GoluPDFsPDF Studio
Built on Compress PDF

The best free PDF compressor in 2026

What makes a great PDF compressor in 2026? Speed, privacy, and presets that actually work. GoluPDFs Compress hits all three with zero compromises.

Browser-side Sub-second 4.9 / 5

Options

Medium and above rasterize pages for maximum reduction. Use Lossless to preserve selectable text.

🔒 100% browser-side · no upload

Why use GoluPDFs for this?

  • 15 quality presets from lossless to extreme
  • 2Batch compress up to 50 PDFs at once
  • 3100% browser-based — privacy-first
  • 4Live size & quality comparison

What you get inside Compress PDF

  • Smart compression engine with 4 quality presets
  • Target file size mode (50KB / 100KB / 200KB / 500KB)
  • Extreme compression for email attachments
  • Lossless mode preserves vector quality
  • Batch compress up to 50 files
  • Live size comparison & analytics

Frequently asked questions

Our extreme compression preset can reduce most PDFs by 60–90% while keeping text crisp. For image-heavy PDFs, we typically achieve 80%+ reduction.