How to compress PDF to 100KB?

Upload your file, and our tool automatically applies "Extreme" compression to reduce the size as much as possible, often under 100KB.

Will compression to 100KB affect quality?

Extreme compression reduces quality to achieve the smallest file size. It is perfect for text documents but images may look less sharp.

Yes! ExactPDF processes everything locally on your device. Your sensitive files are never uploaded to any server.

Yes! Use Batch Mode to compress multiple PDFs at once. Each file will be compressed individually to the smallest possible size.

100% Private

100% Local

No Signups

Batch Mode

Reduce PDF file size while maintaining quality. 100% client-side processing.

🔒 Your files never leave your device

Compression Level

Estimated reduction: ~70%

100% Client-Side Processing

Select PDF

100% Private

Instant

Your files never leave your device

Max file size: 150MB

Step-by-step guide to reduce PDF size while maintaining readability.

Tutorial

Compression

Get your PDF under 100KB for email attachments and form uploads.

Tutorial

Size Limit

Meet strict file size requirements for government and official portals.

Guide

Government