fd0

by fd0 · Privacy & Security

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Fill, generate, save, and update fd0 logins and one-time passwords on HTTPS sites.

Users

−2 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#262K

#218K among extensions

Version

0.1.0

updated 20 Aug 2026

Users

monthly, 2 months

Latest, 15 Oct 2026: 4 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months

Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About fd0

The fd0 browser extension brings the encrypted fd0 vault to Chrome. - Fill usernames and passwords after choosing a matching login. - Generate random, memorable, or PIN passwords. - Save a new login or update an existing login explicitly. - Add an otpauth:// setup link and fill a fresh one-time password. - Keep credentials in the local fd0 vault instead of Chrome storage. The fd0 browser extension never submits a form. Passwords and one-time passwords are requested only after an explicit action and only for the saved HTTPS origin. The extension communicates with the fd0 Desktop app or CLI through a narrow native messaging host on the same device. fd0 is open source and supports hosted or self-hosted ciphertext-only sync. Install fd0 Desktop or the fd0 CLI before using the extension. Source and documentation: https://github.com/k2b-dev/fd0.sh/tree/main/browser