Audio Joiner
Combine several audio files into a single MP3. Pick the order, we do the rest.
🔒 100% private — runs in your browser⚡ Free forever🎯 No watermark
About this tool
Merge multiple audio tracks into one MP3 file — order them however you like.
Unlike most online tools, Audio Joiner never uploads your files. Everything is processed locally on your device using modern browser APIs — your videos, audio and images stay private, and there are no file-size limits or queues.
Frequently asked questions
As many as you like — they merge in the order you select them.
A single MP3 file combining all your tracks.
No — joining happens entirely in your browser.