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: 2.7.3.0
Release Date: Sep 28, 2026
File Size: 54.4 MB
SHA-256: c5e955162975c66a5febde032eae19a80ee2a2dd789ee52630836527d561129b

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.

Resources for multiple languages are available here.

Alternative Downloads

Framework-dependent (.NET 8)

Requires Microsoft .NET 8 Runtime.

Download

File Size: 2.09 MB
SHA-256: 9517278c3cce8b53ef44fa0568fa759988eaaf130cf8739de5bf31a64d361dd9

Framework-dependent (.NET 6)

Requires Microsoft .NET 6 Runtime.

Download

File Size: 2.09 MB
SHA-256: a272cbcc64b7728bcb67006657e4d05b4b38920d641fb871e6c5266d6264bae6

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 2.7.3.0 - Sep 28, 2026

• Added a new value to the command parameter (ld)
• Added new command parameter (lw)
• Added new command aliases (e.g., selectnumber)
• Added support for new section types in .cjt/.txt files (Reference)
• Added support for labels in .cjt/.txt sections
• Added new built-in Lua properties and functions for Lua sections in .cjt/.txt files (e.g., vmtext, readsection)
• Added new lang.txt entries (pli_c472–pli_c474)
• Posted text for several language files on the forum

For detailed update information, see the full changelog.