Audio studio
Shape your sound, locally. Ten free browser tools with local processing.
Choose your next task
No account requiredDownsample audio to WAV
Resample a short recording to a chosen sample rate and export PCM WAV.
02 / AUDIO ↗Audio to WAV
Decode a supported audio file and prepare an editable PCM WAV copy.
03 / AUDIO ↗Trim audio
Select start and end times and export only that interval as WAV.
04 / AUDIO ↗Audio gain
Adjust gain before exporting a new WAV, checking the result for clipping.
05 / AUDIO ↗Device voice reader
Read your text aloud with a voice provided by the browser or operating system.
06 / AUDIO ↗Transcript paragraph formatter
Clean excess spacing in an existing transcript and organize it into paragraphs.
07 / AUDIO ↗Merge audio to WAV
Join short recordings in selection order and resample the result to 44.1 kHz.
08 / AUDIO ↗Audio file inspector
Inspect decoded duration, channel count and sample rate before another audio task.
09 / AUDIO ↗Audio speed & pitch
Change recording speed by resampling, which also changes pitch.
10 / AUDIO ↗High-pass audio filter
Apply a high-pass filter to reduce low-frequency rumble in a short recording.
Your files, your device.
Files are processed in your browser. No processing server, account or paid API is required. Device text-to-speech voices may use operating-system network services.