devtools
🔒 Local processing
Local developer utility

PDF Compressor

Re-save a PDF locally with object streams; size reduction depends on the source document. Your input stays in your browser while you work.

PDF Compressor🔒 Processed locally
Files stay on this device.

Choose a PDF to re-save with compressed object streams. Already optimized PDFs may not become smaller.

How to use PDF Compressor

Choose a local file above, enter any requested options, then run the action. The generated file appears with its own download control.

Processing runs locally in this browser. No input is uploaded or sent to a conversion service.

Choose a PDF to re-save with compressed object streams. Already optimized PDFs may not become smaller.

Inputs

  • Choose local files using the file picker.