Compress PDF to 500KB

Working toward a 500KB upload limit? Use Maximum compression first, then check the actual output size shown by the tool before downloading.

How can I reduce a PDF to 500KB?
Upload the PDF, select Maximum compression, and review the output size shown by the tool. If it remains above 500KB, the original may contain many high-resolution images or scanned pages.
Can every PDF be compressed below 500KB?
No. The final size depends on the number of pages, images, scans, and embedded fonts. The tool shows the actual result so you can confirm it meets the limit before downloading.
Will a 500KB PDF still be readable?
Open the compressed file and check it before using it. For documents where readability matters — especially scanned pages — zoom in and retry with a gentler setting if important details become hard to read.