Tamper Data Classic by SamDev

5 Stars out of 5

Tamper Data Classic 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 2.1.0
Released 23 Feb 2026 - 30.53 kB
Works with firefox 58.0 and later
New Features:
Classic-style tamper dialog with two-panel layout (Headers | POST Parameters)
AI-powered request analysis

Bug Fixes:
Fixed domain whitelist/blacklist not clearing properly
Improved request ID handling for reliable tampering
Source code released under Mozilla Public Licence 2.0
Download Firefox and get the extension
Download file
Older versions
Version 2.0.8
Released 22 Feb 2026 - 29.29 kB
Works with firefox 58.0 and later
💾 Export selected requests to JSON
🤖 AI-powered request analysis (requires Claude API key)
Source code released under Mozilla Public Licence 2.0
Download file
Version 2.0.0
Released 15 Feb 2026 - 25.84 kB
Works with firefox 58.0 and later
Source code released under Mozilla Public Licence 2.0
Download file

Latest version