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Charles vs Tampermonkey

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

Charles icon
Charles
Tampermonkey icon
Tampermonkey

Charles vs Tampermonkey: 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).

Tampermonkey: Tampermonkey is a popular browser extension that allows users to install userscripts - little bits of JavaScript that make changes to web pages. It works by injecting code into pages as they load. Tampermonkey makes it easy to customize web pages and automate tasks in the browser.

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 Tampermonkey
Sugggest Score — —
Category Development Web Browsers

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

Tampermonkey
Tampermonkey

Description: Tampermonkey is a popular browser extension that allows users to install userscripts - little bits of JavaScript that make changes to web pages. It works by injecting code into pages as they load. Tampermonkey makes it easy to customize web pages and automate tasks in the browser.

Type: software

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
Tampermonkey
Tampermonkey Features
  • Allows installing userscripts to customize web pages
  • Supports major browsers like Chrome, Firefox, Safari, Opera, and Edge
  • Has a large library of existing userscripts to choose from
  • Can automatically update userscripts
  • Lets you control which sites scripts run on
  • Offers a dashboard to manage installed scripts

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
Tampermonkey
Tampermonkey

Pros

  • Free and open source
  • Very customizable
  • Large userscript library
  • Easy to get started
  • Active development and support

Cons

  • Potential security risks from untrusted scripts
  • Can break web pages if scripts conflict
  • Requires some technical knowledge to create scripts
  • Not beginner friendly

Related Comparisons

Learn More About Each Product

Charles
Charles
Reviews, pricing & alternatives →
Tampermonkey
Tampermonkey
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