100% Client-Side WebAssembly • Zero Uploads
Reduce Image Size in KB
Type your exact required file size limit in KB and let our binary search engine optimize your image quality in milliseconds.
Drop files here or click to select
Processed 100% locally on your device with WebAssembly
How It Works: 3 Simple Steps
1
Enter target size in KB
Type any custom file size (e.g. 35 KB, 75 KB, 150 KB).
2
Upload images
Drag and drop your photos into the processing area.
3
Instant guaranteed reduction
BatchPixel downscales and compresses to strictly meet your custom limit.
Frequently Asked Questions
Can I set any arbitrary KB size limit?
Yes, you can specify any target from 5 KB up to 5,000 KB. The engine dynamically tests quality parameters to match your exact ceiling.