Compress PDF to 300 KB
This page opens the PDF compressor with the size already set to 300 KB. Choose your PDF, press the button, and you get a copy that is 300 KB or smaller, ready to upload. A 300 KB limit suits small multi-page documents such as a few marksheets merged into one file.
How it gets the size down
Each page is redrawn as a lighter picture, step by step, until the file fits under 300 KB. The tool tries several levels and keeps the clearest one that fits. If your PDF is already under 300 KB, it is returned unchanged.
When the size cannot be reached
Some files have many pages or very detailed scans. If 300 KB would make the pages unreadable, the tool stops and tells you the smallest size it managed, instead of giving you a blurred file. Then split the PDF into parts, remove pages you do not need, or ask whether a slightly larger file is allowed.
Good to know
Because pages become pictures, text in the compressed PDF cannot be selected, and links and form fields are removed. Keep your original file. Everything happens in your browser, so private documents are never uploaded.
- How do I compress a PDF to 300 KB?
- Choose the PDF on this page. The target is already 300 KB; press the button and download the result.
- Will my PDF stay readable?
- Yes. The tool keeps the clearest version that fits, and stops with a message if the size would make pages unreadable.
- Is it free and safe?
- Yes. It is free, needs no sign-up, adds no watermark, and the file never leaves your device.