wave · spectrum · level

Studio gear in the browser. ffmpeg.wasm + wavesurfer.

Convert MP3 / WAV / OGG / AAC / FLAC, trim, extract, pitch, speed, reverse, fades, concat, normalize.

11 tools · 0 bytes uploaded · runs locally · MIT

01 convert MP3 / WAV / OGG / AAC / FLAC ready 02 trim ready 03 extract audio from video v0.1 04 pitch shift v0.1 05 speed change v0.1 06 reverse v0.1 07 fade in / out v0.1 08 concatenate v0.1 09 bitrate change v0.1 10 volume normalize v0.1 11 waveform view v0.1

Oriz Echo runs in your browser. Files you open are loaded into memory, worked on, and saved back — they are never sent to a server. No upload, no account required, no telemetry on your content.

Source is on GitHub under MIT.