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About Audio to Text
Audio to Text — free, private, browser-based audio tool
Transcribe any audio into text with timestamps — 90+ languages, runs on your device. It takes MPEG, MP4, WAV, X-WAV, OGG, FLAC, WEBM, AAC, M4A and gives you PLAIN, X-SUBRIP, VTT. It runs in your browser, so the file is processed on your own device.
Why use Audio to Text
- ·Files stay on your device — nothing is uploaded
- ·No signup needed
- ·Works in any modern browser, on any OS
- ·Free daily use; Pro removes limits and watermarks
How to use it
- 1Drop a MPEG, MP4, WAV, X-WAV, OGG, FLAC, WEBM, AAC, M4A file on the page, or click to choose one.
- 2Pick the options you want.
- 3Download the PLAIN, X-SUBRIP, VTT file.
What Audio to Text does
Transcribe any audio into text with timestamps — 90+ languages, runs on your device. The result is a PLAIN, X-SUBRIP, VTT file you download directly.
How it works
Web Audio API + AudioWorklet for low-latency DSP, ffmpeg.wasm for codec encoding, and a custom WASM SIMD path for time-stretching and pitch-shifting. The processing code runs inside the page, so your file is not uploaded to a server — you can confirm this in your browser's DevTools → Network tab.
Frequently asked questions
Does Audio to Text upload my files?+
No. Audio to Text runs in your browser and processes the file on your device. Nothing is sent to our servers.
Is Audio to Text free?+
Yes, with a daily free allowance and no signup. Xonvert Pro ($4.99/month) removes the daily limits and the watermark on exported files.
Do I need to install anything?+
No. It works in any modern browser on Windows, macOS, Linux, ChromeOS, Android and iPad.
Related audio tools
Trim Audio
Cut the start and end of an audio file with precise time controls.
Merge Audio
Join multiple audio files back-to-back into one track.
Adjust Volume
Make audio louder or quieter — by dB or by percent.
Fade In
Smoothly ramp the start of your audio from silent to full volume.
Fade Out
Smoothly ramp the end of your audio down to silence.
Normalize Audio
Bring quiet tracks up to a consistent loudness — no clipping.