ThriftyPDF

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Best free PDF compressor (2026 guide)

Judge compressors by honesty: do they explain quality loss? ThriftyPDF raster-compresses in-browser and tells you when output grows.

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Processed in your browser — not uploaded to our servers.

Honest limits: we re-render pages as JPEG. Best for scans/image-heavy PDFs. Text-only files may get larger or look softer.
Compression preset

Balanced: JPEG quality 0.72, scale 1×

Steps

  1. Test with a scanned PDF and a text PDF.
  2. Keep the original if size increases.
  3. Prefer no-upload or fast deletion.
  4. Upgrade only for stubborn large jobs.

FAQ

Lossless free compressors?

Often minimal gains on scans.

Our method?

JPEG re-render—great for scans, mixed for text.

Rankings paid?

No paid placements on this page.

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