Can I still select or search text afterwards?

No. This method converts pages to images, which suits scans or read-only documents. Do not use it if you need selectable text.

Why did my PDF get bigger?

Text-only PDFs are already tiny; converting them to images can increase size. This tool targets PDFs with many images or scanned pages.

Are my files uploaded to a server?

No. Everything runs locally in your browser via WebAssembly. Files never leave your computer and are discarded when you close the page.

Do I need to sign up or pay?

No. The site is completely free, requires no account, has no usage limits and adds no watermarks.

🗜️Compress PDF - Reduce PDF File Size Online

Each page is re-rendered as a compressed image and rebuilt into a new PDF. This works especially well on scans and image-based PDFs, typically cutting size by 50% to 90%. Adjust resolution and quality to balance size and clarity.

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How to use Compress PDF

1Upload the PDF to compress
2Choose the resolution (DPI) and image quality; lower values mean smaller files
3Click start, compare sizes and download

FAQ

Can I still select or search text afterwards?: No. This method converts pages to images, which suits scans or read-only documents. Do not use it if you need selectable text.
Why did my PDF get bigger?: Text-only PDFs are already tiny; converting them to images can increase size. This tool targets PDFs with many images or scanned pages.
Are my files uploaded to a server?: No. Everything runs locally in your browser via WebAssembly. Files never leave your computer and are discarded when you close the page.
Do I need to sign up or pay?: No. The site is completely free, requires no account, has no usage limits and adds no watermarks.