Cjam

Overview

Cjam is non-destructive MP3 editing software designed for Windows PCs. Files are imported by dragging and dropping them onto the interface, after which they can be processed and exported according to the specified settings. Operations can be defined using text input, allowing multiple independent actions to be executed sequentially. The software enables fast editing without the need for decoding and re-encoding the audio.

Key Features

• Cut MP3 files
• Join MP3 files
• Add fade effects to MP3 files
• Add silent intervals to MP3 files
• Play MP3 files
• Operate using text commands
• Save settings

Download

Download Cjam

Version: 2.7.1.0
Release Date: Sep 19, 2026
File Size: 54.4 MB
SHA-256: 042d771fd92cff6922dbcecd5ddc75b5b1b569d0224e81122e85b2c33fb4b8c5

Includes the .NET 8 runtime. No additional software is required.

If the latest version cannot be downloaded, the previous version is available here.

For more information, see the forum.

Alternative Downloads

Framework-dependent (.NET 8)

Requires Microsoft .NET 8 Runtime.

Download

File Size: 2.08 MB
SHA-256: 859fa16db18b71ba2afd1f169dcca398e004a9b5891cc229e3a7608d44731050

Framework-dependent (.NET 6)

Requires Microsoft .NET 6 Runtime.

Download

File Size: 2.08 MB
SHA-256: c01b5bfd956ab34761ec85ef662ce3980a3c9856f3383535425d2bada2e9e48f

Supported Devices

• Microsoft Windows 10 or later

Supported File Formats

• MP3 (*.mp3)
• CUE (*.cue)
• M3U (*.m3u)
• CJAMC (*.cjc) - Cjam’s custom format
• CJAMJ (*.cjj) - Cjam’s custom format
• CJAM (*.cjm) - Cjam’s custom format
• CJAMT (*.cjt) - Cjam’s custom format
• TXT (*.txt)

Installation and Execution

1. Extract the ZIP file.
2. Place the “Cjam” folder on a drive with read/write access.
3. Run “Cjam.exe”.

Changelog

Version 1.0.0.0 - Dec 21, 2019

Version 2.0.0.0 - Jun 28, 2025

Version 2.7.1.0 - Sep 19, 2026

• Added support for new section types in .cjt and .txt files (Lua definition)
• Added support for custom properties accessible from Lua
• Fixed a bug where comment lines in CJM sections in .cjt and .txt files were not removed
• Fixed a bug where the run order of CJMP commands was not properly prioritized

For detailed update information, see the full changelog.