Volume booster: make audio louder
Make quiet recordings louder, at the right level for where they're going.
More options
Free for the first 3 minutes, 3 times a day. No sign-up.
One voice quieter than the rest? Level speakers
Hear the difference
Play Original, then Louder.
Original: too quiet. Louder: right for Podcast.
Made with Boost volume, set for podcasts
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 make audio louder
- 1
Add a recording or a video.
- 2
Pick where it's going, such as Podcast.
- 3
Download the louder file.
Questions
Is it free?
Yes, for the first 3 minutes of each file, 3 times a day, with no sign-up. For longer files, see pricing.
Will it distort?
No. Peaks stay just under the point where sound breaks up, so it gets louder cleanly.
Which level should I pick?
Podcast suits most spoken audio. YouTube is a little louder, and Broadcast is quieter, as TV and radio expect. Audiobook also checks the rules of ACX, Audible's publishing platform. Under More options, you can set your own level.
What happens to my files?
They stay private. Files are deleted after 24 hours, and free results after 1 hour.
More tools
- Level speakersEven out loud and quiet voices.
- 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.
- Cut audioTrim start, middle or end.
- Join audioMerge files into one.
- Remove silenceCut out long pauses.
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
curl -F file=@episode.wav -F target=podcast https://audo.ai/api/try/loudness -o episode-loud.wav