SHSelfHostIndex
FI

Firefox SyncStorage

Synchronize tabs, passwords, history etc

File Sync & Storage ★ 1.8k stars Easy setup MPL-2.0

Synchronize tabs, passwords, history etc. between your Firefox instances.

Official siteSource code

Strengths

  • Released under the MPL-2.0 license
  • Easy to set up — beginner-friendly
  • Active community (1.8k GitHub stars)
  • Written in Rust

Is Firefox SyncStorage secure?

OSV.dev has no published security advisories for Firefox SyncStorage's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Health badge

Maintain Firefox SyncStorage? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 84 · excellent

Markdown
[![SelfHostIndex health score for Firefox SyncStorage](https://selfhostindex.com/badge/firefox-syncstorage.svg)](https://selfhostindex.com/app/firefox-syncstorage/)
HTML
<a href="https://selfhostindex.com/app/firefox-syncstorage/"><img src="https://selfhostindex.com/badge/firefox-syncstorage.svg" alt="SelfHostIndex health score for Firefox SyncStorage"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/firefox-syncstorage.svg
   :alt: SelfHostIndex health score for Firefox SyncStorage
   :target: https://selfhostindex.com/app/firefox-syncstorage/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

Similar file sync & storage apps