Browser-only image tool
Compress WebP to 50 KB
Compress any WebP image to 50 KB right in your browser. Better quality than JPG at the same size — transparency preserved. Ideal for web thumbnails, app icons, and social media profile images. No upload, no signup.
This tool is pre-configured for a 50 KB WebP target. Open the compress tool →
How it works (3 steps)
- Upload your WebP image. The file stays in your browser — it is never sent to any server.
- Confirm 50 KB target. The tool adjusts WebP quality until the file lands at or under 50 KB. Use the quality slider for manual control.
- Download your compressed WebP. Same format, transparency preserved, smaller file. Ready to use on any website or app.
Perfect for...
- Web thumbnail images where load speed matters and 50 KB is the target budget
- App icons and small UI images that must stay under a 50 KB limit
- Social media profile images in WebP format
- Blog post thumbnails optimized for fast page loading
Tips for the best WebP at 50 KB
- WebP outperforms JPG at 50 KB — for profile images and thumbnails at 300×300 px, WebP at 50 KB looks clearly sharper than JPG at the same size.
- Transparent WebP stays transparent — unlike JPG, WebP preserves the alpha channel even after compression. Use it for logos, icons, and product images with no background.
- Check browser support before deploying — all modern browsers support WebP, but very old browsers (IE 11, older Safari) do not. Provide a JPG fallback if you need to support legacy browsers.
- Resize before compressing for better results — if your source is a large image, resize it to the display dimensions first (e.g. 300×300 px for a thumbnail), then compress to 50 KB for the best quality-to-size ratio.
FAQ
Can I compress WebP images directly in the browser?
Yes — UploadReady compresses WebP files entirely in your browser using the Canvas API. No uploads, no plugins. Works in all modern browsers including Chrome, Edge, Firefox, and Safari 14+.
How does WebP compare to JPG at 50 KB?
WebP typically produces noticeably better quality than JPG at the same file size. At 50 KB, WebP retains sharper edges, smoother gradients, and fewer compression artifacts than an equivalent JPG.
Does compressing WebP to 50 KB lose the transparency?
No — WebP preserves the alpha channel in both lossless and lossy compression modes. Your transparent areas remain transparent after compression, unlike JPG which cannot store transparency at all.
Why does WebP at 50 KB look better than JPG at 50 KB?
WebP uses VP8-based compression that is 25–35% more efficient than JPEG at equivalent quality. At 50 KB, this means sharper edges and fewer blocky artifacts compared to JPG.
How do I batch compress WebP files to 50 KB?
UploadReady processes one file at a time for privacy. For large batches, process individually (under 5 seconds each) or use Google's command-line cwebp tool for folder-level batch processing.