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Charles vs iftop

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

Charles icon
Charles
iftop icon
iftop

Charles vs iftop: 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).

iftop: iftop is an open source command-line tool used to monitor network usage and bandwidth in real-time. It displays a table of current TCP/IP connections using bandwidth over a specified interface.

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 iftop
Sugggest Score — —
Category Development Network & Admin
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

iftop
iftop

Description: iftop is an open source command-line tool used to monitor network usage and bandwidth in real-time. It displays a table of current TCP/IP connections using bandwidth over a specified interface.

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
iftop
iftop Features
  • Displays bandwidth usage on selected network interface
  • Shows both inbound and outbound traffic
  • Can filter by IP address or network port
  • Real-time monitoring and stats
  • Text-based interface for terminal/CLI use

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
iftop
iftop

Pros

  • Free and open source
  • Lightweight and low resource usage
  • Easy to use with no configuration needed
  • Good for identifying bandwidth hogs and monitoring network usage
  • Works on Linux, Unix, and BSD systems

Cons

  • Terminal-only, no GUI
  • Can only monitor one interface at a time
  • Not as feature-rich as commercial bandwidth monitors
  • Requires some Linux/Unix command line knowledge to use
  • Does not work on Windows

Pricing Comparison

Charles
Charles
  • Not listed
iftop
iftop
  • Open Source

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Learn More About Each Product

Charles
Charles
Reviews, pricing & alternatives →
iftop
iftop
Reviews, pricing & alternatives →

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