Compress WebP to 20KB
Compress files to 20KB directly in your browser with no upload required.
Select WEBP files
or drop files here
Maximum file size: 50MB per file
100% Secure
All processing happens in your browser. Your files never leave your device.
Super Fast
Process multiple files in seconds with our optimized browser-based tools.
High Quality
Keep your files clear and usable while reducing size or converting formats.
Compress, convert & crop images offline on iPhone - privacy-first, batch up to 200
Related Tools
Compressing WebP to Under 20 KB
The 20 KB target pushes WebP quality to about Q66 with dimensions near 800 px. WebP is one of the best choices at this extreme because it preserves more usable detail and transparency than JPEG for the same budget. This suits tiny thumbnails, placeholder images, inline icons, and progressive-loading previews. Expect visible softening but far less blocking than JPEG. For anything viewed at full size, increase the budget.
How to Use This Tool
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1
Select Your Files
Click the upload button or drag and drop your files into the upload area. You can select multiple files at once.
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2
Start Processing
Choose the settings you need, then start the tool. Processing happens in your browser and results appear in real time.
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3
Download the Results
Download your processed files individually or all at once when the task is complete. Your original files remain unchanged.
Frequently Asked Questions
Is a 20 KB WebP good for a thumbnail?
Yes — at small display sizes the softening is barely noticeable, and WebP beats JPEG quality-per-byte here. It is a strong choice for thumbnail grids.
Can I keep transparency at 20 KB?
Yes. WebP retains its alpha channel even at this budget, unlike JPEG, which makes it suitable for tiny icons and badges with transparency.
Why Choose Let Compress?
- No file upload required - 100% client-side processing
- Free to use with no registration needed
- Batch compress multiple files at once
- Optimized compression algorithms for best results
- Works on all modern browsers and devices
- No file size limits or compression quotas
Learn More About Image Compression
Explore these authoritative resources to deepen your understanding of image compression and optimization.
MDN Web Docs: Image Optimization
Comprehensive guide on image optimization for web performance by Mozilla.
Google Web Fundamentals: Image Optimization
Best practices for image optimization from Google's web performance team.
W3C WebP Specification
Official W3C specification for the WebP image format.