Compress PDF
Reduce PDF file size by re-rendering pages at optimized image quality.
- Free to use
- Browser-based processing
- No account required
- Files never uploaded
About Compress PDF
Compress PDF reduces a PDF's file size by re-rendering its pages at an optimized quality, which is especially effective for scanned or image-heavy documents that are too large to email. You control the balance between size and readability, and the whole process happens in the browser with no upload.
How to Use Compress PDF
- 1
Upload a PDF
Add the PDF you want to shrink.
- 2
Pick a compression level
Choose how aggressively to compress, balancing smaller size against page sharpness.
- 3
Download
Save the compressed PDF once the size meets your needs.
Frequently Asked Questions
Why is my PDF so large?
Scanned pages and embedded high-resolution images are the usual cause. Re-rendering them at an optimized quality is what brings the size down.
Will the text still be readable?
Yes. The tool aims to keep pages clearly legible while reducing size. Choose a gentler level if you need maximum sharpness.
How much smaller will it get?
Image-heavy and scanned PDFs often shrink dramatically; text-only PDFs that are already lean may compress less.
Is my document uploaded?
No. Compression is performed in your browser; the file never leaves your device.