Compress Image to 20KB
Compress a photo or signature to under 20 KB for online forms. Free, private and done in your browser.
Exam, job and government forms often cap a signature or a small photo at 20 KB. The 20 KB target is already selected: drop your images and each one is saved just under 20 KB with the best quality that size allows. Nothing is uploaded: everything runs in your browser.
- 1Add up to 30 images
- 2Pick a target file size
- 3Download one file or a ZIP
Drop your images here
JPG, PNG, WebP or GIF, up to 25 MB.
Up to 30 images at once.
Choose imagesor paste an image from your clipboard (Ctrl+V)
Drag across the image to compare the original with the result. Pick another image in the list to compare it.
Your images
Your images never leave your device: everything runs in your browser.
About Compress Image to 20KB
This free tool compresses an image to under 20 KB. A 20 KB limit is typical for signatures, thumb impressions and small photos on exam registrations, job portals and government forms, which reject a file as soon as it is a few bytes too heavy.
For every image, the browser searches the encoder quality step by step and keeps the highest quality that still fits under 20 KB. When lowering the quality is not enough, it scales the image down gradually until it fits, and an image that is already under 20 KB is kept as it is. A target counts 1 KB as 1,000 bytes, so the file also passes the strictest upload checks.
You can add up to 30 images at once, save them as JPG or WebP (or keep the original format), cap the width and height, and download one file or everything as a ZIP. Nothing is uploaded: the compression runs entirely in your browser, so your photos stay private. Need another size? Pick any other chip or type your own value.
How to use Compress Image to 20KB
- The 20 KB target is already selected; change it if your form asks for another size.
- Choose the output format: JPG, WebP or the same as the original.
- Drop up to 30 images (JPG, PNG, WebP or GIF), or paste one with Ctrl+V.
- Check each result with the before and after slider and its final size.
- Download a single image, or all of them as a ZIP file.