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OS Authority

Compress a PDF to under 200 KB

Try to reduce a short PDF to under 200 KB for a form that specifies this cap. The result reports whether the limit was reached; review scanned text before submitting.

Your PDF is processed on this device and never uploaded. We don't see, store or log your files.

Common sizes

How it works

  1. Tap Choose file and pick your PDF.
  2. Tap Compress PDF to try the supported image settings for a 200 KB target. Some PDFs may remain above the limit.
  3. Download or share the new PDF, and check the size shown in the result.

Choose this preset for a 200,000-byte cap

Use this page when the receiving form specifically says 200 KB. We count that as 200,000 bytes. Two pages share an average of 100,000 bytes each before document overhead; five pages share 40,000. These figures describe the budget, not measured compression performance.

Keep certificates and small print readable

This preset searches image-compression settings without changing the PDF’s existing text, fonts or vector drawings. In a scanned certificate, the text is part of the image and can soften. Check seals, dates and small print on every page of the downloaded PDF.

When a short file still exceeds 200 KB

A PDF containing complex fonts, vectors or images the compressor cannot re-encode may not reach this cap. You receive the smallest version found with an above-limit message. Remove only genuinely unnecessary pages with Organize PDF, or use the adjustable compressor if the form permits a different limit.

Frequently asked questions

How many scanned pages fit in 200 KB?

There is no reliable fixed page count. At five pages the average budget is 40,000 bytes per page before PDF overhead. Fine print, photos and pre-compressed images change what is achievable; inspect the actual downloaded file.

Is 1 MB 1,000 KB or 1,024 KB?

Sites count it both ways. We use 1,000: a "1 MB" file here is at most 1,000,000 bytes, so it also passes a form that counts 1,048,576.

Is my PDF uploaded?

No. Everything happens in your browser on your own device.

Last reviewed: October 18, 2026

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