Compress PDF
Compress PDFs locally. Start with standard compression that preserves text, or use stronger image compression for scans with clear before-and-after sizes.
Use the interactive tool to choose your files and create a download. JavaScript is required for local processing. No account needed.
How to compress pdf
- Choose a PDF. Start with standard compression to preserve text.
- For scans, optionally choose image compression and acknowledge the trade-off.
- Compare the before and after sizes, preview and download.
Size reduction varies. If a result is larger, WaterPDF keeps your original. Image compression removes text search, forms, annotations and links.
Before you get started
Can you guarantee a PDF under 1 MB?
No. File contents and acceptable quality determine what is possible. WaterPDF shows the actual result without promising a target size.
Will text stay searchable?
Standard compression preserves page text and artwork. Image compression rebuilds pages as pictures and removes text search.
Why did the size stay the same?
The input may already be compact. If rebuilding would increase size, WaterPDF offers the unchanged original.
Are my documents uploaded?
No. Selected file contents are processed in your browser. Normal page requests still reach the hosting provider. Use a trusted device and keep your originals.