Pro AI tools for audio and video
Enhance voices, remove noise, split vocals, transcribe, add captions, edit, and convert. Free to try, no subscription.
10M+ files processed since 2021
Make any recording sound studio-quality with Audo's AI voice enhancer.
FixesNoiseEchoMuffled soundDistortion
From subtle to full.
More options
Free for the first minute, 3 times a day. No sign-up.
Made for voices. Music and other sounds are removed too.
Give your AI every tool on Audo,
and it edits like a pro.
Read audo.ai/setup.md and set up Audo for me.
54 tools for audio and video
Clean up
6- Audio enhancer
Make any recording sound studio‑quality.
- Audio cleaner
Make bad recordings sound good.
- Remove noise
Clears the background, keeps your voice.
- Voice isolator
Isolate the voice from any recording.
- Remove noise from video
Clean sound, same video.
- Remove echo
Make voices sound close.
Music
7- Vocal remover
Separate vocals, music, and stems.
- Remove music from video
Keep voices and effects, lose music.
- Stem splitter
Split vocals, drums, and bass.
- Karaoke maker
Remove vocals, keep the music.
- Change pitch
Move the key up or down.
- Change speed
Speed up or slow down audio.
- Key and BPM
Find a song's key and tempo.
Text
7- Transcribe audio
Speech to text, who said what.
- SRT file generator
SRT captions from video or audio.
- Text to SRT
Sync a script to audio.
- Auto captions
Put your words on the picture.
Video only - Remove filler words
Cut the ums and uhs.
- Audio translator
Speech into translated text.
- Translate subtitles
Subtitles in more languages.
Record
5- Voice recorder
Record, then trim and clean up.
- Screen recorder
Record screen, camera, and sound.
- Webcam recorder
Record camera and mic online.
- Record computer audio
Record tab or system sound.
- Mic test
Test your microphone and sound.
Edit
12- Editor
Edit audio and video right here.
- Audio editor
Cut by text, clean up, and export.
- Text-based editor
Cut audio and video by words.
- Cut audio
Trim start, middle or end.
- Trim video
Cut by exact times.
Video only - Merge audio
Merge files into one.
- Merge videos
Join clips in order.
Video only - Remove silence
Cut out long pauses.
- Mix audio
Layer voices and music.
- Replace audio in video
New sound, same picture.
- Reverse audio
Play any sound backwards.
- Mute video
Same video, no sound.
Video only
Video
10- Convert video
Save in the format you need.
- Video compressor
Smaller clips, ready to share.
- Crop video
Keep your chosen picture area.
- Resize video
A frame for every platform.
- Reframe video
Make wide video vertical.
- Reverse video
Play the picture backwards.
- Loop video
Keep your clip playing.
- Video to GIF
Make a clip loop.
- MP3 to MP4
Turn audio into a waveform video.
- Text on video
Put words on your video.
Volume
2- Boost volume
Make quiet audio louder.
- Balance audio
Even out loud and quiet voices.
Files
5- Convert audio
Audio to MP3, WAV and more.
- MP4 to MP3
Get the sound from any video.
Video only - File info
Length, format and more.
- Compress audio
Make audio files smaller.
- LUFS meter
Check loudness in LUFS.
- Nothing to install
- Your files stay private
- Works with audio and video
- Works in any language
For developers
Add Audo to your app.
The audio enhancer, noise removal, transcription, and every other Audo tool, through one simple API. Pay as you go, with no subscription.
curl -H "Authorization: Bearer $AUDO_API_KEY" \
-F file=@zoom-call.m4a \
https://audo.ai/api/try/enhance-voice \
-o zoom-call-studio.wav→ zoom-call-studio.wav · studio-quality voice
Questions
Is it free?
Yes. Convert, cut, and join are free for the first hour of a file, noise removal and voice enhancement for the first minute, and transcription for the first 2 minutes, a few times a day, with no sign-up. For longer files, pay only for what you use — from $0.01 to $0.08 a minute ($0.60 to $4.80 an hour) with no subscription — see pricing.
What happens to my files?
They stay private. Uploads are deleted after 24 hours, and free results after 1 hour.
Which files work?
Audio as WAV, MP3, M4A, AAC, FLAC, OGG, Opus, WebM, AIFF, and video as MP4, MOV, MKV, WebM, AVI. Files up to 10 GB work without an account, and up to 10 hours when signed in. To change formats first, use Convert audio, or pull the sound from a video with MP4 to MP3 or Replace audio in video.