Compress PDF to 300 KB
Compress your PDF to 300 KB online for free. Reduce your file to 300 KB or under without losing quality. No sign-up required.
Upload your PDF to get started
Choose a compression level or an exact target size — your file is ready in seconds.
Drop your PDF here, or browse
Up to 50 MB · files are deleted automatically after compression
Compression level
Target size
Your files are processed securely and deleted automatically.
Compress PDF to 300 KB online
Need your PDF under 300 KB? This tool is built for exactly that. Upload your file and we'll compress it to 300 KB or just under, automatically choosing the highest quality that fits — no guesswork, no trial and error.
Why 300 KB?
Many online forms, job portals and government websites require documents below a fixed size. Compressing to 300 KB keeps your file within those limits while staying clear and readable.
How to compress a PDF to 300 KB
- Upload your PDF using the box above.
- The target is already set to 300 KB for you.
- Click Compress PDF and download your smaller file in seconds.
It's free, secure and requires no sign-up. Your file is deleted automatically after compression.