What audio formats can I merge?

You can merge MP3, WAV, OGG, FLAC, AAC, M4A and any other format your browser supports. The output is always WAV (lossless PCM).

Is my audio uploaded to a server?

No. All merging is done entirely inside your browser using the Web Audio API. Your files never leave your device.

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🔗 Audio Merger

Q: Can I add silence between tracks?

Yes. Use the Gap setting to add a configurable silence between each track in seconds.

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Add Audio Files

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Drop audio files here

or tap / click to browse — MP3, WAV, OGG, FLAC, AAC supported

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Tracks to Merge

No audio files added yet. Drop files above or tap / click to browse.

SILENCE GAP BETWEEN TRACKS (seconds)

Set 0 for seamless join

Ready.

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About This Tool

This tool uses the Web Audio API to decode each audio file into raw PCM data, concatenate them in order (with optional silence gaps), and re-encode as a WAV file — all inside your browser. No files are uploaded to any server.

🔗 Concatenate tracks

↕ Reorder before merging

✓ Zero server transmission

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Frequently Asked Questions

Are my audio files uploaded to a server?

No. All merging is done using FFmpeg.wasm which runs entirely in your browser. Your files never leave your device and are never transmitted to any server.

What formats are supported?

The audio merger supports MP3, WAV, OGG, FLAC, and other common audio formats. You can merge files of the same format for best results.

Can I add silence between tracks?

Yes. You can insert a gap of silence between merged audio tracks, which is useful for creating podcasts, albums, or audio compilations with natural pauses between segments.