Xdebug

Xdebug is ranked #2 of 27 in debuggers on The Geeks Club. It runs on Linux, macOS, Self-hosted, Web, Windows. Paid plans start at £16.67/mo.

Xdebug plans and pricing

All plans

Pro £200/yr £ 200/year * 1 developer · e-mail tech support · medium issue priority · opt-in monthly e-mail newsletter · invoice xdebug.org · 2 Oct 2026

Business £1,000/yr £ 1000/year * 2–20 developers · e-mail tech support · high issue priority · one-hour presentation or workshop · opt-in monthly e-mail newsletter · invoice · thank-you link on site xdebug.org · 2 Oct 2026

Compared on debuggers

Free plan: Yes
Supported languages: PHP
Target platforms: Linux, macOS, Windows, web/CLI PHP environments
Remote debugging: Yes
Conditional breakpoints: Yes
Exception breakpoints: Yes

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Xdebug

Product: Xdebug is a PHP extension that provides features to improve the PHP development experience.
Step debugging: Its step debugger lets developers walk through code interactively to examine control flow and data structures.
Error reporting: Xdebug improves var_dump() and adds stack traces for notices, warnings, errors, and exceptions.
Tracing: Function tracing can record calls, arguments, and invocation locations, and optionally variable assignments and return values.
Profiling: The built-in profiler reports execution and memory-use information in Cachegrind-compatible files that can be viewed with tools such as KCacheGrind or QCacheGrind.
Code coverage: Xdebug provides code coverage analysis to show which parts of a codebase execute when running PHPUnit tests.
IDE integrations: The DBGp protocol is supported by nearly every PHP IDE, including Visual Studio Code and PhpStorm, and by text-based editors.
Browser integrations: The step debugging documentation lists Xdebug Helper extensions for Firefox, Chrome/Chromium, and Edge, plus XDebugToggle for Safari.
Supported systems: Installation instructions cover Linux, macOS, Windows, and Unix-like systems; source builds are described for Unix-like operating systems.
Compatibility: Xdebug documents compatibility by PHP version and notes that current Xdebug releases support currently supported PHP versions.
Support: Community support uses Stack Overflow with low issue priority, while paid Pro and Business tiers offer email technical support and medium or high issue priority.
Networking: Xdebug initiates debugger connections to the IDE, and Xdebug Cloud is described as a relay for cases where direct connections are blocked by networking or a firewall.
Release limits: The download page lists precompiled Windows binaries for specified PHP versions and source downloads for Linux and macOS.
Security and privacy: The opened official pages describe debugging logs and connection configuration but make no security certification or compliance claim.
Price from: £16.67/mo

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Where it ranks on The Geeks Club

Best Debuggers in 2026#2 of 27

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Sources

xdebug.org· checked 2 Oct 2026
xdebug.org/docs/step_debug· checked 2 Oct 2026
xdebug.org/docs/profiler· checked 2 Oct 2026
xdebug.org/docs/install· checked 2 Oct 2026
xdebug.org/docs/compat· checked 2 Oct 2026
xdebug.org/support-commercial· checked 2 Oct 2026
xdebug.org/download· checked 2 Oct 2026