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Who Wrote That?

4.4(

5 ratings

)
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Overview

Explore authorship and revision information visually and directly in Wikipedia articles. Powered by WikiWho.

Who Wrote That? (WWT) is a browser extension, which displays authorship information directly on Wikipedia articles. When you hover over content, the tool highlights all content by the same author. When you click on content, the tool identifies the author of the revision, along with revision details. Overall, WWT allows users to discover the source and background of an edit, without digging through revision history.

Details

  • Version
    0.23.5.0
  • Updated
    July 9, 2026
  • Offered by
    Wikimedia Foundation, Community Tech Team
  • Size
    162KiB
  • Languages
    47 languages
  • Developer
    Email
    tools.wikiwho@tools.wmflabs.org
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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