mitmproxy vs HTTP Toolkit

mitmproxy9.4Visit HTTP Toolkit9.2Visit

Higher score mitmproxy #1 in Web Debugging Proxies 9.4/10 Free plan Free plan✓ 6 of 6 features Visit mitmproxy

vs

HTTP Toolkit #3 in Web Debugging Proxies 9.2/10 Free plan Free plan✓ 6 of 6 features Visit HTTP Toolkit

• mitmproxy fits best

  Teams wanting a free, programmable proxy

• HTTP Toolkit fits best

  Cross-platform teams debugging many client types

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Side by side

Feature	mitmproxy 9.4/10 Visit ↗	HTTP Toolkit 9.2/10 Visit ↗
At a glance
Editor score	9.4	9.2
Ranking	#1 in Web Debugging Proxies	#3 in Web Debugging Proxies
Best for	Teams wanting a free, programmable proxy	Cross-platform teams debugging many client types
Pricing model	Free	Free plan + paid
Starting price	Free plan	—
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop, Browser extension, Self-hosted	Cloud, Self-hosted, Desktop, Browser extension
Platforms	Web, Windows, macOS, Linux	Web, Windows, macOS, Linux, iOS, Android
Support	Community, Docs	Email, Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features mitmproxy 6/6 · HTTP Toolkit 6/6
Request/response editing	✓	✓
Breakpoint rules	✓	✓
Traffic replay	✓	✓
Response mocking	✓	✓
WebSocket inspection	✓	✓
Proxy chaining	✓	✓
Specs
Platforms	Not checked yet	Not checked yet
Our review
Pros	Covers HTTP/1, HTTP/2, HTTP/3, HTTPS, and WebSockets Combines browser, command-line, and Python addon interfaces Supports replay, mocking, recording, and upstream proxy chaining	Intercepts and edits HTTP, HTTPS, and WebSocket traffic Supports mocking, replay, breakpoints, rewrites, and failure injection Works across Windows, macOS, Linux, iOS, Android, and browsers
Cons	No AI-assisted features The web interface runs as part of the local mitmproxy tool Advanced automation requires Python-based scripted addons	Paid-tier costs are not shown as fixed amounts Team workspaces are listed as coming soon Its focus is HTTP and HTTPS traffic rather than broader debugging needs
Our verdict	mitmproxy is a free, open-source intercepting proxy for developers, testers, security researchers, and privacy analysts. It captures, inspects, modifies, records, and replays network traffic through command-line, browser-based, and Python… Read the review →	HTTP Toolkit is an open-source HTTP and HTTPS debugging proxy for developers and testers working across desktop applications, browsers, mobile apps, containers, command-line tools, and backend languages. It combines traffic capture with… Read the review →

Strengths and trade-offs

• mitmproxy — where it wins

  • Covers HTTP/1, HTTP/2, HTTP/3, HTTPS, and WebSockets
  • Combines browser, command-line, and Python addon interfaces
  • Supports replay, mocking, recording, and upstream proxy chaining

  Where it doesn't

  • No AI-assisted features
  • The web interface runs as part of the local mitmproxy tool
  • Advanced automation requires Python-based scripted addons

• HTTP Toolkit — where it wins

  • Intercepts and edits HTTP, HTTPS, and WebSocket traffic
  • Supports mocking, replay, breakpoints, rewrites, and failure injection
  • Works across Windows, macOS, Linux, iOS, Android, and browsers

  Where it doesn't

  • Paid-tier costs are not shown as fixed amounts
  • Team workspaces are listed as coming soon
  • Its focus is HTTP and HTTPS traffic rather than broader debugging needs

• mitmproxy9.4/10 · Free plan

  A broad, programmable proxy for debugging HTTP, HTTPS, WebSockets, and related traffic.

  Visit mitmproxyFull verdict →
• HTTP Toolkit9.2/10 · Free plan

  A broad HTTP debugging proxy for teams working across browsers, apps, containers, and APIs.

  Visit HTTP ToolkitFull verdict →