Audio Joiner
Combine audio clips into one recording in the order you choose. Each file and the combined duration must stay within 15 minutes, with processing performed on your device.
Choose files
MP3, WAV, M4A, OGG, FLAC, MP4, WEBM. Maximum 15 minutes per file and for the combined output; up to 8 files. 100 MiB on desktop, 50 MiB on touch devices.
Files are joined in the order listed above. Select them together in the file picker. Use Move up or Move down to change the join order. Reset to choose different files.
Settings
MP3 and M4A use bitrate settings. WAV uses 16-bit PCM, OGG uses quality-based encoding, and FLAC uses lossless compression. Conversion cannot restore lost audio detail.
Result
Your result will appear here.
Files and generated text stay on this device. Processing code is downloaded from ICANDL; speech model files are downloaded from Hugging Face. No media upload or server fallback is used.
This tool was developed by Utilza Team.
How to use Audio Joiner
- Choose supported audio clips with a combined duration up to 15 minutes.
- Arrange the clips in the order you want to hear them.
- Join the clips and download the combined recording.
Check the order before joining
The joiner places the end of one clip before the beginning of the next. Review the sequence so that a spoken recording or music compilation follows the intended order. Trim unwanted silence in each source before joining if you need tighter transitions.
Mixed formats need a common output
Clips with different codecs, sample rates or channel layouts may need conversion before they can form one file. This can involve re-encoding. Joining does not guarantee equal loudness or a crossfade between clips, so listen to each transition in the exported recording.
Frequently asked questions
Can I join files in different formats?
Supported input formats can be converted to a common output during processing. Every source codec must be readable by the engine.
What is the duration limit for joined audio?
Each selected file and the combined duration must be 15 minutes or shorter. Several files can still exceed the memory available on your device.
Does joining automatically match the volume?
Joining appends audio in sequence. It does not guarantee loudness matching or crossfades, so check transitions in the downloaded result.
Are the selected clips sent to a server?
The joiner processes clips locally in your browser. Keep the tab open until the combined file is ready to download.