Compress Image to 20 KB — Free, Instant, Private
Compress any photo to 20 KB — free, instant, and 100% private. Your image never leaves your device. At 20 KB, expect visible JPEG compression on large source images. Use a clean, well-lit photo for best results.
✓ Free · ✓ No upload · ✓ Works offline in your browser
Drop image here or click to upload
JPG, PNG, WebP — compressed entirely in your browser
When to Use 20 KB Images
20 KB is the strictest file size limit found on government portals and competitive exam registration sites — common in India (UPSC, SSC, banking exams) and similar systems that require tiny passport-format photos.
| Use Case | Notes |
|---|---|
| UPSC / SSC exam registration | Typically 20 KB or smaller |
| Banking / competitive exam portals | Strict 20 KB limit common |
| Micro-thumbnail for grid displays | Loads fast on slow connections |
| Email signature icon | Keeps email size small |
Note: At 20 KB, expect visible JPEG compression on large source images. Use a clean, well-lit photo for best results.
Frequently Asked Questions
How do I compress an image to 20 KB for free?
Upload your image above — the tool is pre-set to 20 KB. Click "Compress Image" and download the result. Everything runs in your browser. Free, private, and instant.
Why do I need to compress an image to 20 KB?
20 KB is the strictest file size limit found on government portals and competitive exam registration sites — common in India (UPSC, SSC, banking exams) and similar systems that require tiny passport-format photos.
Will compressing reduce image quality?
Compressing to 20 KB uses JPEG quality reduction. The tool always uses the highest quality that fits within your target. For targets like 50–200 KB, quality is excellent. For very small targets like 20 KB, expect some visible compression on large source images.
What image formats are supported?
Upload JPG, PNG, or WebP — the tool compresses to JPG output. For PNG with transparency, the transparent areas become white in the compressed JPG.
Is my image uploaded to a server?
No. All compression runs locally in your browser using the HTML Canvas API. Your photo never leaves your device.