Combine Audio Files Into One
Join multiple audio files into a single track, in the order you choose. Different formats and sample rates are handled for you.
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This merge audio tool joins multiple audio files into one continuous track — songs into a mix, voice notes into one file, chapters into an audiobook. Drag the files into order, pick the output format, download.
Different formats, sample rates and channel counts are handled for you: everything is decoded and conformed to a common format before joining. All in your browser.
Why Use This Merge Audio Tool?
- Any mix of inputs — MP3, WAV, M4A, FLAC, OGG files join into one track
- Drag to order — the sequence you arrange is the sequence you get
- Automatic conforming — sample rates and channels are matched for you
- Private — merged in your browser, nothing uploaded
- Free, no signup
How to Merge Audio Files — 3 Steps
- Drop two or more audio files into the box above, then drag them into the order you want.
- Pick the output format — MP3 with a bitrate, or WAV for lossless.
- Press the blue Merge Audio button and download the combined file.
Joining Tracks Without the Gaps and Glitches
Merging audio is mostly a compatibility problem wearing a creative costume. The files you want to join rarely agree: one is an MP3 at 44.1 kHz stereo, another an M4A voice memo at mono 48 kHz, a third a FLAC. Naive tools either refuse or produce a track that changes speed mid-file. This tool decodes every input, conforms each one to a common sample rate and channel layout, and then joins them end to end — so the output sounds like one recording, not a patchwork.
The typical jobs: stitching podcast chapters recorded on different days into one episode, combining several voice notes into a single sendable file, joining audiobook parts, assembling a DJ mix or a practice tape from separate clips, and merging a voiceover with its musical intro. In every case the order matters, which is why the file list is drag-sortable before you commit.
One thing to know: the files join back to back with no crossfade. If you need a smooth transition between songs, overlap them in an editor first — this tool's job is faithful concatenation, and it does exactly that. Silence between sections should live in the source files.
The merged file is encoded fresh as MP3 (bitrate your choice) or WAV — nothing is uploaded, the originals stay on your device, and the whole assembly runs locally in your browser.
Frequently Asked Questions
Yes — MP3, WAV, M4A, FLAC and OGG files can be mixed freely. Each is decoded and conformed to a common sample rate and channel count before joining.
Drag the files in the list (or use the arrow buttons) before merging — the list order is the playback order.
No — the files join end to end, exactly where one ends and the next begins. Add silence to a source file first if you want a pause.
Everything is processed in your device's memory, so very long combinations (hours) need a capable machine. For typical use — dozens of short files — there is no problem.
MP3 (with bitrate control) or WAV (lossless), your choice.
No — decoding, conforming and merging all run in your browser.
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