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Writefull is an app that gives feedback on your writing by checking your text against databases of correct language.

You can use Writefull in any writing tool - from MS Word to Gmail. Simply select a piece of text, hit the short-key to activate Writefull, and choose one of its many options:

Check how often your selected text is found in the language database, and see how it is used in context.

Hear how your text is pronounced.

Translate from any language into English.

Enter two chunks and compare how often they are found in the database. Also see how they are used in context.

Find out which words are used most often in a gap in your selected text.

See which synonyms of a given word are used most often in your selected text.

Writefull has been featured in:

Writefull has been awarded:

Catalyst Grant 2016 - Digital Science

Language Data

Writefull uses Natural Language Processing and the language databases below to give you feedback.

Google Books

Contains data from 5+ million books. It currently consists of English books only.


Google Web

Contains data from Web pages that Google has indexed over the years, covering 36 languages.


Google Scholar

Contains data from academic papers and reports in a wide range of disciplines, covering 9 languages.

Google News

Contains data from over 4500 news sources worldwide, covering 35 languages.



Yes, it’s free.

Our priority is building the product that fits your needs.

What people are saying about Writefull


This section addresses a number of common questions. If your question is not here just drop us a line.
Writefull uses large language databases to search for the frequency of chunks of text. The databases used are Google Books, Google Scholar, Google News, and Google Web. All you need to do is select a chunk of text (in whatever writing tool you use), activate the Writefull popover, and request the information you need. Check out the tutorial for more information.
Yes you do, as Writefull uses a database which is stored on the Internet.
At Writefull we take your privacy seriously. Writefull will cache some searches, but these won’t be associated to your username. They will only be used for speeding up future searches.
The way Google Books organises its data is in ‘groups’ of tokens, ranging from 1 to 5 tokens each. So when searching the database for a chunk, you cannot search for more than 5 tokens at once. Note that tokens also include symbols such as the apostrophe (‘) and hyphen (-); so don’t count words only! A selection of ‘this isn’t your well-being’ contains 5 words, but 8 tokens. This is a limitation of Google Books, and is exactly why we also provide Web searches.
If you're using the desktop version:
you can change the keyboard shortcuts in Preferences. Click the more_vert option to access Preferences.
If you're using the Chrome extension:
enter chrome://extensions  in your Chrome's address bar to open up the extensions page. Scroll down to the bottom and click Keyboard Shortcuts.
Yes – always welcome! Tell us what you think here.