Firefox Sync

{{short description|Browser synchronization feature for Firefox}}

{{Infobox software

|name=Firefox Sync

|logo=Firefox Sync logo.png

|logo size=100px

|screenshot=

|caption=

|developer=Mozilla Corporation, Mozilla Foundation

|released={{start-date|December 21, 2007}}{{cite web

|url=https://blog.mozilla.org/labs/2007/12/introducing-weave/

|title=Introducing Weave

|last=Beard

|first=Chris

|date=December 21, 2007

|work=Mozilla Labs

|publisher=Mozilla

|access-date=2014-05-11}}

|size=

|genre=Browser synchronizer

|license=MPL/GPL/LGPL

| website = [https://www.mozilla.org/en-US/firefox/features/sync/ mozilla.org/firefox/features/sync/]

|latest_preview_version=

|latest_preview_date=

|operating_system=Cross-platform

|programming_language=

}}

Firefox Sync, originally branded Mozilla Weave,{{cite web

|url=http://dknite.wordpress.com/2010/05/19/firefox-sync-1-3-is-coming/

|title=Firefox Sync 1.3 is coming!

|author=dknite

|date=May 19, 2010

|access-date=2010-05-28}} is a browser synchronization feature for Firefox web browsers. It allows users to partially synchronize bookmarks, browsing history, preferences, passwords, filled forms, add-ons, and the last 25 opened tabs across multiple computers.{{cite web

|url=http://mozillalinks.org/wp/2010/01/weave-1-0-now-available-for-download/

|title=Weave 1.0 now available for download

|work=Mozilla Links

|last=Cabello

|first=Percy

|date=January 28, 2010

|publisher=Mozilla

|access-date=2010-02-06

|archive-url=https://web.archive.org/web/20101221082216/http://mozillalinks.org/wp/2010/01/weave-1-0-now-available-for-download/

|archive-date=December 21, 2010

|url-status=dead

}} The feature is now included in Firefox and is being implemented in Thunderbird.{{Cite web |title=Firefox Sync is working in Thunderbird way ahead of schedule. |url=https://twitter.com/ryanleesipes/status/1550249569144823808 |date=2022-07-22 |access-date=2022-07-23 |website=Twitter |language=en}}

It keeps user data on Mozilla servers, but according to Mozilla the data is encrypted in such a way that no third party, not even Mozilla, can access user information.{{cite web

|url=https://wiki.mozilla.org/Labs/Weave/Developer/FAQ#How_do_users_know_their_data_is_secure.3F

|title=How do users know their data is secure?

|date=February 6, 2010

|publisher=Mozilla

|work=MozillaWiki

|access-date=2010-02-06}} It is also possible for the user to host their own Firefox Sync servers, or indeed, for any entity to do so.{{cite web |url=https://mozilla-services.readthedocs.io/en/latest/howtos/run-sync-1.5.html |title=Run your own Sync-1.5 Server |access-date=2024-07-04 |website=Mozilla Services Documentation |archive-url= https://web.archive.org/web/20240703215035/https://mozilla-services.readthedocs.io/en/latest/howtos/run-sync-1.5.html |archive-date=2024-07-03}}

Firefox Sync was originally an add-on{{Cite web

|title = Firefox Sync for Firefox 3.5/3.6

|url = https://addons.mozilla.org/en-US/firefox/addon/firefox-sync/

|work = Mozilla Labs

|publisher = Mozilla

|access-date = 2012-01-19

|url-status = dead

|archive-url = https://web.archive.org/web/20111015143236/https://addons.mozilla.org/en-US/firefox/addon/firefox-sync/

|archive-date = 2011-10-15

}} for Mozilla Firefox 3.x and SeaMonkey 2.0, but it has been a built-in feature since Firefox 4.0{{Cite web

|title=Get Syncing with Firefox 4

|url=https://blog.mozilla.com/services/2011/03/22/get-syncing-with-firefox-4/

|date=2011-03-22

|publisher=Mozilla Services

|access-date=2011-08-26}} and SeaMonkey 2.1.{{Cite web

|title=What's New in SeaMonkey 2.1

|url=http://www.seamonkey-project.org/releases/seamonkey2.1/#new

|publisher=SeaMonkey project

|access-date=2011-08-26}}

Firefox Sync is built on top of Firefox Accounts as of Firefox 29, and therefore Firefox 29 and later cannot sync with Firefox 28 and earlier.{{Cite web|title=Firefox Sync|url=https://account.services.mozilla.com/|publisher=Mozilla|access-date=2015-02-17|archive-url=https://web.archive.org/web/20150507082616/https://account.services.mozilla.com/|archive-date=2015-05-07|url-status=dead}}