Runs locally
Compress PDF
Rewrite the PDF and report the real size change.
Repacks the document with object streams. If the file grows, the new size is still shown. This is not a fake progress bar.
About this tool
Make a PDF smaller for email or upload forms. The document is repacked on your device, and the tool shows the honest result, even when the file cannot be made smaller.
How to use it
- 01
Drop the PDF file.
- 02
Wait while the document is repacked in your browser.
- 03
Compare the sizes and download the compressed PDF.
FAQ
Frequently asked questions
How much smaller will my PDF get?
It depends on how the file was created. Some PDFs shrink a lot, others barely change; the real sizes are always shown.
Is the PDF uploaded?
No. Compression runs entirely in your browser.