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Charles vs Violentmonkey

Professional comparison and analysis to help you choose the right software solution for your needs.

Charles icon
Charles
Violentmonkey icon
Violentmonkey

Charles vs Violentmonkey: The Verdict

⚡ Summary:

Charles: Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).

Violentmonkey: Violentmonkey is a free and open-source browser extension that allows users to install userscripts. It works across all major browsers including Chrome, Firefox, Edge, and Safari. Userscripts allow customizing webpage behavior and content.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Charles Violentmonkey
Sugggest Score — —
Category Development Web Browsers
Pricing — Open Source

Product Overview

Charles
Charles

Description: Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).

Type: software

Violentmonkey
Violentmonkey

Description: Violentmonkey is a free and open-source browser extension that allows users to install userscripts. It works across all major browsers including Chrome, Firefox, Edge, and Safari. Userscripts allow customizing webpage behavior and content.

Type: software

Pricing: Open Source

Key Features Comparison

Charles
Charles Features
  • HTTP proxy
  • HTTP monitor
  • Reverse proxy
  • View HTTP/HTTPS traffic
  • View requests
  • View responses
  • View HTTP headers
  • View cookies
  • View caching information
Violentmonkey
Violentmonkey Features
  • Install userscripts to customize webpage behavior and content
  • Compatible with all major browsers like Chrome, Firefox, Edge and Safari
  • Open source and free
  • Easy to use interface
  • Support for @require to help manage dependencies
  • Automatic updates of userscripts

Pros & Cons Analysis

Charles
Charles

Pros

  • Debug HTTP/HTTPS connections
  • Inspect traffic between machine and internet
  • Identify performance issues
  • Troubleshoot network requests

Cons

  • Steep learning curve
  • Manual configuration required
  • Extra overhead for all HTTP traffic
  • Potential privacy concerns
Violentmonkey
Violentmonkey

Pros

  • Free and open source
  • Works across all major browsers
  • Large library of existing userscripts
  • Customize webpages without knowledge of Javascript
  • Active development and support

Cons

  • Potential security risks with untrusted userscripts
  • Can break webpages if incompatible userscripts are installed
  • Need to find and install userscripts to get full value
  • Advanced customization requires Javascript knowledge

Pricing Comparison

Charles
Charles
  • Not listed
Violentmonkey
Violentmonkey
  • Open Source

Related Comparisons

Learn More About Each Product

Charles
Charles
Reviews, pricing & alternatives →
Violentmonkey
Violentmonkey
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