PDF & Image Tools

Compress PDF to 500 KB

Shrink any PDF toward 500 KB: free, instant, and 100% private. Perfect for upload limits that cap files at half a megabyte.

Target size:500 KB

Drop your PDF here

Will be compressed toward 500 KB (up to 300 MB)

100% Private

PDFs are processed in your browser. Nothing is uploaded.

As small as possible

We get as close to 500 KB as the file allows, and we tell you the exact result.

No Watermarks

Free forever, no signup, no daily limits.

Why 500 KB?

500 KB is a common ceiling for document uploads. Job-application portals, scholarship forms, court e-filing systems, and many web forms ask for a PDF "under 500 KB". A 500 KB PDF is small enough to upload quickly on any connection, yet large enough to keep a multi-page scan readable. Our tool renders each page and tunes the quality until the file lands as close to 500 KB as it can, and tells you the exact size every time. Everything runs locally in your browser. Your document is never uploaded to a server.

how to reduce pdf file size to 500 kb

Upload your PDF and the tool lowers the quality of each page until the file gets as close to 500 KB as it can, then shows you the exact final size. It all happens in your browser (the file is never uploaded), and reaching very small sizes renders pages to images, so the text in the result won't be selectable.

Frequently Asked Questions

Will my PDF always come out under 500 KB?
We get as close to 500 KB as the content allows. A short or text-only PDF will land well under it. A long, image-heavy scan may not fit. In that case we hand you the smallest version we can make and show you its real size.
Does the text stay selectable?
When we actually shrink the file to hit the target, pages are rendered to images, so text in the result isn't selectable. (If your PDF is already under 500 KB we hand it back untouched, with its text intact.) For searchable text, use the full Compress PDF tool, which can keep text or add an OCR layer on desktop. Open Compress PDF
Is this really free with no watermark?
Yes, completely free, no signup, no watermark, no daily limits. The compressed PDF is yours alone.
What if my PDF is already smaller than 500 KB?
We won't make it bigger. The tool detects that it's already under target and passes the file through unchanged.
Are my files uploaded anywhere?
No. All compression happens in your browser. Your PDF never touches our servers.

Need a different size?

Compress to 200 KBCompress to 1 MBCompress to 2 MBCustom size

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