FlagSwap by Rauf Babayev

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FlagSwap version history - 2 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 0.2.1
Released Jul 10, 2026 - 79.28 KB
Works with firefox 140.0 and later
- Per-flag on/off overrides with a name + toggle for every flag; server-side
  flags clearly marked and filterable.
- Flag groups — save named sets of flags and their default states, then flip
  a whole group on or off at once.
- Domain profiles — different flag combinations per domain / sub-domain; the
  extension switches automatically as you move between sites.
- Per-container scoping (Firefox Containers) — two tabs on the same site in
  different containers can resolve to different flag values. Merge mode layers on
  top; Solo mode isolates to just that container's flags.
- Flag sync from LaunchDarkly — pull your real flag list and served values in
  via the Flag Sources settings, so overrides use accurate defaults.
- Always-on sidebar mode — dock FlagSwap alongside the page instead of using
  the popup, with a per-tab refresh button.
- Searchable, sortable flag list with quick filtering.
- Refreshed brand icons and numerous UX and reliability fixes.
Source code released under All Rights Reserved
Download Firefox and get the extension
Download file

Latest version