Thesis Checker: Free Online Editor

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Why choose ProWritingAid?

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In-depth analysis & actionable feedback

Tailored analytical tools assess every aspect of your writing in seconds and teach you how to improve.

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Works with your favorite writing app

ProWritingAid works wherever you do, fitting neatly into any writing app like Word, Google Docs, or Scrivener.

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Your writing is safe with ProWritingAid

Your writing is sacred, so we use bank-level security to keep it safe and never use your text to train our algorithms.

Works in all your favorite writing apps

Access all ProWritingAid's features directly in your writing app of choice.

Why should you use an online thesis checker?

You’ve already done countless hours of research to write your thesis. You don’t want to spend countless hours correcting it, too.

You’ll sound professional

Wow your supervisors with how grammatically sound your writing is, how clear it is, and how well it flows.

You’ll save time

You’ll become a better writer.

Every time you run your thesis through ProWritingAid, you’ll see what your common mistakes are and how to fix them.

Professors and students love using ProWritingAid

Great tool for academic work. Easy to use and the reports and summary evaluation of your documents in several categories is very useful. So much more than spelling and grammar!

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Debra Callender

If you’re an English teacher, you need to take a look at this tool—it reinforces what you’re teaching, highlights strengths and weaknesses, and makes it easier to personalize instruction.

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Jennifer Gonzales

Only reason I managed to get an A in all my freshmen composition classes.

ProWritingAid customer

Chris Layton

Your first line of defense before submission

Save time on editing so you can focus on your research. ProWritingAid’s thesis checker helps you quickly and easily improve your grammar and style.

Academic writing made easier

Stop stressing over your first draft. Now you can improve any sentence in just a few clicks. Shorten sentences , correct informal language, expand your sentence variety, and add transitions.

Catch every easy-to-miss mistake

Typos and grammar errors can slip into anyone’s work. ProWritingAid’s AI-powered thesis checker can catch and fix even the trickiest issues so your ideas can shine.

In-depth analysis whenever you need it

Sure, that email might only need a cursory check. But a 100-page thesis needs more comprehensive reviews. Use our structure analysis , complex paragraph alerts , and transitions report to improve your work.

Write clearly, concisely, and accurately

Strike the right balance between clarity and academic rigor with analytical language goals and power verb suggestions . You can ensure your work is professional without sacrificing readability.

Get access to a library of expert resources

With ProWritingAid, you get more than just an app—you get the tools to become a better writer. Our in-app learning tool comes packed with helpful explanations for every suggestion.

Want more? Join our community or read our blog for advice from our resident experts on how to become a better writer.

Writing Coaches

ProWritingAid’s Thesis Checker FAQs

How do i use the online thesis checker.

Sign up for free, upload your thesis, and run any of ProWritingAid’s 25+ reports. You’ll see a number of suggestions that you can either accept or reject.

Does the essay checker work with British English and American English?

The thesis checker works with British English, American English, Australian English, and Canadian English. Just choose the one you’d like to use, and ProWritingAid will tailor its suggestions to match.

Is using a thesis checker cheating?

Not at all. The thesis checker won’t ever write the thesis for you. It will only point out possible edits and advise you on changes you need to make. You have full autonomy and can decide which changes to accept.

Is there a student discount?

Students who have an eligible student email address can get 20% off ProWritingAid Premium. Email [email protected] from your student email address to access your discount.

Can ProWritingAid check my thesis for free?

Absolutely. ProWritingAid offers a free membership to everyone, always, and you can edit up to 500 words at a time. If you need to edit more work, you can upgrade to Premium at any time.

Does ProWritingAid have a plagiarism checker?

Yes! ProWritingAid’s plagiarism checker will check your work against over a billion web-pages, published works, and academic papers, so you can be sure of its originality. Find out more about pricing for plagiarism checks here .

Does my ProWritingAid paid license work on this page?

This page is for demonstration only, so it doesn’t recognize Premium or Premium Pro licenses, and limits usage of the tool here. To access this feature, as well as other features available with your paid license, please log in and use the Web Editor or any of our integrations .

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Plagiarism Checker by Grammarly

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Step 3: Review the results for instances of potential plagiarism, plus additional writing issues.

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“ I absolutely love Grammarly when writing. I especially love revising even the most mundane of lines that hit a plagiarism result, because seeing 0% plagiarism is what I live for. ”

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“ Essentially, Grammarly offers the same features as a thesaurus, a quality grammar-checking program, and a plagiarism checker. While you can purchase each of these tools separately elsewhere, Grammarly combines them, which is actually quite nice. ”

Frequently Asked Questions

What is plagiarism, what are the different types of plagiarism, how can i avoid plagiarism in my written work, how do you check for plagiarism in written work, how can i accurately cite my sources, how does grammarly’s plagiarism checker work, is plagiarism detection the same as ai detection, plagiarism and citations 101, more academic writing support from grammarly, instantly paraphrase, ace every essay, cite in seconds, detect ai content, make your writing best-in-class.

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Trusted Online Plagiarism Checker For Students and Academics

Avoid accidental plagiarism in your academic text with Paperpal’s accurate online plagiarism checker, in partnership with Turnitin.

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  • Industry-leading plagiarism prevention check Avoid accidental or self-plagiarism with Paperpal’s free plagiarism checker, in partnership with Turnitin. Get a similarity score, side-by-side comparisons, and color-coded results with the full report.
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  • Access to our all-in-one academic writing toolkit Unlock your academic writing potential with Paperpal's toolkit. Access generative AI writing, paraphrasing, text shortening, and more to quickly address issues flagged by our plagiarism software.

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Scan up to 7,000 words (~25 pages) and identify overall similarity range with top sources of similarity at no cost.

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Write in your own voice

Cite any overlooked sources

Maintain Academic Integrity with the Best Plagiarism Checker Tool

Achieve writing excellence with our secure, reliable online plagiarism checker

Students

Paperpal plagiarism checker helps you produce high-quality, original writing by identifying missed citations or similar phrases. This minimizes the risk of academic penalties, such as suspension for accidental plagiarism.

Educators

Use our plagiarism checker to maintain high academic standards and promote integrity in the classroom. It also helps to streamline grading, identify potential plagiarism, and guide students on proper citation practices.

Researchers

Rely on our trusted plagiarism checker software to avoid desk rejections due to prevent accidental and self-plagiarism. It is an essential step to help you ensure authenticity, maintain credibility, and protect your reputation.

Paperpal Offers More Than An Online Plagiarism Checker

Paperpal Prime provides comprehensive language correction, paraphrasing, and generative AI writing capabilities to transform your academic writing.

Use Rewrite to paraphrase content and add variety, achieve an academic tone, and reduce length to achieve clear, concise, impactful academic writing.

Leverage in-depth grammar checks that quickly identify and correct spelling, punctuation, and complex language and grammar errors in minutes.

Access our suite of secure generative AI features designed to help you overcome writer’s block and deliver high-quality, original content, every time.

Frequently Asked Questions

How can i access paperpal’s online plagiarism checker, how many pages or words can i check per month, will my unused quota transfer to next month, if i check the same document twice, will it deduct from my monthly 7,000 words the second time, what software is being used to detect similarity, what database is my writing checked against, how do i interpret the similarity score, why did i get a high similarity score after polishing language with ai-generated text on paperpal, can paperpal ensure that my content is not flagged by plagiarism or ai detection tools, my paper is completely original. why is my similarity score so high, what types of documents can i upload, are my documents stored and added to turnitin’s database, understand plagiarism and ethical writing.

Want to master the basics of ethical academic writing and avoid accidental plagiarism when using AI tools? Check out these curated articles on plagiarism and ethical academic writing guidelines!

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Addressing Your Queries on AI Ethics, Plagiarism, and AI Detection

The integration of artificial intelligence (AI) tools into the academic writing process has sparked numerous debates...

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Top 5 ethical considerations in research

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