Compress PDF to 300 KB
300 KB is enough for a few clear scanned pages. Quikdo keeps as much quality as it can while getting under the limit.
Nothing is uploaded. Your files stay private.
Popular sizes
Opens the tool with the right settings already chosen.
How to compress a PDF
Three steps, about ten seconds.
- 01
Add your PDF
Drop it in the box above, or tap to choose from your phone or computer.
- 02
Pick a target
Choose a size like "Under 200 KB" for portals, or keep the best-quality default.
- 03
Download
Check the new size and save the file. Done.
Getting a PDF under 300 KB
One to three scanned pages usually fit under 300 KB and stay readable. Longer scans may need lower image quality, so zoom in on the result before you submit it.
If it still won't fit, remove pages the form doesn't ask for with Organise pages, or turn colour scans into black and white with Grayscale PDF, which often makes them smaller.
A PDF made from Word or Google Docs (not scanned) is often under 300 KB already, unless it contains large photos.
Frequently asked questions
My PDF won't go under 300 KB. What can I do?
Delete pages you don't need, convert the scan to black and white, or rescan at a lower resolution. Then compress again.
How do I make a PDF smaller?
Drop the PDF in. Quikdo re-saves the pictures inside it at a lower resolution and quality, which is where most of the size is. Pick a target like 200 KB if a portal has a limit.
How do I get a PDF under 200 KB?
Choose the 200 KB target before you drop the file in. Quality is lowered only as far as needed to get under it.
How do I convert a PDF from MB to KB?
Set a target in KB, such as 500 KB or 200 KB, and compress. A 3 MB scan often ends up a few hundred kilobytes.