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Compress PDF

Comments Off on Compress PDF | 27/11/2025

Compress PDF Online

Reduce PDF file size significantly while maintaining readability. Fast, secure, and works directly in your browser.

Drop PDF to Compress

Maximum file size depends on your device memory

How to compress a PDF

Choose a PDF using the compressor above and review any available quality or size settings. Download the result, compare its size with the original and open it in a PDF viewer. Confirm that the document remains readable and complete before uploading it or sending it to someone else.

What affects PDF file size?

A PDF can contain selectable text, embedded fonts, photographs, vector illustrations and scanned page images. These elements respond differently to compression. Image-heavy scans may offer more opportunities for size reduction, but lowering their resolution can make small text and signatures hard to read. Text-based PDFs may already be efficiently compressed.

Choose a practical quality level

For application forms, follow the portal’s maximum file size and minimum clarity requirements. For reports and presentations, check diagrams, charts and page layout after compression. Keep the original file and avoid repeatedly recompressing an already degraded copy. If the PDF has signatures or interactive forms, confirm those features still work as expected.

Frequently asked questions

Will compression always make a PDF smaller? Not necessarily; results depend on its contents. Can compression make a scan searchable? No; OCR is a separate operation. Can I guarantee a particular file size? No; source complexity and acceptable quality loss limit the result.