Spoof Me version history - 3 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 1.2.1
Released Jul 2, 2026 - 56.4 KBWorks with firefox 128.0 and later1.2.1: Reduced extension package size (~1.4 MB → ~50 KB) by removing an unused master icon asset from the build. No functional changes.Source code released under MIT License
Older versions
Version 1.2.0
Released Jun 28, 2026 - 1.44 MBWorks with firefox 128.0 and laterWhat’s new in v1.2.0:- Added edit support for all identities and fixed saving so edits update the existing identity instead of creating duplicates.
- Added delete support for preset identities.
- Added a back button in the identity form for easier navigation.
- Improved fingerprint detection so it runs consistently.
- Expanded spoofed signals to include user agent, language, screen properties, timezone, and device pixel ratio.
- Expanded available platform presets, including Apple Silicon, iPad, Linux ARM64, FreeBSD, and Win64.
- Minor release packaging improvements.
Source code released under MIT License
Version 1.0.0
Released Jun 21, 2026 - 1.43 MBWorks with firefox 128.0 and laterSource code released under MIT License