Kompakt — Make your PDF fit
Free · Private · Offline · Open Source
Free CLI and Chrome extension for PDF compression. Ghostscript-powered CLI achieves 50-90% file size reduction.
Install
macOS / Linux (Homebrew):
brew tap xronocode/tools
brew install pdf-kompakt
Or download binary from Releases.
Usage
pdf-kompakt input.pdf -q medium # balanced compression
pdf-kompakt input.pdf -q low -o out.pdf # maximum compression
Quality levels
| Flag | DPI | Best for |
|---|---|---|
low | 72 | email, messaging, web |
medium ★ | 150 | most use cases |
high | 300 | print, archiving |