Tools
26 tools, all running locally. Tools marked FF use ffmpeg.wasm for real codec conversions.
Edit
Trim Audio
Keep a selected region and discard the rest.
Cut Audio
Remove a selected region and rejoin the audio.
Split Audio
Split a file into two clips at a timestamp.
Merge Audio
Join multiple audio files into one track.
Fade In
Add a smooth volume ramp at the start.
Fade Out
Add a smooth volume ramp at the end.
Change Volume
Boost or attenuate gain in decibels.
Normalize Audio
Bring peak level to a target loudness.
Reverse Audio
Play the waveform backwards.
Convert
Convert Audio
Re-encode to WAV with custom sample rate & channels.
MP3 to WAV
Decode MP3 and export lossless WAV.
WAV to MP3FF
Encode MP3 in-browser via ffmpeg.wasm.
MP3 to OGGFF
OGG/Vorbis encode via ffmpeg.wasm.
OGG to MP3FF
Decode OGG, encode MP3 via ffmpeg.wasm.
Stereo to Mono
Downmix stereo channels to a single channel.
Extract Audio from VideoFF
Pull the audio track out of MP4/MOV via ffmpeg.wasm.
Compress
Enhance
Create
Batch