How to use Compress Image
- Select or drag one or more images.
- Set the maximum file size in KB (for example 100, 50 or 20).
- Click Compress and download your images.
Compress to an exact size in KB
Many application forms require photos under a limit such as 50KB or 20KB. Enter that limit and the tool lowers quality and dimensions just enough to fit.
Faster websites
Smaller images load faster, improve Core Web Vitals and help pages rank better on Google. Compressing images is one of the easiest speed wins for any website.
Common size limits for online forms
Many application portals set strict limits: photos are often required between 20KB and 50KB and signatures between 10KB and 20KB, while job sites and email usually accept up to 1–2MB. Enter the exact limit in KB and the tool reduces quality and, if needed, dimensions until the file fits.
Frequently asked questions
Why was my PNG converted to JPG?
PNG is lossless and often cannot reach small sizes like 50KB. When that happens the tool converts to JPG so the size limit is met, and tells you in the result.
Does compression change the image size in pixels?
Only when needed to reach very small targets. Otherwise only quality is reduced and the dimensions stay the same.
How do I compress an image to 20KB?
Enter 20 in the max size box and click Compress. The tool will reduce quality and, if needed, dimensions until the file is 20KB or smaller.
Can I compress multiple images at once?
Yes. Select several images and download them individually or together as a ZIP file.
Are my files uploaded to a server?
No. Everything is processed directly in your browser using JavaScript. Your files never leave your device, so they stay completely private.
Is this tool really free?
Yes. It is 100% free with no sign-up, no watermark and no limit on how many times you use it.
Last updated: · Free to use, no sign-up.