FileStripe

Compress a PDF to an Exact File Size

Enter any size in KB and get the best-quality PDF that fits under it.

Free to use · No account needed · Files are processed on your device and never uploaded

Compress PDF to Exact Size: how it works

Every upload form seems to have a different limit: 150 KB here, 400 KB there. Set the target to the exact number your form asks for and FileStripe works out the right resolution and quality for you.

For a 1 MB limit enter 1024, for 2 MB enter 2048. Tick grayscale for very small targets.

How to compress a PDF to an exact file size

  1. Choose a PDF.
  2. Enter the maximum size in KB.
  3. Compress and download.

Features

  • Any targetFrom 20 KB up.
  • Automatic searchDPI and quality.
  • GrayscaleSmaller still.
  • PrivateNothing is uploaded.

Frequently asked questions

What's the smallest size I can reach?

It depends on the page count: roughly 10-15 KB per page in grayscale at low resolution. Split long PDFs if you need to go smaller.

Is the Compress PDF to Exact Size free?

Yes. The Compress PDF to Exact Size is completely free with no sign-up, no watermarks, no daily limits and no premium tier.

Are my files uploaded to a server?

No. FileStripe processes your files locally in your web browser using JavaScript. Nothing is uploaded, so the Compress PDF to Exact Size is safe for private photos and confidential documents and even works offline once the page has loaded.

Does it work on iPhone and Android?

Yes. The Compress PDF to Exact Size works in Safari, Chrome, Firefox, Edge and Samsung Internet on phones, tablets and computers. On a phone you can pick files from your photo library or files app and share the result straight to another app.

Last updated · Processing happens locally in your browser.

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