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Write with integrity.

Ensure your work is original with Outwrite's plagiarism checker

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How it works

Upload a document

You can check your work in our web app, Word add-in, or Google Docs add-on

Run a check

Click on the plagiarism check button on the left-hand side of the Outwrite Editor

Check the similarity

See how your work compares against millions of other documents online

Frequently asked questions

What is plagiarism?

The Oxford Dictionary defines plagiarism as: "the practice of taking someone else's work or ideas and passing them off as one's own." This includes copying someone else word-for-word without quotation marks, and citing a source incorrectly (or not at all).

How can I avoid plagiarism?

Whenever you use someone else's ideas, make sure you acknowledge them correctly in-text and in your reference list. If you're quoting the author directly, use quotation marks. If you're paraphrasing an author, make sure to write it in your own words and provide the relevant reference details. You can check if you've plagiarized accidentally by running your document through Outwrite's plagiarism checker.

Is the plagiarism checker free to use?

Outwrite's essential features, like grammar and spell checking, are available to all users for free. You'll need to upgrade to our Pro plan if you would like to use our plagiarism checker.

How many plagiarism checks do I get?

Pro users can access up to 50 plagiarism checks per month. If you would like more checks, contact us at help@outwrite.com

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Outwrite is empowering people to become better writers, all over the world

To be honest, I don't know how I managed before I used Outwrite

Deb Carr

Publisher, Sydney Chic

Outwrite is by far the best proofreading add-on I've found

Jacob S

Teacher

Unlike other expensive grammar programs, it's so easy to get in there and make multiple quick fixes

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Author

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