🗜️ Compress PDF
Reduce PDF file size — free, fast, and private.
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How to Compress PDF
Upload your file(s) by dragging and dropping or clicking the upload area above.
Click the button to process your files instantly in your browser.
Your processed file will download automatically. No signup needed!
Performance & Details
Typical compression: 30-80% file size reduction depending on image density. A 10 MB scan-heavy PDF often compresses to 2-4 MB. Preserves text quality and readability.
All processing uses pdf-lib (open-source). Files stay in your browser — zero server uploads. Last verified: May 2026.
Compress PDF — Available Nationwide
Compress PDF — Available Across Europe
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Go Pro — $5/monthCompress PDF — Frequently Asked Questions
How much can I reduce my PDF size?▼
Typically 30–80% reduction, depending on how many images are in the PDF. Text-only PDFs compress less.
Will compression make my PDF blurry?▼
We use smart compression that reduces file size while keeping text crisp and images acceptably clear.
Can I compress a PDF for email attachments?▼
Yes — most email clients have a 10MB or 25MB limit. Compressing your PDF first ensures reliable delivery.
Does compression remove any content?▼
No pages, text, or images are removed. Only internal data overhead is reduced.
Can I compress the same PDF multiple times?▼
You can, but the gains diminish after the first compression. Run it once for the best result.