Minimalistic password filler add-on for Keepass. It uses Web Extensions and KeepassHTTP. The plugin is only meant to fill in credentials, not to edit the Keepass database in any way. (add or update credentials)

What is Keywi?
Keywi is a Firefox add-on that provides a minimalistic and secure way to fill in credentials from Keepass into login forms. It uses KeepassHTTP and the Firefox web extensions API, ensuring compatibility with the latest Firefox versions. Keywi is designed for simplicity, with a focus on minimal libraries and no editing of the Keepass database. It offers convenient usage through a context menu and keyboard shortcuts, making it easy to fill in usernames and passwords with just a few clicks.
By: LEDfan
Users: 13 ▲ 1
Rating: 4.33 (12)
Version: 1.3.3resigned1 (Last updated: 2024-04-25)
Creation date: 2017-02-17
Weekly download count: 1
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
  • http://localhost/
  • <all_urls>
  • contextMenus
  • tabs
  • storage
  • notifications
  • webRequest
  • webRequestBlocking
Size: 181.32K
Stats date:

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Not available on Edge
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  • Minimalistic password integration in Firefox
  • Fill username and password in login form, using context menu and keyboard shortcut
  • Use [Keepass HTTP](
  • No editing of the Keepass database
  • Using the Firefox web extensions API, to support Electrolysis
  • Support Keepass, later maybe [Pass](
  • Minimal amount of libraries (aes, cryptoheplers and reqwest)
  • no automatic form filling, i.e. only when the user wants to. This is very important because:
    • crendetials can be filled in the sign up form
    • credentials can be filled in a hidden form
    • you don't want to log in on this website now
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User reviews


by Sergey R., 2018-11-17
View all user reviews
Risk impact

Keywi is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Keywi if you trust the publisher.

Risk likelihood

Keywi is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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