OpenToolKit CompressPDF

Spec sheet

Purpose

CompressPDF is described as a fast in-browser PDF compressor.Read 9 Oct 2026 · github.com

Product

CompressPDF is described as a fast PDF compressor that works in the browser.Read 9 Oct 2026 · github.com

Privacy

The project says PDF data stays on your PC and nothing is uploaded.Read 9 Oct 2026 · github.com

License

The repository identifies the project as GPL-3.0 licensed.Read 9 Oct 2026 · github.com

Best fit

The project says the tool works best with scanned image PDFs.Read 9 Oct 2026 · github.com

Browser use

The project describes itself as an in-browser tool.Read 9 Oct 2026 · github.com

Conversion

The project describes conversion as instant.Read 9 Oct 2026 · github.com

Interface

The live tool page displays a compression control and a value of 0.5.Read 9 Oct 2026 · opentoolkit.github.io

Local processing

The maker says files stay on the user's PC and are not uploaded.Read 9 Oct 2026 · github.com

Processing

The tool works within your browser.Read 9 Oct 2026 · github.com

Scanned PDFs

The maker says the tool works best with scanned image PDFs.Read 9 Oct 2026 · github.com

Speed

The maker describes conversion as instant.Read 9 Oct 2026 · github.com

Tracking and ads

The project says it has no tracking and no ads.Read 9 Oct 2026 · github.com

Where Specifiction places it

• PDF Compression Software#38 of 396.4
• PDF compressors#22 of 226.1