Click the upload area or drag and drop your photo. JPG, PNG, JPEG, and WebP files are all accepted. No account or signup required.
Resize Image to 20KB
Compress your photo to under 20KB for exam portals, government forms, and legacy CMS uploads. Free, instant, browser-based.
How to Resize an Image to 20KB Online
The 20KB target is set automatically. Click the resize button and the tool handles the rest.
Your resized file downloads instantly as a JPEG. Ready to upload to any form, platform, or portal without extra steps.
Common use cases
Thumbnail icons, app store screenshots shown at tiny sizes, low-bandwidth uploads, and legacy CMS systems with tight limits often require files at or under 20KB. This tool targets that exact threshold automatically.
Why is 20KB such a common limit?
Older government and educational portals built 10–15 years ago often set hard limits in the 10–25KB range because storage was expensive and upload speeds were slow. Even today, many school and exam authority portals enforce these legacy limits — knowing how to quickly produce a 20KB image saves frustration during form submissions.
Frequently asked questions
Will a 20KB photo look good on a form or portal?
For ID-style photos displayed at small sizes on a screen (under 150×150px), 20KB is typically sufficient. Avoid using this target for images that need to be printed or displayed large.
My exam form requires a photo under 20KB — can this tool help?
Yes. This tool is specifically designed for that scenario. Upload your photo and it automatically compresses it to fit within the 20KB limit using progressive quality reduction.
What happens if the image can't reach 20KB?
The tool reduces JPEG quality in steps down to about 10% before stopping. If the file is still above 20KB at that point, you may need to resize the image to a smaller pixel dimension first.
Should I upload a large photo or a small one?
Start with the best quality original you have. The tool will reduce it appropriately. Starting with a low-quality photo first can cause the compressed result to look degraded faster.