Orisod
Compress PDF
Choose structural cleanup for text documents or image-based compression for scanned PDF pages, then compare the resulting size.
ℹ️ Two compression modes: Quick clean re-optimizes the PDF's internal structure and keeps all text selectable and searchable, best for reports, contracts, and other text-based PDFs. Strong compression converts each page into a compressed image instead, which shrinks scanned or photo-heavy PDFs a lot more, but the resulting PDF will no longer have selectable or searchable text.
🔒 Processed on your device · No upload · No account · No watermark
Two compression modes for different PDFs
Quick clean rewrites the PDF structure without turning pages into images. It is the safer starting point for reports, contracts and forms because page text can remain searchable and selectable, although the amount saved may be small. Strong compression renders each page as a compressed image and rebuilds the PDF. That approach can help with scans or photo-heavy files, but searchable text, links, form fields, annotations and other interactive features may not survive.
Choose the mode by document type
- Try Quick clean on a text-based PDF report, contract or form
- Use Strong compression for a scan or image-heavy PDF when a rasterized copy is acceptable
- Prepare a copy for a form with a strict PDF size limit
- Compare the source and output sizes before downloading
Frequently asked questions
Will I lose the ability to select text?
Strong compression rasterizes pages, so selectable or searchable text is generally lost unless OCR is applied afterward. Quick clean does not intentionally rasterize page content, but always inspect the output when searchability or accessibility is essential.
Which mode should I use for a text-heavy report or contract?
Start with Quick clean. It reorganizes the PDF rather than rendering each page as an image, which helps preserve searchable text and other page content. Review forms, links and digital signatures after any modification; signatures may become invalid when the file changes.
How much smaller will my file be?
There is no dependable percentage. Quick clean may save little when the PDF is already optimized. Strong compression can reduce image-heavy files further, but the outcome depends on page dimensions, image content and the quality setting.
What happens if compression wouldn't actually reduce the file size?
The tool keeps the original when the generated version would not be smaller and explains the result. You can try the other mode if its tradeoffs suit the document.
Is my PDF uploaded to a server?
No. JavaScript performs the compression locally in your browser.
📖 Want the full picture? Read our guide: How to make a PDF file smaller without losing quality