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x64dbg
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x64dbg

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

by x64dbg · GitHub
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binary-analysisctfcybersecurityC++
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Debug Windows programs and analyze malware using an open-source tool designed for reverse engineering.

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49.4k48.9k
2026-07-122026-08-31
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📄 About

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

x64dbg has 49.4k stars on GitHub. It has been forked 2.8k times. x64dbg is written mainly in C++. It has been in active development since 2015. Its main topics are binary-analysis, ctf, cybersecurity, debugger.

Frequently asked questions

What is x64dbg?

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

Is x64dbg open source?

x64dbg is an open-source project.

Is x64dbg free?

Yes. x64dbg is free and open source — you can use, modify and self-host it.

What language is x64dbg written in?

x64dbg is written mainly in C++.

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