Open Source Windows Disassemblers
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Disassemblers for Windows
View 2019 business solutionsBrowse free open source Disassemblers and projects for Windows below. Use the toggles on the left to filter open source Disassemblers by OS, license, language, programming language, and project status.
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x64dbg
An open-source x64/x32 debugger for windows.
An open-source x64/x32 debugger for windows. Development is done on GitHub (https://github.com/x64dbg/x64dbg). Daily snapshots are uploaded here, snapshots for every commit can be found on http://releases.x64dbg.com -
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OpenOCD - Open On-Chip Debugger
The Open On-Chip Debugger
The "Open On-Chip Debugger" provides JTAG/SWD access from GDB (or directly with TCL scripts) to processors with ARM and MIPS based cores. See website for full list of supported targets. -
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x64dbg
An open-source x64/x32 debugger for windows
An open-source binary debugger for Windows, aimed at malware analysis and reverse engineering of executables you do not have the source code for. There are many features available and a comprehensive plugin system to add your own. Fully customizable color scheme. Dynamically recognize modules and strings. Import reconstructor integrated (Scylla). Fast disassembler (Zydis). User database (JSON) for comments, labels, bookmarks, etc. Plugin support with growing API. Extendable, debuggable scripting language for automation. Multi-datatype memory dump. Basic debug symbol (PDB) support. Dynamic stack view. Built-in assembler (XEDParse/asmjit). Executable patching and analysis. We provide both the executable and the source. Feel free to contribute. Write plugins in C++, change colors and tweak your preferences. x64dbg can debug both x64 and x32 applications. There is only one interface. -
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Integrated Development Environment for some microcontrollers based on 8051(e.g. AT89S8253). Supported languages are Assembly and C. It has its own simulator, assembler, editor and many other tools. See the project web site for more details and the newest updates.
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APNG Assembler
Creates APNG animation from PNG/TGA image sequence.
Creates highly optimized Animated PNG files from PNG/TGA image sequences. CLI versions available for all major OSes. GUI versions for Windows and macOS. Also, APNG Disassembler can be found at http://sourceforge.net/projects/apngdis -
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ImHex
A Hex Editor for Reverse Engineers, Programmers
ImHex is a Hex Editor, a tool to display, decode and analyze binary data to reverse engineer their format, extract informations or patch values in them. What makes ImHex special is that it has many advanced features that can often only be found in paid applications. Such features are a completely custom binary template and pattern language to decode and highlight structures in the data, a graphical node-based data processor to pre-process values before they're displayed, a disassembler, diffing support, bookmarks and much much more. At the same time ImHex is completely free and open source under the GPLv2 license. Byte patching, patch management, Copy-Bytes-As-Array for many common programming languages, string and hex search, Bookmarks, Goto, Huge file support, variable column count, custom encodings and much more. ImHex includes a full custom C++-like pattern language that allows easy highlighting, decoding and analyzing of file formats. -
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RedtDec
RetDec is a retargetable machine-code decompiler based on LLVM
The decompiler is not limited to any particular target architecture, operating system, or executable file format. ELF, PE, Mach-O, COFF, AR (archive), Intel HEX, and raw machine code supported. 32-bit: Intel x86, ARM, MIPS, PIC32, and PowerPC 64-bit: x86-64 supported. Demangling of symbols from C++ binaries (GCC, MSVC, Borland). Reconstruction of functions, types, and high-level constructs. Output in two high-level languages: C and a Python-like language. Generation of call graphs, control-flow graphs, and various statistics. Detection and reconstruction of C++ class hierarchies (RTTI, vtables). Signature-based removal of statically linked library code. Static analysis of executable files with detailed information. We currently support Windows (7 or later), Linux, macOS, and (experimentally) FreeBSD. An installed version of RetDec requires approximately 5 to 6 GB of free disk space. -
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CEmu emulator
Third-party TI-84 Plus CE / TI-83 Premium CE emulator
Developer-oriented emulator of the eZ80-based TI-84 Plus CE / TI-83 Premium CE calculators. CEmu is a third-party TI-84 Plus CE / TI-83 Premium CE calculator emulator, focused on developer features. The core is programmed in C and the GUI in C++ with Qt, for performance and portability reasons. CEmu works natively on Windows, macOS, and Linux! Easy setup - get running by doing a one-time-only connection of your calculator! Accurate and fast emulation. Customizable speed/throttling. Resizable calculator screen. "Always-on-top" window option. Screen capture (PNG). Screen recording (animated PNG). File sending/receiving (not for Apps/OS yet). Multiple keybinding presets. Emulation states for efficient saving / restoring. Color skins (like the real devices). Available in English, French, Spanish, and Dutch. -
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BinExport
Export disassemblies into Protocol Buffers
BinExport is a disassembly export plugin developed by Google as part of the BinDiff ecosystem, designed for reverse engineering and binary analysis. It works with popular disassemblers including IDA Pro, Binary Ninja, and Ghidra, enabling the export of disassembly data into a structured Protocol Buffer format. This exported data can then be used for binary comparison, diffing, and advanced analysis tasks through BinDiff or other compatible tools. BinExport captures detailed information such as instructions, functions, control flow graphs, and metadata, providing a machine-readable representation of a program’s disassembled structure. It supports multiple export formats, including binary, text, and statistics outputs, and can be used interactively or via scripting (IDC, IDAPython, or Ghidra’s headless mode). The project includes complete build instructions for Linux, macOS, and Windows, ensuring reproducibility across platforms. -
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Capstone
Capstone disassembly/disassembler framework
Capstone is a disassembly framework with the target of becoming the ultimate disasm engine for binary analysis and reversing in the security community. Created by Nguyen Anh Quynh, then developed and maintained by a small community, Capstone offers some unparalleled features. Support multiple hardware architectures: ARM, ARM64 (ARMv8), Ethereum VM, M68K, Mips, MOS65XX, PPC, Sparc, SystemZ, TMS320C64X, M680X, XCore and X86 (including X86_64). Having clean/simple/lightweight/intuitive architecture-neutral API. Provide details on disassembled instruction (called “decomposer” by others). Provide semantics of the disassembled instruction, such as list of implicit registers read & written. Implemented in pure C language, with lightweight bindings for D, Clojure, F#, Common Lisp, Visual Basic, PHP, PowerShell, Emacs, Haskell, Perl, Python, Ruby, C#, NodeJS, Java, GO, C++, OCaml, Lua, Rust, Delphi, Free Pascal & Vala (ready either in main code, or provided externally by the community). -
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iced
Blazing fast and correct x86/x64 disassembler, assembler, decoder, etc
iced is a powerful and feature-rich disassembly and assembly library for x86 and x64 architectures, designed to provide accurate decoding, encoding, and formatting of machine instructions. It supports multiple programming languages, including C#, Rust, and Python, making it accessible to a wide range of developers. The library offers both disassembly and assembly capabilities, allowing users to convert between machine code and human-readable instructions in both directions. It includes advanced features such as instruction formatting, symbol resolution, and customizable output, enabling precise control over how code is represented. iced is optimized for performance and correctness, ensuring reliable results even in complex scenarios. It is commonly used in tools for debugging, reverse engineering, and binary analysis. Overall, iced provides a comprehensive solution for working with low-level machine code in modern software systems. -
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Hexplorer
Binary (hexadecimal) editor for Windows
Binary (hexadecimal) editor for Windows -
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Medusa
An open source interactive disassembler
Medusa is a disassembler designed to be both modular and interactive. It runs on Windows and Linux, it should be the same on OSX. This project is organized as a library. To disassemble a file you have to use medusa_text or qMedusa. Medusa requires the following libraries: boost >= 1.55 (system, filesystem, thread, date_time), OGDF (required git), and Qt5 >= 5.2 for the GUI. You also need CMake for compilation and a C++11 compiler (VS2015 update 2 on Windows). Git is optional but allows to clone remote repository for specific features. If you do not wish to install the various dependencies on your system, you can use this docker image instead. Even though it is working out of the box, you may want to customize it to suit your needs or for added security (e.g. restrict ssh access to public key authentication only). -
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REDasm
The Open Source Disassembler
REDasm is a cross platform disassembler and binary analysis tool, built for both hobbyists and professional reverse engineers. It supports various CPU architectures and executable formats and also offers an interactive listing, control flow graph view, cross-references, string detection and automatic function recovery. [SUPPORTED FILE FORMATS] PE, ELF, MZ, NE, LE, PSX-EXE, PSX-BIOS, XBE (Xbox), ZX Spectrum (SNA, Z80, TAP), iNES (mapper 0 only) [SUPPORTED ARCHITECTURES] x86/x86_64, ARM/THUMB, AArch64, Z80, MOS6502 [EXTRA FEATURES] VB5/6 Decompiler, MSVC RTTI and EH (EXPERIMENTAL) For detailed tier list of every feature see https://redasm.dev -
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Zydis
Fast and lightweight x86/x86-64 disassembler and code generation lib
Zydis is a fast and lightweight disassembler library designed for decoding x86 and x86-64 machine code into human-readable assembly instructions. It focuses on performance and accuracy, making it suitable for applications such as reverse engineering, debugging, and binary analysis. The library provides detailed information about decoded instructions, including operands, prefixes, and instruction lengths, enabling deep inspection of executable code. It is designed to be easy to integrate, with a clean and minimal API that reduces complexity for developers. Zydis also emphasizes portability, allowing it to run across multiple platforms and environments. Its efficiency makes it particularly useful in scenarios where large volumes of code need to be analyzed quickly. Overall, zydis serves as a reliable and high-performance tool for understanding and working with machine-level instructions. -
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APNG Disassembler
Deconstruct APNG file into a sequence of PNG frames.
This program converts APNG file into a sequence of individual PNG frames. Command-line interface and GUI viersions. Also, APNG Assembler can be found at http://sourceforge.net/projects/apngasm -
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Udis86 is an easy-to-use minimalistic disassembler library for the x86 and x86-64 instruction set architectures. The primary intent of the design and development of udis86 is to aid software development projects that entail binary code analysis.
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zDevStudio is an open source cross-platform IDE based on Pasmo compiler designed to help coders and retrocoders to develop software for Zilog Z80 8 bit CPU.
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FCML
A machine code manipulation library for Intel 64 and IA-32.
This is a general purpose machine code manipulation library for IA-32 and Intel 64 architectures. The library supports UNIX-like systems as well as Windows and is highly portable. The FCML library is free for commercial and non-commercial use as long as the terms of the LGPL license are met. Currently it supports such features as: - A one-line disassembler - A one-line assembler - An experimental multi-pass load-and-go assembler (Multi line!) - Support for the Intel and AT&T syntax - An instruction renderer - An instruction parser - Instructions represented as generic models - UNIX/GNU/Linux and Windows support - Portable - written entirely in C (no external dependencies) - C++ wrapper - Supported instruction sets: MMX, 3D-Now!, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AVX, AVX2, AES, TBM, BMI1, BMI2, HLE, ADX, CLMUL, RDRAND, RDSEED, FMA, FMA4, LWP, SVM, XOP, VMX, SMX, AVX-512 Source code moved to: https://github.com/swojtasiak/fcml-lib -
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CIL disassembler written in C# by Mono Project. This fork is coming with some bug fixes. Uses Mono.Cecil, get from https://www.mono-project.com/docs/tools+libraries/libraries/Mono.Cecil/ if you don't have it already.
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VirtuAL3101 provides a series of tools to develop effects using the AL3101 DSP from Alesis. It includes an assembler/disassembler, a simulator, an application generator with its graphical interface and various effects.
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DIS6502
The Interactive MOS 6502 Disassembler for Windows
Am MOS 6502 disassembler designed specifically to support Atari binary files. It can also handle C64 binary files, Oric binary files and raw files. Visit https://github.com/dis6502/dis6502 for the current version. -
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JReversePro is a Java Decompiler / Disassembler written in Java. Facility to view the ConstantPool contents is available. AWT, Swing and command-line versions are present.
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Tiny8051 is small 8051 microcontroller simulator written in C#. Project was created for educational purposes, to show how µP works by using clean visual interface and debugging. Note: communication over serial port was not implemented, because there was no demand for it.
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z80ex
ZiLOG Z80 CPU emulation library
Z80~Ex is the portable ZiLOG Z80 CPU emulator designed as a library. Goals include : precise opcode emulation (documented & undocumented), exact timings for each opcode (including I/O operations), multiple CPU contexts. disassembler is also included.
