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Shrink PDF size by re-encoding pages at a chosen quality. Use this free online tool without creating an account. Your files are processed on your device for privacy.
Free compress pdf with no account
Private — files stay on your device
Works in Chrome, Safari, Firefox, and Edge
Fast in-browser processing
Yes. Compress PDF on Knowvora is free — no signup, watermark on the tool, or daily limit for normal personal use. Processing happens in your browser.
No. Files are processed locally in your browser and are not uploaded to Knowvora servers. Close the tab when you are done for extra peace of mind.
This tool accepts PDF files. Use the file picker or drag and drop to start.
Yes. It works in modern mobile browsers (Chrome, Safari, Firefox, Edge). Large files may take longer on slower devices.
Repair PDF
Rebuild a damaged or partially readable PDF structure.
OCR PDF
Extract text from scanned PDF pages using on-device OCR.
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