What bitrate should I choose?

96-128 kbps is a good balance for speech and most music. Go lower only if file size matters more than quality.

Does Compress Audio upload my files to a server?

No. Compress Audio runs entirely in your browser using on-device processing, your files never leave your device.

Reduce audio file size while keeping quality.

Runs in your browser

See it in action

8 MB

3 MB

Drop an audio file here, or click to browse

Runs entirely in your browser using an on-device audio engine. The engine downloads on first use, then it's cached.

Audio Converter

Convert audio files between common formats.

Trim Audio

Cut an audio file down to a specific start and end time.

Text to Speech

Convert written text into natural-sounding speech.

Speech to Text

Transcribe your speech into text using your microphone.