Join audio files
Put 2 to 20 files together into one, in the order you choose.
More options
Free for the first 3 minutes, 3 times a day. No sign-up.
Play them at once instead? Mix audio
Hear the parts become one
Play each part, then the joined file.
Voices in these examples are AI-generated.
Works in any language
- Hello
- こんにちは
- Hola
- 안녕하세요
- Bonjour
- नमस्ते
- Hallo
- 你好
- Ciao
- مرحبا
- Olá
- Привет
- Hoi
- สวัสดี
- Merhaba
- Γεια σας
- Xin chào
- שלום
- வணக்கம்
- Kia ora
How to join audio files
- 1
Add 2 to 20 files.
- 2
Put them in order.
- 3
Download one joined file.
Questions
Is it free?
Yes, for the first 3 minutes of the joined file, 3 times a day, with no sign-up. For longer files, see pricing.
Can I mix formats?
Yes. MP3, WAV, video, and more can go into one file.
Can I join videos?
When every file is a video, you get a video back. Otherwise you get audio.
What happens to my files?
They stay private. Files are deleted after 24 hours, and free results after 1 hour.
More tools
- Cut audioTrim start, middle or end.
- Remove silenceCut out long pauses.
- Mix audioLayer voices and music.
- Remove noiseMake noisy recordings clear.
- Remove echoMake voices sound close.
- Audio enhancerStudio sound for any voice.
- Transcribe audioSpeech to text, who said what.
- Script to captionsSync a script to audio.
- Remove filler wordsCut the ums and uhs.
- Boost volumeMake quiet audio louder.
For AI assistants and developers
Ask ChatGPT, Claude, or a coding agent to do this for you, or call it from your own code.
Show the free API call
Free API · no key
curl -F file=@intro.mp3 -F file=@episode.mp3 -F file=@outro.mp3 https://audo.ai/api/try/join -o full-episode.mp3