Compress PDF
Re-pack a PDF to shrink its file size — local, private, instant.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Compress PDF
Follow these steps — everything happens instantly in your browser.
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Step 1. Drop your PDF onto the zone.
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Step 2. Toggle “Strip metadata” if you also want to remove title, author and other document properties.
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Step 3. Click “Compress PDF” — the re-packed file is built locally and shown side-by-side with the original size.
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Step 4. Download the compressed PDF. Size reduction varies — image-heavy PDFs may not shrink because images aren't recompressed.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about compress pdf.
Merge PDF
Combine multiple PDF files into one — free, private, instant.
PDF Metadata Editor
View and edit PDF title, author, subject & keywords — locally.
Add PDF Watermark
Stamp diagonal text watermarks across every PDF page — private.
Extract PDF Pages
Pull specific pages into a new PDF — keep only what you need.