Combine voice memos, recorded parts of a lecture or a set of songs into a single file. Add the files, put them in order and download one MP3, M4A or WAV. The joining runs in your browser, so nothing is uploaded.
Your file never leaves your device. Nothing is uploaded.
Drop two or more audio files here
mp3, m4a, wav, ogg, flac, or the audio from video files. Up to 20 files and 500MB in total. Joined on your device.
Processing runs on FFmpeg, compiled to WebAssembly, inside this browser tab. Licences and source
No. The joiner is FFmpeg running inside your browser. The files are read and merged on your own device, and Wave never receives the audio or the file names.
Yes. You can mix MP3, M4A, WAV, OGG, FLAC and the audio from MP4 or MOV video. Each file is converted to the same sample rate and to stereo before joining, so a mono voice memo can follow a stereo song.
MP3 plays everywhere and keeps the file small. M4A (AAC) is the native format on iPhone and Mac. WAV is lossless but about ten times bigger, so use it only if you will edit the result further.
The joined file is encoded once, at 192 kbps for MP3 and M4A, which is transparent for speech and good for music. WAV output adds no further loss.
Up to 20 files and 500MB in total per join. To combine more, join them in batches and then join the results.
Related: MP3 cutter · Video compressor · Free audio converter · Free audio transcription
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