Need to upload a PDF document with strict file size limits (government portals, university applications)? This tool optimizes your PDF size to 100KB while preserving readable text.
Processed client-side in your browser — files never leave your device.
Free, with no signup, account, or usage limits.
Works on any modern browser, including mobile.
About this tool
Compress PDF reduces file size for email, uploads, and storage while keeping text readable. Compression runs locally so sensitive documents stay on your device.
How to use
Upload the PDF you want to shrink.
Pick a compression level that balances size and quality.
Start compression and wait for the local process to finish.
Download the smaller PDF and compare sizes.
FAQ
How can I compress a PDF to 100KB without losing text sharpness?
Our tool downsamples embedded raster images while keeping vector text and fonts intact.