Tamper Data Classic by SamDev

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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 Feb 23, 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 License 2.0
Download Firefox and get the extension
Download file
Older versions
Version 2.0.8
Released Feb 22, 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 License 2.0
Download file
Version 2.0.0
Released Feb 15, 2026 - 25.84 KB
Works with firefox 58.0 and later
Source code released under Mozilla Public License 2.0
Download file

Latest version