Audio & Video

Join Audio

Merge multiple audio files seamlessly. Works with MP3, WAV, M4A, OGG — fully client-side.

Drag & drop or click to add audio files

Private & client-side. Your audio never leaves your device.

Join Audio Files Online (MP3 / WAV) — No Upload

Add multiple audio files (MP3, WAV, M4A, OGG).
Reorder tracks to set the sequence.
Pick output: MP3 (128–320 kbps) or WAV, plus sample rate and channels.
Click Merge audio. Processing happens locally with FFmpeg WASM—your files never leave your device.
Download the combined track.

Tip: Choose WAV for the fastest merge; use MP3 for smaller downloads.

Part of

A media workflow cluster for quick audio and video editing tasks without heavy desktop software.

Compress JPG/PNG/WEBP efficiently.

Crop with custom ratios and zoom.

Convert JPEG images to modern WEBP for smaller size.

Convert transparent PNGs to JPG.

Image Tools

Crop, compress, convert, and optimize images for web and everyday workflows.

Social Media Tools

Resize, prepare, and support content workflows for social platforms.

Device & Browser Tools

Check webcams, input speed, timers, and browser-based device diagnostics.