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Compress & Optimize PDF Online
Create an optimized copy of a PDF using browser-side structural optimization. PDFs that are already efficiently compressed may not become smaller.
🔒 Privacy-first browser processingOpen the tool →
How to use it
- Select one PDF file.
- Click Compress PDF.
- The browser rebuilds the PDF with optimized object streams.
- Compare the before and after size and download the result.
Privacy
The PDF is processed locally in your browser.
Frequently asked questions
Is this tool free?
Yes. You can use it without creating an account.
Do my files leave my device?
The PDF is processed locally in your browser.
Does it work on mobile?
The interface is designed for modern mobile and desktop browsers.