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Stays on your device. Your files are processed in your browser and are not uploaded or stored on this site.
⚠️ Important: read before you compress
- Text becomes part of the image. Content may not be searchable or selectable with traditional tools, but it stays readable and can be recovered with methods like OCR.
- It works best on image-heavy or scanned PDFs. For plain text documents it may shrink little, or even get larger. If that happens, keep your original.
- Lower quality / resolution = smaller file but blurrier. If small text gets hard to read, raise the sliders and try again.
- This is one-way: always keep the original until you've confirmed the result looks right.
Compress PDF
Strong size reduction by re-rendering pages as compressed images
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Drop a PDF here or click to browse