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Essay Editing Services

Expert Academic Proofreading

Exceptional Essays, Excellent Results

Throughout your university studies, you may have to write a lot of essays. Each one is a chance to showcase your ideas and the research you have done. But to ensure you get the marks you deserve, your writing needs to be clear, concise, and error free. And that’s where our essay proofreading service comes in.

Expert Editor

Expert Essay Proofreaders

Our team of professional proofreaders has helped thousands of students refine their academic writing. And with our extensive editing experience, we are perfectly equipped to help you prepare a first-rate essay.

Make sure your writing is the best it can be with our expert English proofreading and editing

Essay Proofreading And Editing

When you submit a document, one of our expert essay proofreaders will:

• Ensure punctuation, spelling, and grammar are correct
• Refine sentence structure to ensure your writing reads smoothly
• Highlight any inconsistencies or unclear text
• Check that your tone and vocabulary are suitably academic
• Flag issues with citations or references

After this, we will provide two copies of your edited essay:

• A ‘Clean’ copy in the original file format
• An MS Word Track Changes  copy

You can use this Track Changes copy to review every edit we make, so you are always in control of the final draft. And if your  chosen file type  doesn’t support Track Changes, we will adapt our process to match.

If you are writing an essay for university, we will always follow  academic plagiarism guidelines  when we proofread your document. This protects your academic integrity, allowing you to submit your work with confidence.

However, we also offer a full  editing service  for non-student documents, so we may still be able to help if you have an essay that needs more work. Just let us know your situation and we’ll see what we can do.

Lightning-Fast Delivery

You’ll never miss a deadline with our speedy services: our Next-Day Guarantee means we’ll return any document up to 10,000 words long within 24 hours

And if you need a faster turnaround, simply select your desired delivery speed when you submit your document. We have three options:

We can also meet custom deadlines! Just let us know what you need.

*For documents up to 8,000 words 

**For documents up to 3,000 words

How We Work With Students

You’ll never miss a deadline with our speedy services: our Next-Day Guarantee means we’ll return any document up to 8,000 words long within 24 hours.

We can also meet custom deadlines! Just let us know what you need. 

* For documents up to 8,000 words

** For documents up to 3,000 words

Great Pricing

Our pricing is affordable and transparent – the cost is based on the exact length of your document. Check out our pricing calculator for an instant quote, and rest assured that you’ll receive the highest quality proofreading and editing for the best value on the market.

Referencing Expertise

Our editors are experts in various referencing styles, including but not limited to APA, Harvard, MLA, Chicago, and IEEE. No matter what style you’re using, they’ll make sure your citations and references are correct and let you know if any information is missing. Visit our referencing page to learn more.

Subject-Matter Experts

Our team includes over 750 professional editors with expertise in thousands of topics. This means we can always match you with the best proofreader for your writing, whether you need help with a dissertation in medicine or an essay on economics.

24-Hour Support

Our support team is available around the clock to address any concerns or questions you have about your order. This means you’ll never be left in the dark, no matter where you are or what time it is.

Instant Quote

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Looking For A Proofreading Partner?

Let’s talk about the support you need. 

Free online proofreading and essay editor

A reliable proofreading tool and essay editor for any writer or student, a complete environment.

Typely is more than just a proofreading tool. It's a complete writing environment.

Thousands of checks

More than a thousand checks are being performed and we've only scratched the surface.

Inspired by the greatest writers

Gain access to humanity’s collective understanding about the craft of writing.

A proofreading tool that does not bark at every tree

Typely is precise. Existing tools for proofreading raise so many false alarms that their advice cannot be trusted. Instead, the writer must carefully consider whether to accept or reject each change.

We aim for a tool so precise that it becomes possible to unquestioningly adopt its recommendations and still come out ahead — with stronger, tighter prose. Better to be quiet and authoritative than loud and unreliable.

Relax, focus, write your next masterpiece...

Writing presumes more than simply laying out words on a paper. Typely helps you get in the mood and keeps you focused, immersed and ready to write your story.

Whether you need a distraction-free environment, some chill relaxing sounds or a pomodoro timer to manage your time we got you covered.

Got questions? We have answers.

No. Typely is completely free and we plan on keeping it that way. We are considering some advanced features however that might be available under a premium plan.

The only limit we have applied thus far is on the number of characters you can submit and that is being set at a maximum of 50,000.

In theory yes but that will require a lot of work and professionals dedicated for this job. We are considering a way of letting the community participate somehow.

Typely does not do grammar checking because it's hard and almost impossible to get right. The aim for Typely is to be precise and reliable.

11 Best Editing and Proofreading Services in 2024

#scribendiinc

Written by  Scribendi

As a writer, it's not always easy to find typos or spelling errors in your own work. 

However, online editing services make error-free writing easy so you can focus on writing, not editing.

Below, we've listed the top 11 best editing and proofreading services for 2024 while considering years of experience, turnaround times, pricing, and quality. 

What Is the Difference Between Editing and Proofreading? 

Many people will hire a proofreader when they are really looking for an editor, and vice versa. However, editing and proofreading have different functions, and you will need one or the other depending on the requirements of your document. 

With editing services , your editor will: 

• Focus on improving the flow of language
• Check the overall readability
• Verify the accuracy of language
• Ensure the content follows a logical order
• Make sure your transitions are clear
• Verify that every paragraph is relevant to the overall argument
• Determine whether the tone fits the audience
• Ensure gendered language is used properly

With proofreading services , your proofreader will: 

• Check for grammatical errors
• Point out mechanical mistakes, such as misspelled words
• Correct missing or incorrect punctuation
• Verify correct and consistent capitalization 
• Fix sentence structure errors, such as run-on sentences or fragments

If you want in-depth feedback and revisions to improve your writing, editing is what you need.

If you need a final check to ensure your document is error free, proofreading is what you need.

What to Look for When Hiring an Editing or Proofreading Service

When hiring an editing or proofreading service, there are a few things to keep in mind!

Editor Qualifications

Experience and education play a large role in selecting the right editor or proofreader. You want to work with someone who is qualified, who has expertise doing the type of editing you're looking for, and who has had satisfied customers in the past. 

Check each service's ratings on review sites to ensure their customer satisfaction levels match what the service promises.

An editing or proofreading sample can give you an excellent idea of what to expect from your editor. Samples may be free or paid and allow you to evaluate the quality of an editing or proofreading service.

Communication

Good communication is also crucial. Will you be able to ask your editor questions during or after the process? 

The goal of any editor is to help you develop your best work, so clear communication throughout the process is key.

You might be wondering what is a fair price to pay for proofreading. Professional proofreading rates vary, and so does quality. To get the best-value proofreading, you will need to find a reputable proofreading company.

Read More: How Much Does Proofreading Cost?

11 Best Editing and Proofreading Services for 2024

1. scribendi.

Since 1997, Scribendi has been providing high-quality editing and proofreading services to students, academics, and authors from around the world. 

An ISO-certified industry leader in editing and proofreading services, Scribendi has a global team of hand-picked editors, many of whom hold master's degrees and PhDs. The onboarding process for new editors at Scribendi is intentionally rigorous so that only the highest-quality editors are selected—around 5% of all applicants. 

With Scribendi, you can expect affordable services and turnarounds in as little as 2 hours. The type of content Scribendi edits ranges from websites and blogs to essays and personal documents, with many other document types in between. Scribendi offers extensive feedback to its clients to help them develop their best work.

On the Scribendi website, you can also find case studies and reviews , along with a breakdown of how Scribendi customizes each service to specific clients. 

Fastest turnaround time for 1,000 words: 2 hours

Number of years in business: 25+

Free sample: Yes, 1,000-word free sample for editing or proofreading

ISO certified: Yes

Account deposit feature: Yes

Competitive Advantages

When it comes to fast turnaround times, affordable services, and professional, high-quality revisions, Scribendi has a competitive advantage over many other editing services.

With 25+ years' experience, their 480+ editors are available to proofread academic essays, novels, business materials, personal documents, or student essays 24/7, 365 days a year. 

Polish Your Writing with Our Book Proofreading Service

2. proof-reading-service.com.

Proof-Reading-Service.com offers high-quality English editing and proofreading services exclusively for professionals in science and academia. 

An England-based company, the proofreaders at Proof-Reading-Service.com are native English speakers with experience in various academic disciplines. Each proofreader on their team is personally selected and holds at least a master's degree, so their academic clients are fully supported.

The types of editing they help with range from journal and scientific editing to PhD thesis and manuscript editing. Since their specialty is in science and academia, this service would be most helpful to professors, lecturers, post-doctoral researchers, and research students.

Proof-Reading-Service.com offers a flat rate per 1,000 words. This rate does not change based on the type of content, so you always know how much proofreading will cost you.  

Fastest turnaround time for 1,000 words: No instant quote

Number of years in business: 16

Free sample: No

ISO certified: No

An affordable option for academics and scientists, Proof-Reading-Services.com offers highly educated editors with expertise in many fields. 

Fiverr is a marketplace for digital services that allows buyers and sellers to work with each other through Fiverr's transactional platform. 

Through Fiverr, many freelance proofreaders offer their services at different rates and turnaround times. Within the platform, editing services can be filtered by budget, delivery time, and content type.

You can also sift through the profiles of freelance editors, read their reviews, and learn about their history with editing and with Fiverr itself. Each editor offers different rates depending on their experience and turnaround time.

Fastest turnaround time for 1,000 words: N/A

Number of years in business: 12

Account deposit feature: Yes (for Fiverr Business users)

With Fiverr, you have the flexibility to choose a specific editor, and many niche options are available. The process is simple and easy, and each transaction is made through the Fiverr platform.

4. True Editors

True Editors offers professional editing services for academics, business owners, authors, and job applicants.

Their editing team is composed of engineers, research scholars, postgraduates, physicians, and even journal peer reviewers. Each editor on the True Editors team receives specialized training in academic editing and must take a language proficiency exam to qualify for their editing team.

To use True Editors' services, you can upload a file or enter your word count and choose your turnaround time. Their pricing varies by word count, and their website provides editing samples so you can get a feel for their editing style. If you're ever unhappy with their work, they also offer a free revision of your document.   

Fastest turnaround time for 1,000 words: 4 hours

Number of years in business: 10+

Free sample: 300 words or less for editing

True Editors has editors with specific subject-matter expertise.

5. ProofreadingPal

Operating out of Iowa City, IA, ProofreadingPal is an editing service that utilizes a two-proofreader model. This means that two proofreaders work on every piece of content ordered through their service.

ProofreadingPal offers editing services for students, professionals, and authors, including academic editing for writing styles such as APA, Chicago, MLA, or CSE. Their services are available 24/7, 365 days per year, with turnaround times ranging from 30 minutes to 7 days.

What also makes this service unique is that they accept orders both online and by phone, and their customer service team is available every day from 8 a.m. to 10 p.m. CT. They offer free sample edits of up to 400 words, and they don't have a minimum word requirement if you'd like to submit a small document for review.  

Fastest turnaround time for 1,000 words: 1.5 hours

Free sample: 400 words or less for editing

With ProofreadingPal, you get two proofreaders reviewing every submission instead of one and quick turnaround times. 

6. PaperTrue

PaperTrue started in 2014 as an editing service but has since expanded its services to include essay writing, formatting, and plagiarism checking for students, as well as cover design, typesetting, and online distribution for authors.

Operating with the belief that language shouldn't be a barrier to success, PaperTrue helps a global audience of businesses, authors, and researchers edit their writing so they're able to reach their full potential. To date, they've served over 52,000 clients and have 4.5+ stars on review sites, including Google Reviews and Sitejabber. 

PaperTrue also offers a three-step quality checking process and hand-picked, qualified editors for each document reviewed. With locations in the US, Singapore, the UK, and India, they offer round-the-clock editing services with a turnaround time of 12 hours for documents up to 6,000 words. 

Fastest turnaround time for 1,000 words: 12 hours

Number of years in business: 8

With PaperTrue, you get not only editing and proofreading services but publication services as well, including typesetting, cover design, and online distribution.

Proofed is an editing and formatting service that helps students, businesses, authors, academics, researchers, and other professionals communicate effectively. Its mission is to provide the highest quality proofreading and editing services in the world.

With a diverse group of editors, the team at Proofed offers extensive knowledge on nearly every subject. All editors have undergone Proofreading Academy training, a course developed by Proofed, to ensure the highest standard of editing possible. 

Proofed offers speedy delivery (up to 10,000 edited words within 24 hours), with express and rapid turnaround times that range from 2 to 12 hours for select word counts. Their system supports over 15 different document formats, which makes the submission process easy, and their team offers 24-hour support.

Fastest turnaround time for 1,000 words: 2 hours  

Free sample: 500 words for proofreading only

ISO certified: Yes 

Account deposit feature: No

Proofed offers proofreading expertise in many fields, as well as formatting services.

Enago provides 24/7 editing services for the global research community. More than just a team of editors, Enago works with researchers in over 125 countries to help them publish their work in international journals. 

With end-to-end publication support services, such as pre-submission peer review, journal selection, and post-submission review, Enago also offers competitive quality assurance with unlimited edits and a money-back guarantee for manuscripts that are rejected due to language issues.  

Enago's editors all hold a PhD or master's degree, and they have an average of 19.4 years of academic editing experience. Each manuscript is assigned to an editor with similar subject area expertise, assuring high-level accuracy. 

Like ProofreadingPal, Enago also operates on a two-editor model, where all manuscripts are reviewed by no fewer than two native English-speaking editors. 

Fastest turnaround time for 1,000 words: 24 hours

Number of years in business: 17

Enago offers highly educated editors in the fields of science, academia, and business, along with help and support during the academic publication process. 

American Journal Experts (AJE) offers in-depth scientific and academic editing services, in addition to translation and manuscript formatting services, to help researchers publish their best work. Its mission is to improve the exchange of discoveries in the international research community by identifying opportunities to improve the research, publishing, and discovery cycle.  

In addition to providing quality editing services, their team of PhDs supports researchers when they have questions regarding manuscript submission and publishing. AJE also matches each manuscript with an editor who is a subject-matter expert. 

Prices and turnaround times, as well as more in-depth information regarding the details of each type of editing offered (standard, advanced, or premium), can be found on the AJE website. 

Fastest turnaround time for 1,000 words: 48 hours  

Number of years in business: 18

Free sample: Editing of up to 500 words for an abstract

AJE's editors have subject-matter expertise, and the service also offers translation and formatting services. 

10. Editage

Editage partners with researchers to offer advanced and premium editing as well as publication support and translation services. Their goal is to assure the publication success of hopeful researchers, scholars, and students. 

Each document submitted to Editage is assigned to an editor who best matches the content subject matter. Editage even offers the option to select your expert, price, deadline, and style, so researchers have full control of the service they receive. Researchers can also collaborate with their editing expert to ensure the paper follows their vision. 

Editage also has local language support, turnaround times of as little as eight hours, and a two-step revision process for quality. Their team of over 2,000 native English editors has publication expertise and covers over 1,000 subjects.  

Fastest turnaround time for 1,000 words: 8 hours

Number of years in business: 20

At Editage, two editors review every submission. They also offer client-to-editor Q&A interaction and translation services.

LetPub offers editorial services for researchers in the scholarly publishing community. In addition to editing, LetPub offers scientific illustration services, plain language summaries, and graphic and video abstracts. 

The LetPub team is composed of experts and senior editors who come from a wide range of disciplines, each one a native English speaker with experience editing both scientific and technical documents. The types of editing included in LetPub's services range from grant and language editing to response letter and scientific editing. 

Because many of LetPub's editors and staff have research backgrounds, they're familiar with the level of effort it takes to write a paper for publication, and they will reedit a paper at no cost if it is rejected for language reasons.

Fastest turnaround time for 1,000 words: 48 hours

ISO certified: Yes (for translation services)

Competitive Advantages 

LetPub offers expertise in science for scientists and academics, as well as translation and formatting services. 

Perfect Your Writing with High-Quality Academic Proofreading

There's a lot to consider when choosing an editing service. Save our table as a quick reference for your next document.

As long as you understand the important factors that go into choosing a great editing service, like experience, customer satisfaction, and quality, you'll be well equipped to choose the right one for you.

About the Author

Scribendi's in-house editors work with writers from all over the globe to perfect their writing. They know that no piece of writing is complete without a professional edit, and they love to see a good piece of writing turn into a great one after the editing process. Scribendi's in-house editors are unrivaled in both experience and education, having collectively edited millions of words and obtained nearly 20 degrees collectively. They love consuming caffeinated beverages, reading books of various genres, and relaxing in quiet, dimly lit spaces.

Achieve Perfect Writing with High-Quality Proofreading

Try our essay proofreading service.

Have You Read?

"The Complete Beginner's Guide to Academic Writing"

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Value Proofreading: How Much Does Proofreading Cost in 2024?

Why Hiring a Copy Editor Is a Good Idea

Upload your file(s) so we can calculate your word count, or enter your word count manually.

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English is not my first language. I need English editing and proofreading so that I sound like a native speaker.

I need to have my journal article, dissertation, or term paper edited and proofread, or I need help with an admissions essay or proposal.

I have a novel, manuscript, play, or ebook. I need editing, copy editing, proofreading, a critique of my work, or a query package.

I need editing and proofreading for my white papers, reports, manuals, press releases, marketing materials, and other business documents.

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I want to sound professional and to get hired. I have a resume, letter, email, or personal document that I need to have edited and proofread.

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Slick Write

Check your grammar in seconds.

Slick Write is a powerful, free application that makes it easy to check your writing for grammar errors, potential stylistic mistakes, and other features of interest. Whether you're a blogger, novelist, SEO professional, or student writing an essay for school, Slick Write can help take your writing to the next level. Curious? See why Slick Write is the best. Try the interactive demo , or check your own document . No software download or installation is required.

Why Slick Write?

The grammar checker is lightning fast

Customizable feedback to suit your style

We do not redistribute your documents

Add impact to reports

Improve your grades

Engage your audience

Inspire confidence

English is a difficult language, so using correct grammar and diverse vocabulary will set you apart from the crowd. Using good sentence structure and wording improves your content's impact and readability while building your readers' trust. Slick Write goes beyond spell checking to teach you the habits of effective writers. How does your writing rate?

Improve your resumé

The job market is competitive. Gain an advantage, impress employers, and land more interviews by demonstrating professionalism and superior communication skills on your resumé.

Get the extensions

Using an extension is the easiest way to submit your work to Slick Write. They are available for Chrome and Firefox .

Bust your writer's block, and create new metaphors by playing the word association game . To begin, type a word or phrase in the box below, and hit enter. To quickly find associations for your own text, highlight a word or phrase in it, and use the toolbox popup.

The associator learns contextual word associations from real literature, so it may return offensive results.

Results for:

I know what I'm doing. Disable these hints.

• Submission Limit There is a limit of 200,000 characters, which is approximately 30,000 words. Anything longer should be submitted in smaller chunks, or it will be automatically trimmed.
• No document It looks like you forgot to enter your document. Paste it in and try again.
• Structure This tab shows sentence structure within the context of the document. Hover over a sentence to see its word count. Select a word or phrase, or click a sentence to get more information.
• Quotes This tab shows your quotations highlighted as Slick Write sees them.

More information »

• Sentence type flow Pieces with good flow will make use of all four sentence types, varying them to keep the reader interested.
• Sentence length flow Sentence length is indirectly related to sentence type, and is a good indicator of flow. Flow can be altered by adding, removing, lengthening, shortening, combining, or splitting sentences. Long sentences will be indicated by a red line on the graph. Sentences that flow poorly with their surroundings will be orange, and the source of the problem can often be found in a nearby sentence.
• Word length flow Word length is a minor contributor to overall flow, but even minor variations are signs of good rhythm.
• Passive Voice Index This is a measure of how frequently the passive voice is used. Consider revising your document if it scores over 100.
• Prepositional Phrase Index This is a measure of how frequently prepositional phrases are used. Consider revising your document if it scores over 100.
• Average sentence length Sentence length is a major contributor to the level of education required to read a body of text.
• Sentence length standard deviation This is a measure of the amount of variation in the length of a text's sentences. In texts that have broad appeal, this tends to fall between 50 and 90% of the average sentence length. You can increase this number by making long sentences longer, and short ones shorter.
• Sentence deviation to length ratio This is a measure of the sentence variety, and a major contributor to flow. Most novels score between 0.5 and 0.9, and popular ones often score near the high end of the range. You can increase this number by making long sentences longer, and short ones shorter.
• Just the stats preset Use this preset when you're only interested in the stats tab. Critique and Flow will be hidden.
• Honesty preset This preset checks for common indicators of deception, either by lying or omission, and is based on the findings of this study . Areas with high concentrations of these indicators should be viewed with skepticism. Note that the presence or absence of these indicators does not guarantee that a statement is true or false, and that the study was done on spoken communications, so it might be more applicable to interviews and speeches. As always, use your brain.
• Doubled words A word used twice in a row may be a typo.
• Commonly confused words This will check for the internet's most frequently confused words and notify you if it looks like you misused one. It is experimental and probably the least reliable feature. Consult a dictionary when necessary.
• Sentences starting with the same word A word should not be used to start more than one sentence in a single paragraph.
• Misplaced conjunctions It is considered poor style to place coordinating conjunctions at either end of a sentence. Placing a subordinating conjunction at the end of a sentence is against the rules.

It is said that one day, passive voice will bring weakness to your prose.

More information » Even more information »

• Overwriting Words like "very" and "really" make sentences wordier and weaken your message. These can be deleted in almost all cases without affecting the meaning of the sentence.
• Abstract words Abstract words lack specificity and overusing them can make even simple concepts difficult to understand. There are times when abstract words are desirable or even necessary; it would be difficult to write about math or programming without mentioning variables or functions, but you should use more specific terms whenever possible.
• Wordy and redundant phrases These phrases make your writing more difficult to understand. In most cases, they can be replaced with one or two words, or even deleted.
• Legalese These antiquated, arcane words and phrases will make your writing look like a contract.
• Double negatives Double negatives are almost always poor style.
• Adverbs They aren't bad in small quantities, but consider revising your document if more than 5.5% of its words are adverbs. Adverbs ending in "-ly" are considered the worst offenders.
• Adjectives They aren't bad in small quantities. A few of the words on this list can also function as other parts of speech. You have been warned.
• Contractions In formal writing, the use of contractions is considered a fault.

The boxer decked his opponent.

• Profanity Profanity should not be used in formal writing outside of direct quotations.

The critic's scathing review hit the nail on the head .

• Similes Similes and metaphors should be used sparingly. This option will detect most common types of similes.
• "Said" replacements Some people think that these substitutes for "said" are weak or obnoxious, especially if overused.

Her dress was long , and it touched the floor.

Her long dress touched the floor.

• Gender-specific pronouns Avoid using gender-specific pronouns in formal writing when the subject's gender is unknown.
• Weasel words Like abstract words, weasel words and phrases lack specificity. At best, they convey uncertainty. At worst, they can be used to "weasel out" of telling the truth in a straightforward manner. When checking a document that is speculative by nature, you might want to disable this detector.
• Third person pronouns According to this study , high concentrations of third person pronouns may indicate deception.
• Bias language These words and phrases often show the author's bias.
• Uncommon words Uncommon words will increase the document's reading difficulty.

Hot peppers burn my mouth, but I eat them anyway .

Since burritos taste good , I like to eat them.

• Sentence fragments A sentence must have at least one noun and one verb. Anything that does not is a fragment, and if it occurs outside of dialog, it should probably be rewritten.
• Long sentences Long sentences tend to be more difficult to read, making them good candidates for trimming or splitting. Alternatively, parallelism may be used to improve their readability, though this will not decrease the ARI score.
• Success with Style: Using Writing Style to Predict the Success of Novels
• Grammar Girl For your obscure writing questions
• Basic Prose and Style Mechanics An excellent, concise resource
• Television Tropes & Idioms Tricks of the trade
• Writing Realistic Injuries An invaluable article for anyone who writes action or horror
• Online Etymology Dictionary Learn the history of English words
• Scribophile Discuss the finer points of writing with other novelists
• Suggestions from the official See Sharp Press blog Learn about the mistakes that will keep your novel from being published.
• Smashwords Easy ebook distribution for indie authors
• Duotrope Find and learn about publishers
• CreateSpace
• Amazon Kindle Direct Publishing
• Creative Writing Prompts and Exercises Spark your creativity
• RhymeZone A popular rhyming dictionary
• Seventh Sanctum Name generators and more
• Apache OpenOffice The best free office software
• Literature & Latte Makers of the popular Scrivener editor

Did you find a bug? Do you want us to add a new feature? We would love to hear about it.

Purdue Online Writing Lab Purdue OWL® College of Liberal Arts

Finding Common Errors

Welcome to the Purdue OWL

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Here are some common proofreading issues that come up for many writers. For grammatical or spelling errors, try underlining or highlighting words that often trip you up. On a sentence level, take note of which errors you make frequently. Also make note of common sentence errors you have such as run-on sentences, comma splices, or sentence fragments—this will help you proofread more efficiently in the future.

• Do not solely rely on your computer's spell-check—it will not get everything!
• Trace a pencil carefully under each line of text to see words individually.
• Be especially careful of words that have tricky letter combinations, like "ei/ie.”
• Take special care of homonyms like your/you're, to/too/two, and there/their/they're, as spell check will not recognize these as errors.

Left-out and doubled words

Read the paper slowly aloud to make sure you haven't missed or repeated any words. Also, try reading your paper one sentence at a time in reverse—this will enable you to focus on the individual sentences.

Sentence Fragments

Sentence fragments are sections of a sentence that are not grammatically whole sentences. For example, “Ate a sandwich” is a sentence fragment because it lacks a subject.

Make sure each sentence has a subject:

• “Looked at the OWL website.” is a sentence fragment without a subject.
• “The students looked at the OWL website.” Adding the subject “students” makes it a complete sentence.

Make sure each sentence has a complete verb.

• “They trying to improve their writing skills.” is an incomplete sentence because “trying” is an incomplete verb.
• “They were trying to improve their writing skills.” In this sentence, “were” is necessary to make “trying” a complete verb.

See that each sentence has an independent clause. Remember that a dependent clause cannot stand on its own. In the following examples, green highlighting indicates dependent clauses while yellow indicates independent clauses.

• “ Which is why the students read all of the handouts carefully .” This is a dependent clause that needs an independent clause. As of right now, it is a sentence fragment.
• “ Students knew they were going to be tested on the handouts, which is why they read all of the handouts carefully .” The first part of the sentence, “Students knew they were going to be tested,” is an independent clause. Pairing it with a dependent clause makes this example a complete sentence.

Run-on Sentences

• Review each sentence to see whether it contains more than one independent clause.
• If there is more than one independent clause, check to make sure the clauses are separated by the appropriate punctuation.
• Sometimes, it is just as effective (or even more so) to simply break the sentence into two separate sentences instead of including punctuation to separate the clauses.
• Run on: “ I have to write a research paper for my class about extreme sports all I know about the subject is that I'm interested in it. ” These are two independent clauses without any punctuation or conjunctions separating the two.
• Edited version: " I have to write a research paper for my class about extreme sports, and all I know about the subject is that I'm interested in it ." The two highlighted portions are independent clauses. They are connected by the appropriate conjunction “and,” and a comma.
• Another edited version: “ I have to write a research paper for my class about extreme sports. All I know about the subject is that I'm interested in it .” In this case, these two independent clauses are separated into individual sentences separated by a period and capitalization.

Comma Splices

• Look closely at sentences that have commas.
• See if the sentence contains two independent clauses. Independent clauses are complete sentences.
• If there are two independent clauses, they should be connected with a comma and a conjunction (and, but, for, or, so, yet, nor). Commas are not needed for some subordinating conjunctions (because, for, since, while, etc.) because these conjunctions are used to combine dependent and independent clauses.
• Another option is to take out the comma and insert a semicolon instead.
• Comma Splice: “ I would like to write my paper about basketball , it's a topic I can talk about at length .” The highlighted portions are independent clauses. A comma alone is not enough to connect them.
• Edited version: “ I would like to write my paper about basketball because it's a topic I can talk about at length .” Here, the yellow highlighted portion is an independent clause while the green highlighted portion is a dependent clause. The subordinating conjunction “because” connects these two clauses.
• Edited version, using a semicolon: “ I would like to write my paper about basketball ; it’s a topic I can talk about at length .” Here, a semicolon connects two similar independent clauses.

Subject/Verb Agreement

• Find the subject of each sentence.
• Find the verb that goes with the subject.
• The subject and verb should match in number, meaning that if the subject is plural, the verb should be as well.
• An easy way to do this is to underline all subjects. Then, circle or highlight the verbs one at a time and see if they match.
• Incorrect subject verb agreement: “ Students at the university level usually is very busy.” Here, the subject “students” is plural, and the verb “is” is singular, so they don’t match.
• Edited version: “ Students at the university level usually are very busy.” “Are” is a plural verb that matches the plural noun, “students.”

Mixed Construction

Read through your sentences carefully to make sure that they do not start with one sentence structure and shift to another. A sentence that does this is called a mixed construction.

• “ Since I have a lot of work to do is why I can't go out tonight .” Both green highlighted sections of the sentence are dependent clauses. Two dependent clauses do not make a complete sentence.
• Edited version: “ Since I have a lot of work to do , I can't go out tonight .” The green highlighted portion is a dependent clause while the yellow is an independent clause. Thus, this example is a complete sentence.

Parallelism

Look through your paper for series of items, usually separated by commas. Also, make sure these items are in parallel form, meaning they all use a similar form.

• Example: “Being a good friend involves listening , to be considerate, and that you know how to have fun.” In this example, “listening” is in present tense, “to be” is in the infinitive form, and “that you know how to have fun” is a sentence fragment. These items in the series do not match up.
• Edited version: “Being a good friend involves listening , being considerate, and having fun.” In this example, “listening,” “being,” and “having” are all in the present continuous (-ing endings) tense. They are in parallel form.

Pronoun Reference/Agreement

• Skim your paper, searching for pronouns.
• Search for the noun that the pronoun replaces.
• If you can't find any nouns, insert one beforehand or change the pronoun to a noun.
• If you can find a noun, be sure it agrees in number and person with your pronoun.
• “ Sam had three waffles for breakfast. He wasn’t hungry again until lunch.” Here, it is clear that Sam is the “he” referred to in the second sentence. Thus, the singular third person pronoun, “he,” matches with Sam.
• “ Teresa and Ariel walked the dog. The dog bit her .” In this case, it is unclear who the dog bit because the pronoun, “her,” could refer to either Teresa or Ariel.
• “ Teresa and Ariel walked the dog. Later, it bit them .” Here, the third person plural pronoun, “them,” matches the nouns that precede it. It’s clear that the dog bit both people.
• “Teresa and Ariel walked the dog. Teresa unhooked the leash, and the dog bit her .” In these sentences, it is assumed that Teresa is the “her” in the second sentence because her name directly precedes the singular pronoun, “her.”

Apostrophes

• Skim your paper, stopping only at those words which end in "s." If the "s" is used to indicate possession, there should be an apostrophe, as in “Mary's book.”
• Look over the contractions, like “you're” for “you are,” “it's” for “it is,” etc. Each of these should include an apostrophe.
• Remember that apostrophes are not used to make words plural. When making a word plural, only an "s" is added, not an apostrophe and an "s."
• “ It’s a good day for a walk.” This sentence is correct because “it’s” can be replaced with “it is.”
• “A bird nests on that tree. See its eggs?” In this case, “its” is a pronoun describing the noun, “bird.” Because it is a pronoun, no apostrophe is needed.
• “Classes are cancelled today” is a correct sentence whereas “Class’s are cancelled today” is incorrect because the plural form of class simply adds an “-es” to the end of the word.
• “ Sandra’s markers don’t work.” Here, Sandra needs an apostrophe because the noun is a possessive one. The apostrophe tells the reader that Sandra owns the markers.

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Essay Checker: Free Online Paper Corrector

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