Merge and join multiple audio files into one. Combine MP3, WAV, FLAC, AAC, OGG, and more in any order. Reorder tracks, choose your output format, and download instantly. 100% free, no signup, all processing happens in your browser.
Audio Joiner
Load the audio engine to start joining files. Processing happens entirely in your browser.
Merge MP3, WAV, FLAC, AAC, OGG, M4A, and WMA files
Drag-and-drop reordering of audio tracks
Choose from 7 output formats
Combine unlimited audio files at once
Preview joined audio before downloading
No file size limits
Mix different input formats in one join
100% client-side processing - files never leave your device
No signup or account required
Works on desktop and mobile browsers
Combine your favorite tracks into a single continuous audio file for seamless playback.
Merge intro, main content, and outro segments into a complete podcast episode.
Join different music clips together to create unique mashups and mixes.
Combine individual chapter recordings into a single audiobook file for easy listening.
Merge narration segments, background music, and sound effects for presentations.
Combine multiple voice memo recordings into one continuous file for reference or sharing.
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The easiest and most private way to merge audio files online. Your files never leave your device.
Merge audio files in the exact order you choose with smooth transitions between tracks.
Audio files never leave your device. All processing happens locally in your browser.
Mix and match different audio formats. Input MP3, WAV, FLAC, AAC, OGG, and more.
Drag files into any order with up and down controls before joining.
Use on any device with a modern browser. No software installation required.
Download your merged audio file immediately. No waiting, no email required.
Merge audio files in 4 simple steps
Click the "Load Audio Engine" button to initialize the browser-based FFmpeg processor. This only needs to be done once per session.
Drag and drop or click to select two or more audio files. You can mix different formats like MP3, WAV, FLAC, and more.
Use the up and down arrows to arrange files in the exact playback order you want. Select your desired output format.
Click "Join" to merge all files into one. Preview the result with the built-in player, then download your merged audio file.
More free audio tools
Audio joining is essential for podcast producers, musicians, audiobook creators, and anyone who needs to combine multiple audio segments into a single continuous file. Whether you are merging interview clips, combining music tracks for a DJ set, or assembling audiobook chapters, our tool handles it all with zero quality loss.
Unlike online audio joiners that upload your files to remote servers, our tool processes everything locally in your browser using WebAssembly-based FFmpeg. Your audio files never leave your device, making it safe for confidential recordings, unreleased music, and private voice memos.
One of the most powerful features of our audio joiner is the ability to combine files in different formats. Add an MP3 intro, a WAV main segment, and a FLAC outro and the tool normalizes them all before merging. Choose your preferred output format from MP3, WAV, FLAC, AAC, OGG, M4A, or WMA.
Getting the right playback order is critical when joining audio. Our reordering controls let you move tracks up and down with a single click. See the numbered sequence update in real time so you know exactly how your final merged file will play. Add or remove files at any point before joining.