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Fiddler ClassicCharles
Free

Free for eligible non-commercial use; commercial use points to the paid Fiddler…

 Paid

Commercial software with licences sold on the official site.

Windows Windows, macOS, Linux
  • Captures and decrypts HTTPS traffic for inspection
  • Lets you modify requests and responses
  • Shows full HTTP and HTTPS requests, responses and headers
  • Works as a reverse proxy as well as a monitor
  • Licensed only for eligible non-commercial use
  • Windows only
  • Paid licence required
  • HTTPS inspection needs certificate setup on the client
Downloadable app Downloadable app
Closed source Closed source
License: Proprietary 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 October 2, 2026

Checked September 23, 2026

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