LOCAL · NO FILE UPLOADS

Compress audio locally

Record audio locally at 64 kbit/s. The output is WebM/Opus or M4A depending on browser support.

Local processing, up to 150 MB and 10 minutes. Keep this tab visible. Media recording runs in real time and output format depends on browser support.

Smaller dimensions or bitrate can reduce quality. A smaller file is not guaranteed. Check playback, sound and recipient format support.

How does this tool work?

Record audio locally at 64 kbit/s. The output is WebM/Opus or M4A depending on browser support. Select your file or enter the desired values. The result is created as a separate copy.

  1. Select a file or enter text.
  2. Check settings and start processing.
  3. Check the preview, actual size and appearance.
  4. Download the new copy and keep the original.

Is my file uploaded?

No. Files are processed in your browser and are not sent to ShrinkBeam. Your browser downloads the application code from this website.

Is quality always preserved?

It depends on the tool. Compression, resizing and rasterization can change details. Inspect text, forms and signatures before sharing.

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