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HTTP ToolkitReqRes
Free

Open-source desktop app that is free to download.

 Freemium

The site describes a free tier and a one-time purchase.

Windows, macOS, Linux macOS
  • One-click interception for many tools and platforms
  • Can target traffic from a single client
  • Displays intercepted HTTP(S) requests and responses
  • Can mock endpoints or entire servers
  • Desktop only; no mobile app to run it on a phone
  • Aimed at developers rather than general users
  • Available for macOS only
  • The site does not specify the free tier's limits
Downloadable app Downloadable app
Open source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.