Audio Joiner Online — Free Audio & MP3 Merger
Combine multiple songs, voice recordings, and sound clips into one seamless MP3 track directly in your browser.
Runs in your browser. Your files never leave your device. See how to check
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How to do it
- 1Choose your settings
Fill in the details or pick the options you need.
- 2See the result
The preview updates right away as you change things.
- 3Download or save it
Save the result to your device. Nothing is sent to or stored on a server.
About this tool
Combine two or more MP3, WAV, M4A, or AAC audio files in any order you choose. Features drag-and-drop track reordering, live audio preview, and 320 kbps high-fidelity master output.
Tips for best results
Take a moment to read the options before you start, and try the tool with a small sample first. Everything runs in your browser on your own device, so nothing you type or add is uploaded, and closing the tab clears it. If something does not look right, reload the page and try again, or use the report link on this page to tell us what went wrong so we can fix it. If a result still looks wrong, change one value at a time to see which box matters most. Bookmark this page if you will need the tool again.
Quick facts
- Category: Everyday Tools
- Works in your browser, no sign-up, no upload.
- Your input stays on your device.
- Available in many languages.
- Content last reviewed:
Frequently asked questions
How many audio tracks can I merge together?
You can add and merge as many audio tracks as you want with no artificial limits.
Can I change the order of songs before merging?
Yes, use the up and down arrow buttons to arrange tracks in the exact order you want them played.
What audio formats can I combine?
You can combine MP3, WAV, M4A, AAC, OGG, Opus, and FLAC files seamlessly.
Is there any size or duration limit?
Everything runs on your computer browser, so there are no server-side duration caps or upload limits.