Compress PDF Online Free
Reduce PDF file size without sacrificing document quality. Safe in-browser compression keeps your private files totally private.
Select or Drag PDF file
Optimize images and metadata to decrease file size instantly.
How It Works & Privacy
This tool operates 100% locally in your web browser. Your files are processed using high-performance client-side JavaScript modules. No data is ever uploaded, sent to, or stored on any server. Your files never leave your device, ensuring complete security and privacy.
How to Compress PDF Size Online Free
Sending large PDF attachments via email is often blocked by file size ceilings. OrbiloConvert lets you reduce PDF file size with extreme precision. Drag your document, choose your preferred optimization standard—Recommended, Extreme, or High Quality—and click "Compress PDF Now". Our local browser engine will rewrite document assets, compress embedded bitmap images, and deliver a streamlined PDF in moments.
Preserving Text Vector Fidelity
Our compression algorithm is designed to protect your vectors. While we reduce the resolution of large high-density decorative backgrounds and photos, your document typography, text crispness, signature curves, and spacing models remain completely untouched and fully readable at any zoom level.
Frequently Asked Questions
What is the difference between recommended and extreme compression?
Recommended compression reduces file size by approximately 30-50% while maintaining crisp images. Extreme compression lowers image resolution to achieve up to 70%+ file size reduction, ideal for simple text-heavy contracts.
Is there any file security risk?
None. OrbiloConvert performs all page optimization locally on your machine. Your file content is never sent to a cloud database or web server, assuring absolute privacy.