Step 01
Upload multiple audio files
Add the audio files you want to combine. The tool supports common formats like MP3, WAV, OGG, and FLAC, with local browser-based processing.
Offline Audio Tool
Audio Joiner
Merge audio files online, arrange tracks in the right order, and export one WAV file directly in your browser. Fast, private, and easy to use.
FAST · STABLE · PRIVACY
Upload audio files to join
Supports MP3, WAV, OGG, and FLAC · Up to 50MB per file · Merge full tracks or selected slices into one WAV
How to join audio files in 3 simple steps
FreeTTS Audio Joiner helps you combine multiple audio files in sequence, trim only the parts you need, and export everything as one clean WAV file.
Step 02
Arrange tracks and choose slices
Move tracks up or down to set the final order. You can also add slices to include only selected parts of a track instead of the full audio.
Step 03
Merge and export one WAV file
Once the order and slices are ready, merge everything into a single WAV file for download.
Why use FreeTTS Audio Joiner
Built for simple audio combining, flexible track ordering, and reliable WAV output, this online audio joiner makes merging files quick and straightforward.
Merge multiple audio files in order
Combine several audio tracks into one file and control the final playback sequence by moving tracks up or down.
Join full tracks or selected slices
Use an entire file or only a selected part of it, which is useful for intros, voice clips, music sections, and custom audio arrangements.
Private browser-based audio processing
Your files are handled locally in your browser, helping protect privacy and reducing delays caused by server uploads.
Clean WAV export for the final result
The merged output is exported as WAV in this version, giving you one stable and consistent audio file for download.
Audio Joiner FAQ
Learn how FreeTTS Audio Joiner handles track order, selected slices, supported formats, and WAV export in your browser.
Tracks are merged from top to bottom based on the order shown in the list. You can move tracks up or down before exporting.