Compress PDF in KB

Reduce or increase PDF file size to your exact desired KB limit. 100% secure and free.

or drop PDF here

Why Use Our PDF Size Tool?

The most powerful, secure, and easy-to-use online tool to compress or increase PDF file size exactly to your target KB limit.

Exact Size Target

Compress PDF to 50KB, 100KB, 200KB, or manually type your desired size. The file will never exceed your limit.

Increase PDF Size

Facing portal errors for small files? Use our Upscale feature to increase PDF size to 500KB, 1MB, etc.

100% Secure & Private

Your files are processed locally in your browser. Nothing is uploaded to our servers, ensuring total privacy.

Your PDF is Ready

Preview your document and choose the desired size.

document.pdf Real Size: 0 KB

Compress PDF (Reduce Size)

Want a specific size?

Type exact KB (e.g. 100). File will be equal or less.

Or Quick Presets

Compress to 50 KB

Compress to 100 KB

Compress to 200 KB

Compress to 500 KB

Increase PDF Size (Upscale)

Need a bigger file size?

Type desired KB (e.g. 500).

PDF Processed!

Original Size

0 KB

New Size