Built on Compress PDF
Compress PDF to 500 KB online
Compress PDFs to 500 KB for email attachments and online portals. Our Medium preset balances size and quality beautifully.
Browser-side Sub-second 4.9 / 5
Drop your files here
or click to browse — up to 50 files
🔒 Your files never leave your device — processing happens in your browser.
Options
Medium and above rasterize pages for maximum reduction. Use Lossless to preserve selectable text.
🔒 100% browser-side · no upload
Why use GoluPDFs for this?
- 1Best quality-to-size ratio in the industry
- 2Multi-page document support
- 3No upload, no signup, no tracking
- 4Email-friendly output
What you get inside Compress PDF
- Smart compression engine with 4 quality presets
- Target file size mode (50KB / 100KB / 200KB / 500KB)
- Extreme compression for email attachments
- Lossless mode preserves vector quality
- Batch compress up to 50 files
- Live size comparison & analytics
Frequently asked questions
Upload your PDF to GoluPDFs Compress, choose the appropriate compression preset, and click Run. Our engine automatically rasterizes high-DPI images and rebuilds a leaner PDF that targets 500 KB.