Compress HEIC to 20KB
Compress files to 20KB directly in your browser with no upload required.
Select HEIC/HEIF 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 HEIC to Under 20 KB
The 20 KB target converts HEIC to WebP at low quality with dimensions near 800 px. Double compression (HEIC source plus lossy output) means visible softening, so reserve this for tiny thumbnails and placeholders from iPhone photos. The tool prefers WebP to maximize quality at this budget. For any image users view at full size, choose a larger target — 20 KB is strictly for small previews.
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 20 KB from an iPhone HEIC usable?
Only as a tiny preview. iPhone HEICs are detailed; reaching 20 KB discards most of that detail. Use 100 KB or more for anything sizable.
Why is my HEIC output WebP, not HEIC?
WebP is more broadly supported and meets tiny budgets efficiently. Keeping HEIC risks not displaying in some browsers at all.
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.