Compress PDF for Upload

or drop files here

This compressor renders each page and rebuilds the document from JPEG images. It is particularly useful when a scanned document is much larger than its required upload size.

How it works

This compressor renders each page and rebuilds the document from JPEG images. It is particularly useful when a scanned document is much larger than its required upload size.

Choose the right inputs

DPI controls the pixel dimensions of each page and JPEG quality controls image encoding. Smaller values generally reduce bytes but can make small text less readable.

Understand the output

Pages are processed sequentially and large raster canvases are bounded. The final message reports actual output size and whether the file became smaller.

Use the result carefully

The resulting pages are images. Selectable text, editable fields, links and signatures are not preserved as interactive objects, so retain the original for future editing.

Compress PDF for Upload FAQs

Lossy image-based export removes selectable text, links and form fields. Output size depends on content and may exceed the original.
A 72 DPI A4 render is roughly 595 × 842 pixels; choosing 150 DPI provides more detail at a typically larger file size.
DPI controls the pixel dimensions of each page and JPEG quality controls image encoding. Smaller values generally reduce bytes but can make small text less readable. A 72 DPI A4 render is roughly 595 × 842 pixels; choosing 150 DPI provides more detail at a typically larger file size.