Compress PDF to 300 KB
Reduce a PDF to under 300 KB for application and admission portals. A PDF size reducer that runs in your browser. Free, no signup, no upload.
Use the interactive tool to choose your PDF and create a download under 300 KB. JavaScript is required for local processing. No account needed.
How to compress a PDF to 300 KB
A 300 KB limit appears on many admission, scholarship and recruitment portals. It usually leaves room for several clear scanned pages.
Resizing a PDF to 300 KB or reducing PDF size to 300 KB means the same thing: making the file smaller than 300 KB.
- Choose a PDF up to 300 MB. The 300 KB limit is already selected.
- For scanned text documents, tick Black and white for sharper text.
- Accept the image trade-off and press Compress PDF.
- Check that the result says “Under 300 KB”, zoom in on small text, then download.
WaterPDF tries compression that keeps text first. If that is not enough, pages are rebuilt as images at the best quality that fits, which removes text search, links and forms. Your original file is never changed.
What fits in 300 KB?
| Document | Under 300 KB |
|---|---|
| 1–5 page scan | Usually fits in colour |
| 6–12 pages | Usually fits; black and white keeps text sharper |
| Photo-heavy PDF | Fits, with softer photos |
Questions about 300 KB limits
How do I reduce a PDF to 300 KB?
Choose your PDF above. The 300 KB limit is already selected. Accept the image trade-off and press Compress PDF. The result shows the new size and whether it is under 300 KB.
Will my text stay selectable?
Only if compression that keeps text is enough. Otherwise pages become images, which removes text search, links and forms.
My portal also has a minimum size. What should I do?
A PDF that is too small is rare. If the portal rejects it, try a larger limit such as 500 KB and check its instructions.
Are my files uploaded?
No. Selected file contents are processed in your browser. Normal page requests still reach the hosting provider. Use a trusted device and keep your originals.