Reduce PDF file size by recompressing embedded photos and scanned images at a lower quality.
Your file is processed locally in your browser and is not uploaded to our server.
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How to use Compress PDF
1Upload a PDF file.
2Choose a quality level and maximum image size, then click Compress.
3Download the result and compare the new size against the original.
Frequently asked questions
This tool recompresses embedded JPEG photos and scanned pages, which is where most PDF size usually comes from. PDFs that are mostly text or vector graphics are already small and may see little to no reduction.
No. Only embedded raster images are recompressed — selectable text and vector graphics are left untouched.
No. Compression happens entirely in your browser using JavaScript — the file never leaves your device.