Reduce a PDF to under 100 KB for upload limits, automatically. How it works: Choose a PDF. Check the target size (100 KB); you can change it. Press "Compress PDF" and watch the progress.
About the Compress PDF to 100 KB
Many portals reject PDFs over a size limit; this tool gets your file under 100 KB, a limit common on scholarship, exam and government portals that cap each document at 100 KB. It first optimises the PDF losslessly; if that is not enough it re-renders the pages as compressed images, lowering the quality and resolution step by step until the file fits.
The result looks the same on screen for scanned documents and photos. Because pages may be converted to images, text in a digital PDF can stop being selectable, so keep your original. Everything happens in your browser: the file never leaves your phone or computer, is not uploaded to any server and is not stored by News Appite.
Progress is shown page by page, and if the target cannot be reached the tool keeps the smallest version it managed, so you always get the best possible result.
How to use the Compress PDF to 100 KB
- Choose a PDF.
- Check the target size (100 KB); you can change it.
- Press "Compress PDF" and watch the progress.
- Download the compressed PDF; the final size is shown.
Tips & benchmarks
- Scanned documents compress the most; text-only PDFs are often already small.
- If the result is still too large, split the PDF and upload the parts, or remove unneeded pages first.
- Black-and-white scans made with our Document Scanner are much smaller than colour photos.
- Grayscale or black-and-white scans reach small targets with far better readability than colour.
Frequently asked questions
How do I compress a PDF to 100 KB?
Add the PDF and press Compress PDF. The tool automatically finds settings that bring the file under 100 KB.
Will the text stay selectable?
If lossless optimisation is enough, yes. If pages have to be re-rendered as images, the text becomes part of the image; run PDF OCR afterwards if you need selectable text.
What if it cannot reach the target?
The tool tells you the smallest size it reached. Very long documents may need to be split into parts.
Is my PDF uploaded?
No. Compression happens in your browser.
Can I pick a different target?
Yes. Enter any size in KB before compressing.
Does it work on scanned PDFs from my phone?
Yes. Phone scans usually shrink the most because they contain large photos of each page.
Is there a watermark?
No, never.
Can I compress a PDF to 100 KB without losing quality?
This tool first optimises the PDF losslessly to reduce its size. If that's not enough, it re-renders pages as compressed images, which may lower quality and resolution, but the result looks the same on screen for scanned documents and photos.
How do I reduce PDF size to 100 KB?
To reduce PDF size to 100 KB, simply choose your PDF, press 'Compress PDF', and the tool will automatically reduce the file size to under 100 KB. You can also adjust the target size if needed.
Can I reduce PDF size to less than 100 KB?
Yes, this tool is designed to reduce PDF size to under 100 KB, making it suitable for upload limits on various portals. It uses a combination of lossless optimisation and image compression to achieve the desired size.
Is it possible to reduce PDF size from 100 to 200 KB?
While the primary goal of this tool is to compress PDFs to under 100 KB, you can adjust the target size to 200 KB if needed. The tool will still work to reduce the file size as much as possible while trying to meet your target size.
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All tools on News Appite are free to use for personal and commercial work. Calculations and file conversions are performed in your browser; the redirect and cache checkers make a single request to the URL you enter and store nothing. Found a bug or want a new tool? Tell us.