Sync any browser with any other

Every ask, newest first

Each line is an AI paraphrase of what the writer wanted. The link goes to their own words on Hacker News.

Reader’s note. Extension migration is a frequent sub-ask.

1. Apr 2025Needs a way to combine bookmarks from many old Firefox profiles. Read it: a comment in “Firefox tab groups are here”
2. Sep 2024Is keen on a tool syncing bookmarks, history and tabs across browsers. Read it: a comment in “Show HN: Unsearch – Sync bookmarks, history, and tabs across browsers”
3. Dec 2023Wants an extension making Firefox Sync work in Chromium browsers, including history and shared settings. Read it: a comment in “Firefox Sync actually works”
4. Dec 2023Wants a tool migrating browser extensions by matching names across browsers, easing a switch. Read it: a comment in “The 'arms race' between YouTube and ad blockers”
5. Apr 2023Wants an auto-migration framework that packs browser settings into a neutral file and moves them to another browser. Read it: a comment in “We're building a browser when it's supposed to be impossible”
6. Oct 2022Asks whether an open sync server exists for Chromium browsers, like Mozilla's for Firefox. Read it: a comment in “Show HN: Linkidex – save and sort the URLs you care about”
7. Nov 2021Wants Chrome extensions auto-mapped to Firefox equivalents, preserving settings and key bindings, since missing extensions block switching. Read it: a comment in “Firefox is the alternative to a Chrome hegemony”
8. Jun 2020Wants a utility to carry open Safari tabs over to Firefox. Read it: a comment in “Safari is adopting an extensions API similar to Firefox’s WebExtensions”
9. May 2020Wants a simple method for syncing tweaked browser configuration across computers. Read it: a comment in “Firefox extensions to make remote work and school a little better”
10. Nov 2018Wants a reasonable way to host their own Firefox Sync server without email accounts. Read it: a comment in “Private by Design: How We Built Firefox Sync”
11. Sep 2017Wants a plugin letting Firefox use Chrome sync. Read it: a comment in “It’s time to give Firefox another chance”
12. Jun 2017Wants a tool continuously syncing bookmarks and add-ons across different browsers, not just once. Read it: a comment in “Celebrate the web by using another browser than Google’s Chrome”
13. Sep 2016Wants to reopen work browser tabs on a home Mac without being forced to sign in. Read it: a post: “Ask HN: How to re-open all browser tabs in a different machine”
14. Jul 2010Suggests a browser plugin to sync cookies and sessions across platforms, hoping someone builds it. Read it: a comment in “Ask HN: Best way to sync browser sessions across platforms?”
15. Feb 2009Wants an addon that syncs 20+ open tabs across work, home and laptop computers automatically. Read it: a post: “Firefox Productivity Addons”