Compress a PDF to 500 KB.
Settings
Pages are rebuilt as high-resolution images — ideal for scans and photos. Text stays readable but can no longer be selected or searched.
Half a megabyte is a common middle limit: tight enough that a phone scan will not fit as it is, generous enough that a few pages stay easy to read after compression.
- Your document is compressed on your device and never uploaded
- Ask for an exact size like 200 KB and the quality is tuned to fit
- Built for scans, where most of the weight is images
How it works.
- 1Drop your PDF into the box — 500 KB is already set as the target.
- 2Tap Compress to 500 KB and let your device do the work.
- 3Download the smaller file and upload it.
Frequently asked questions
Why is a scanned PDF so large in the first place?
Phone scanning apps save each page as a high-resolution photo, often 1–3 MB a page. Most of that detail is invisible on screen, which is why a 500 KB version usually looks the same.
How many pages fit in 500 KB?
For typed documents, ten or more pages stay comfortably readable. For photo-heavy pages or handwriting, fewer — the result card shows the real outcome before you download.
Can I compress several PDFs to 500 KB at once?
This tool works on one PDF at a time. If the portal wants a single file, combine your documents first with Merge PDF, then compress the merged file here.