Best Debugger Products in 2026

HTTP proxy / HTTP monitor / Reverse Proxy.

Key Charles Proxy features:

Comprehensive HTTP/HTTPS Debugging User-Friendly Interface Support for Various Platforms Throttling Feature

GhostMyData continuously scans 1,500+ data brokers, removes your exposed data, and automatically re-removes it when brokers re-collect. Free scan, no credit card.

Key GhostMyData features:

Data Broker Coverage CCPA Legal Requests Removal Verification Continuous Monitoring

Try for free freemium $119.88 / Annually

Fiddler is a debugging program for websites.

Key Fiddler features:

Comprehensive Debugging Cross-Platform Compatibility Custom Scripting User-Friendly Interface

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.

Key HTTP Toolkit features:

Ease of Use Cross-Platform Compatibility Open Source Comprehensive Debugging Features

Open Source freemium €7.0 / Monthly (for a Pro subscription)

The best-of-breed binary code analysis tool, an indispensable item in the toolbox of world-class software analysts, reverse engineers, malware analyst and cybersecurity professionals.

Key IDA features:

Powerful Disassembler Interactive Graphical Interface Plugin Ecosystem Scriptable

Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

Key Proxyman.io features:

User-Friendly Interface Cross-Platform Support Real-time Traffic Interception HTTPS Decryption

Open Source $49.0 / Annually

A Powerful API Mocking and Testing Tool.

Key Requestly features:

Redirect URL Block Network Requests Modify Request & Response Header Modify Response

Open Source freemium

Disassemble, patch, and compile executable files online.

Key Hexalinq Binary Workbench features:

User-Friendly Interface Versatile Functionality High Performance Comprehensive Documentation

Open Source freemium

Parasite is a debugging and development tool that runs inside your GTK+ application's process. It can inspect your application, giving you detailed information on your UI, such as the hierarchy, X window IDs, widget properties, and more.

Key Parasite Debugger features:

Real-time GTK+ inspection CSS debugging support Widget tree navigation No code modification required

Cheat Engine is an open source memory scanner/hex editor/debugger for Windows.

Key Cheat Engine features:

Powerful Debugging Tool Customization and Scripting Broad Community Support Free and Open Source

Open Source

The Professional HTTP/HTTPS Debugger & Programmable Proxy for Modern Developers. A composable HTTP debugger to intercept, mock, and rewrite traffic — with a rule engine you configure once and reuse forever.

Key HTTPeep features:

Rule Pipeline File-based Rules CLI & AI Agent Support

freemium $59.0 / One-off (2 seat，Lifetime)

Capture, Analyze, & Edit HTTP(s) requests and responses.

Key HttpTracer features:

Inspect HTTP(s)

BugJail captures program execution at 20+ million events per second to database, and shows the result as high-level overview with drill-down to details.

Software Reverse Engineering (SRE) Framework.

Key Ghidra features:

Free and Open Source Multi-platform Support Powerful Disassembly User-Friendly Interface

Open Source