A new way of writing with confidence

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Writefull is a light-weight app that provides 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 the Writefull popover, and choose one of its five options.

Writefull has been featured in:


Writefull offers five options:

Language Data

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

Google Books

Contains data from 5+ million books. It currently consists of English books only, but other languages will be added soon.

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.

We are constantly improving Writefull by adding new languages and features. All software updates are free.
Follow us on Twitter to stay up to date.

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  • This is the app I've been waiting for all my life!!! In the video they've shown exactly my workflow of picking the right words through google.

    Author image
    • Nikita Korotaev @nikitakorotaev
    • Building technologies at Glocal Partners
  • This tool is absolutely amazing. The benefits for students are limitless. Also visually appealing and easy to navigate.

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    • Brandy Judkins @brandycjudkins
    • PhD student in Education at UN-Lincoln
  • .@Writefullapp is my new favorite thing. http://writefullapp.com #edtech http://vimeo.com/83931660

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    • jake duncan @jkdncn
    • Bilingual educator
  • New @Writefullapp is classic web-magic. It could be a great resource for ESL students and novice writers alike

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    • Jordan Grant @historyshack
    • PhD candidate at American University.
  • .@Writefullapp an App with a smooth integration to word that helps you to write better. So far pretty useful!

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    • Robin Dechant @robindchnt
    • Associate Consultant at Pearlscout.
  • For a few years, I've been looking for a tool like this. There's a significant gap in writing improvement/feedback.

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    • Dave Mulder @muldster
    • Head of Product for @conferencesio.
  • The 'word in context' feature is insane

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    • Michelle McCormack @lovethecool
    • LoveTheCool Digital, Owner.
  • Love the idea. As a blogger who writes in english this can be really good for me. Downloading now.

    Author image
    • Yair Kivaiko @kobaiko
    • Owner, Kobaiko.com


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 two databases used are Google Books 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.
Yes, you can use Writefull on up to two computers.
Just click here and follow the steps.
You can access Writefull Preferences by clicking on the Writefull icon (on the status bar if you're using a Mac, or in the tray bar if you're using a Windows PC). The Writefull icon looks like a small black text balloon.
1. Click Start.
2. Type “system” in the Search Programs and Files field, and then click System in the Programs list.
Note: Do not press ENTER after typing "system", instead wait until the search has generated its list.
3. The operating system appears as follows:
- For a 64-bit version operating system: “64-bit Operating System” appears as the System type under System.
- For a 32-bit version operating system: “32-bit Operating System” appears as the System type under System.
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.
Google Books provides a series of databases, each containing books in a specific language. Each database is absolutely massive, taking a great deal of space in the server. That’s why we only have the English one at this point, but we do plan to add more languages in the future. You can tell us which language(s) you want support for here.
New student accounts are manually checked by us to make sure that the email address belongs to an educational institution. Most of the time this check doesn't take more than a few minutes. If you signed up more than 24 hours ago, please write us here indicating the email address you used for signup.
You can open Writefull by pressing and holding Ctrl and clicking on the Writefull icon and then selecting open. Find more info from Apple here.
Yes – always welcome! Tell us what you think here.