Image Size Changer

About this tool

Change image file size to an exact KB target for uploads and forms. Compress to 20 KB, 50 KB, 100 KB, and more — free, no signup.

PDFImageHub runs entirely in your browser—your files are not uploaded to our servers for processing, which keeps your work private. Whether you need this for work, school, or personal projects, you can complete the task in a few clicks without creating an account.

How to use

1. Upload your image.
2. Enter your target file size in KB (or use a preset like 20, 50, 100).
3. Let the tool compress until it meets the limit.
4. Download the output that fits your requirement.

Frequently asked questions

Is Image Size Changer Online Free — Exact KB free?

Yes. Image Size Changer Online Free — Exact KB on PDFImageHub is free to use with no signup required. Open the tool, upload your file, and download the result.

Are my files uploaded to your servers?

In most cases, processing runs entirely in your browser. Your images or PDFs are not stored on our servers for routine tool use, which helps keep your work private.

Which file formats are supported?

Supported formats depend on the tool. Check the upload area on this page for accepted types such as JPG, PNG, WebP, GIF, or PDF.

Why choose this tool over desktop software?

Image Size Changer Online Free — Exact KB works in any modern browser without installation. It is ideal for quick one-off tasks when you need results fast on any device.