Tech riderRev. 20 Sept 2026
FiddlerCore
- 1Runs onWindows, Mac, Linux
- 2CostsNot stated by the maker
- 3Platformsdesktop
- 4Request/response editingYes
- 5Traffic replayYes
- 6Response mockingYes
- 7WebSocket inspectionYes
- 8Proxy chainingYes
7 lines stated Written from the maker's own pages: telerik.com
Overview
FiddlerCore is ranked #17 of 27 in web debugging proxies on Specifiction. It runs on Windows, macOS, Linux. There is no free plan.
Compared on web debugging proxies
- Free plan
- Notelerik.com
- Platforms
- desktoptelerik.com
- Request/response editing
- Yestelerik.com
- Traffic replay
- Yestelerik.com
- Response mocking
- Yestelerik.com
- WebSocket inspection
- Yestelerik.com
- Proxy chaining
- Yestelerik.com
Best FiddlerCore alternatives
See all 20 All accessCh 01 HTTP Toolkit Free planAndroidiOS Free to start7.8 All accessCh 02 NetworkSpy Free planFree trialLinux from $1.50/mo7.8 All accessCh 03 Reqable Free planAndroidiOS from $4.16/mo7.7 All accessCh 04 Fluxzy Free planAndroidAPI Free to start7.6 All accessCh 05 Fiddler Everywhere Free trialAndroidiOS from $3.08/mo7.5 All accessCh 06 Proxyman Free trialAndroidiOS from $1/mo7.5
Where it ranks on Specifiction
- Best Web Debugging Proxies in 2026#17 of 27
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