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Head-to-head · Local Development Proxy Tools

Charles vs mitmproxy

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Charles #1 in Local Development Proxy Tools 9.2/10 30-day trial Free trial✓ 1 of 4 features Visit Charles
mitmproxy #2 in Local Development Proxy Tools 8.9/10 Free plan Free plan✓ 1 of 4 features Visit mitmproxy

Charles leads on 0 checks, mitmproxy on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCharles · 9.2/10
  • Free planonly mitmproxy
  • Free trialonly Charles

Charles scores higher on our rubric for local development proxy tools: 9.2 against 8.9 out of 10; our editors rank them #1 and #2.

mitmproxy offers free plan; Charles doesn't.

Charles is the better fit for teams needing a mature, cross-platform debugging proxy. mitmproxy is the better fit for developers wanting a free, scriptable proxy toolkit.

  • Charles fits best

    Teams needing a mature, cross-platform debugging proxy

  • mitmproxy fits best

    Developers wanting a free, scriptable proxy toolkit

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature Charles 9.2/10 Visit ↗ mitmproxy 8.9/10 Visit ↗
At a glance
Editor score 9.2 8.9
Ranking #1 in Local Development Proxy Tools #2 in Local Development Proxy Tools
Best for Teams needing a mature, cross-platform debugging proxy Developers wanting a free, scriptable proxy toolkit
Pricing model Paid Free
Starting price $50/user one-time Free plan
Free plan — ✓ (best)
Free trial 30 days —
Deployment Desktop Desktop, Browser extension, Self-hosted
Platforms Windows, macOS, Linux Web, Windows, macOS, Linux
Support Email, Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Charles 1/4 · mitmproxy 1/4
HTTPS interception Not checked yet Not checked yet
Edit requests and responses ✓ ✓
Mobile app debugging Not checked yet Not checked yet
API debugging tools Not checked yet Not checked yet
Specs
Supported platforms Not checked yet Not checked yet
Our review
Pros
  • Inspects HTTP, HTTPS, and SOCKS traffic across Windows, macOS, and Linux
  • Breakpoints, editing, replay, rewriting, and local or remote mapping
  • Supports WebSockets, throttling, SSL proxying, and headless operation
  • Inspects HTTP through HTTP/3 traffic and WebSocket messages
  • Edits traffic interactively and supports replay and response mocking
  • Offers browser, command-line, and Python addon interfaces
Cons
  • No separate perpetual free plan
  • Individual licenses are limited to one computer at a time
  • Volume and site pricing may not suit teams seeking subscription billing
  • Requires running a local tool; mitmweb is not a hosted service
  • Python addons require scripting for automated traffic transformations
  • Support is through community resources and documentation
Our verdict

Charles is a desktop web debugging proxy for developers working with web and networked applications. It records HTTP, HTTPS, and related traffic for inspection of requests, responses, headers, cookies, and bodies. Support for Windows,…

Read the review →

mitmproxy is a free, open-source intercepting proxy for developers, testers, security researchers, and privacy analysts who need to examine or change network traffic. It covers HTTP, HTTPS, HTTP/1, HTTP/2, HTTP/3, and WebSockets, with…

Read the review →
  1. CharlesLocal Development Proxy Tools 9.230-day trial
  2. mitmproxyLocal Development Proxy Tools 8.9Free plan

Strengths and trade-offs

  • Charles — where it wins

    • Inspects HTTP, HTTPS, and SOCKS traffic across Windows, macOS, and Linux
    • Breakpoints, editing, replay, rewriting, and local or remote mapping
    • Supports WebSockets, throttling, SSL proxying, and headless operation

    Where it doesn't

    • No separate perpetual free plan
    • Individual licenses are limited to one computer at a time
    • Volume and site pricing may not suit teams seeking subscription billing
  • mitmproxy — where it wins

    • Inspects HTTP through HTTP/3 traffic and WebSocket messages
    • Edits traffic interactively and supports replay and response mocking
    • Offers browser, command-line, and Python addon interfaces

    Where it doesn't

    • Requires running a local tool; mitmweb is not a hosted service
    • Python addons require scripting for automated traffic transformations
    • Support is through community resources and documentation
  • Charles9.2/10 · 30-day trial

    A cross-platform debugging proxy with deep traffic controls, sold through one-time licenses.

    Visit CharlesFull verdict →
  • mitmproxy8.9/10 · Free plan

    A scriptable proxy toolkit for inspecting, editing, replaying, and mocking web traffic.

    Visit mitmproxyFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update