No. 9 of 37 ·PDF Compression Software

FS PDF Compressor

Windows · Mac · Linux

Freedom report

Three barsScore 6.5

FS PDF Compressor is ranked #9 of 37 in PDF compression software on Freedom251. It runs on Linux, macOS, Windows. There is a free plan.

FS PDF Compressor plans and pricing

Free Free macOS 14+ on Apple Silicon · Windows 11 x64 · Linux x86_64 github.com · 3 Oct 2026

Purpose: FS PDF Compressor compresses PDF files locally with Ghostscript.
Batch processing: Users can drag in one PDF, multiple PDFs, or a folder.
Compression profiles: The app uses Balanced compression by default and offers two optional quality profiles.
File safety: The app replaces an original only when the compressed result is smaller, and Keep original mode can save a separate compressed copy.
Privacy: PDFs are processed locally, with no uploads, accounts, analytics, or telemetry.
Integrations: The app adds file actions for Finder, Windows Explorer, GNOME Files, and KDE Dolphin.
Quick access: An optional Drop Zone lets users compress PDFs by dropping them onto a small desktop target.
Platforms: Downloads are listed for macOS 14+ on Apple Silicon, Windows 11 x64, and Linux x86_64.
Security: The macOS distribution is Developer ID signed and notarized by Apple.
Windows limit: The Windows installer is currently unsigned and updates are manual.
Linux limit: Under Wayland, the app cannot reliably pin its Drop Zone to the desktop layer.
Support: The maker invites users to report issues on GitHub and accepts optional PayPal donations.
License: The app is released under the GNU Affero General Public License v3.0 or later.
Intended users: The maker describes it as a small, free PDF compressor for Mac, Windows, and Linux.
Price from: Free

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.