Tamper Dev is an extension that allows you to intercept and edit HTTP/HTTPS requests and responses as they happen without the need of a proxy. Works across all operating systems (including Chrome OS).
Last updated Jul 5, 2026
4.2k
Stars
231
Forks
56
Issues
+1
Stars/day
Attention Score
97
Language breakdown
TypeScript 42.2%
JavaScript 40.9%
HTML 11.0%
CSS 4.2%
SCSS 0.9%
Makefile 0.8%
▸ Files
click to expand
README
Tamper Dev
Tamper Dev is an extension that allows you to intercept and edit HTTP/HTTPS requests and responses as they happen without the need of a proxy.
Tamper Chrome was version 1, which uses a deprecated API, and will stop working at some point.\
Users should migrate to Tamper Dev (v2). Visit https://tamper.dev to update.
