Audio Merger
Concatenate multiple audio files — MP3, WAV, OGG, FLAC, M4A — into one, in the exact order you set. Matching files are stream-copied losslessly; mixed formats fall back to a clean MP3 re-encode. Drag to reorder and run the whole join in your browser without uploading anything.
How to use this tool
- 01
Add your audio files
Drop or pick two or more audio files, in the order they should play.
- 02
Reorder if needed
Drag a row to a new position or use the up/down buttons; remove unwanted tracks with the × button.
- 03
Merge and download
Matching files are stream-copied losslessly; mixed formats re-encode to one MP3, then download.
Why this matters
Joining audio end-to-end is the single most common edit a podcaster, voiceover artist, or audiobook producer makes — intro into body into outro, take after take, chapter after chapter. It's tedious busywork that shouldn't require launching a full DAW or uploading hours of unreleased audio to someone else's server.
This tool concatenates any number of files, in any order, entirely in your browser — and it's smart about quality: identical-format inputs are stream-copied losslessly, and only a mismatched set triggers a single MP3 re-encode. Trim each piece first with the Audio Trimmer so every segment starts and ends exactly where you want, then drop them in and merge.
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FAQ
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