- Home
- Executable Packers
- Fatpack
On the recordRead 7 Oct 202618 facts
Fatpack
On the record
- Additional features
- It supports icon extraction, relocations, imports, delay imports, exception handlers, memory section protection, and manifest extraction.github.com · read 7 Oct 2026
- Compression
- Fatpack compresses target executables with LZMA.github.com · read 7 Oct 2026
- Executable support
- It supports native console and Windows executables, but not .NET.github.com · read 7 Oct 2026
- Intended users
- The documented workflow is for users packaging a target executable with the Fatpack.exe command-line tool.github.com · read 7 Oct 2026
- Known issue
- The 1.5.2 release notes say packing may fail due to Windows Defender real-time protection interference.github.com · read 7 Oct 2026
- License
- The repository provides the software under the MIT License.github.com · read 7 Oct 2026
- Maker
- The GitHub repository identifies its owner as Fatmike-GH.github.com · read 7 Oct 2026
- Memory use
- The README says section packing is preferred because it requires less memory at runtime.github.com · read 7 Oct 2026
- Other capabilities
- Listed technical features include relocations, imports, delay imports, exception handlers, memory section protection, and manifest extraction.github.com · read 7 Oct 2026
- Packing modes
- Resource packing is the default, while section packing is experimental and may cause issues with some targets.github.com · read 7 Oct 2026
- Purpose
- Fatpack is a Windows PE packer for x64 executables.github.com · read 7 Oct 2026
- Release assets
- The releases page lists three assets for version 1.5.2.github.com · read 7 Oct 2026
- Runtime requirements
- Fatpack and its loader stubs use WinAPI without the CRT, so C/C++ redistributables are not required.github.com · read 7 Oct 2026
- Section mode limitation
- The README says section packing uses less memory at runtime but may cause issues with certain targets.github.com · read 7 Oct 2026
- Supported targets
- It supports native x64 console and Windows executables; .NET executables are not supported.github.com · read 7 Oct 2026
- TLS
- It supports TLS callbacks and TLS data, including executables such as Rust and Delphi programs.github.com · read 7 Oct 2026
- TLS support
- It supports Thread Local Storage, including TLS callbacks and TLS data.github.com · read 7 Oct 2026
- What it does
- Fatpack is a Windows PE packer for x64 executables using LZMA compression and full TLS support.github.com · read 7 Oct 2026