Compress Image to 20 KB
Reduce any photo to under 20 KB automatically — the tool finds the highest quality that still fits, so you don’t have to guess.
- Free
- No sign-up
- Batch + ZIP
- No uploads
Finds the highest quality that fits under your target.
How to use the Compress Image to 20KB
- 1
Add your photo
Drop a JPG, PNG, WEBP or HEIC image onto the box above, browse, or paste with Ctrl+V. Batches work too.
- 2
Automatic compression
The tool tries different quality levels — and only shrinks the dimensions if it has to — until the file is just under 20 KB.
- 3
Download
Download the image, ready to upload. You can change the target size if your form asks for something different.
Why do forms ask for images under 20 KB?
Many exam, scholarship and government application portals limit photos and signatures to 20 KB or less. This tool gets you under the limit while keeping the photo as sharp as possible.
JPG (also called JPEG) is the most widely used photo format. It uses lossy compression to keep files small and works everywhere, but it does not support transparency and loses a little quality every time it is re-saved.
PNG is a lossless format that keeps every pixel exactly and supports transparent backgrounds. It is ideal for logos, icons, screenshots and graphics, but photos saved as PNG are often very large.
WebP is a modern image format created by Google. It supports both lossy and lossless compression plus transparency, and typically produces files 25–35% smaller than JPG at the same visual quality. All modern browsers support it.
Why people use ReadySetConvert
100% private
Images are processed on your device and never uploaded anywhere.
Lightning fast
No waiting for uploads or queues — results appear instantly.
Batch friendly
Convert dozens of images at once and download them as a ZIP.
Free forever
No sign-up, no watermarks, no daily limits.
Reduce image size to 20 KB without losing clarity
Instead of crushing the quality, the compressor balances JPG quality and pixel dimensions to land just below 20 KB. The result usually looks almost identical to the original on screen — perfect for signatures, photos for exam and job application forms, and government portals.
Need a different size?
Change the target in the box above to any number of kilobytes, or use our presets for 50 KB, 100 KB, 200 KB.
Other target sizes and tools
Frequently asked questions
How do I reduce a photo to 20 KB?
Drop it into the box above. The compressor automatically finds the best JPG quality that fits under 20 KB and lets you download the result.
Will my image look bad at 20 KB?
The tool keeps the highest quality that fits. If the photo is very large, it also reduces the pixel dimensions slightly, which keeps it looking much cleaner than heavy compression alone.
Can I compress a PNG or iPhone HEIC photo to 20 KB?
Yes. PNG, WEBP and HEIC photos are converted to JPG, which is the format most forms accept and compresses best for photos.
Is this image to 20 KB tool free?
Yes. It is completely free with no sign-up, no watermarks and no limits on the number of images.
Are my images uploaded to a server?
No. Your images are processed entirely inside your browser, so they never leave your device. That makes it private and very fast, even for large files.