Convert Audio Files
Convert common audio formats locally without uploading your recording.
Processed locally in your browserThe FFmpeg engine loads only when you convert. Browser conversion can be slower than desktop software, and temporary files are cleared after each job.
What this tool does
Convert a common audio file into MP3, WAV, M4A, OGG, Opus, or FLAC without uploading the recording.
How to use it
- 1Choose one supported audio file up to 50 MB and 20 minutes.
- 2Select an output format and a quality preset when available.
- 3Convert locally, review the result, and download the new file.
Privacy
The conversion engine runs in a browser worker. Your audio is not uploaded to Zevian.
Supported formats and options
MP3, WAV, M4A/AAC, OGG, Opus, FLAC, and WebM input with six output formats.
Limitations
Browser conversion is slower than native software, especially on mobile devices. Unsupported codecs and protected files cannot be converted.
Frequently asked questions
Is my recording uploaded?
No. The browser conversion engine processes it locally.
Why does the engine take time to load?
The conversion engine is downloaded only when needed so other Zevian pages stay lightweight.
Does conversion preserve tags?
Metadata and embedded artwork are not guaranteed to survive re-encoding.