Flexible quality
Use a lower bitrate for speech or a higher one for music.
Choose an MP3 bitrate to balance audio quality and file size without uploading the file.
🔒 Your media file is never uploaded to Voysum.
Use a lower bitrate for speech or a higher one for music.
Encode with a selected constant MP3 bitrate.
No account, API, or server upload is needed.
How local browser processing works and what to expect.
128 kbps is a practical general choice; 64–96 kbps often works for voice.
No. It cannot restore information already lost in a low-quality source.
Join two audio files into one MP3 locally in your browser.
Open tool →Free browser toolJoin two compatible MP4 videos locally without uploading them.
Open tool →Free browser toolExtract audio from video locally in your browser. Your file is never uploaded.
Open tool →Voysum can transcribe the converted recording and create subtitle files.
Transcribe audio