Compress an Image to 20KB Online (Free)
Favicons, button icons and email signatures rarely matter at more than 20KB — but many editors save them at ten times that size. Our browser-based compressor brings JPG, PNG and WebP files under 20KB in seconds, straight on your device.
Try the free tool now
100% in your browser — no upload, no account, no watermark.
Open Compress Image to 20KB OnlineWhy compress an image to 20KB?
20KB files load instantly, keep your HTML light and are the recommended ceiling for favicons, inline SVG-like logos and thumbnails inside markdown. Dark-mode favicon support and app shortcuts both appreciate a tiny file.
How to compress an image to 20KB
- Open the Compress Image tool.
- Drop the image (JPG, PNG or WebP).
- Lower the quality slider until the live preview reads under 20KB.
- Download the result.
If the image is a wide photo, resize it first to the size where it will be displayed — a favicon is 16-32px, so a 1024px source wastes most of your budget.
Transportable and private by design
Because processing happens in your browser, no pixel ever leaves your device. That makes this the safe choice for logo redraws and client branding files.
No account, no queue and no watermark — a real free 20KB image compressor.
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Frequently Asked Questions
What is the best format to reach 20KB?
WebP shrinks further than JPG and PNG for logos and flat graphics. Convert to WebP first when the compressor alone is not enough.
Can I keep transparency under 20KB?
Yes. PNG and WebP preserve the alpha channel, so transparent favicons and badges stay transparent at tiny sizes.
Is 20KB enough quality for a favicon?
Favicons display at 16 to 64 pixels — even 5-10KB is comfortable. Quality loss becomes invisible at that scale.