Batch JPG Quantizer
Professional-grade batch color quantization for PNG, JPG, WebP, and AVIF. Reduce file size or create retro styles entirely in your browser.
Drop your images here
Supports PNG, JPG, WebP, AVIF and more. Process hundreds of files at once.
Try with Examples
Loaded Gallery
Editor Studio
Image List
| Preview | Image Info | Original | Status | Actions |
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Interactive Editor
Tool Settings
Specify the target number of colors for quantization.
Enter a custom list of colors (one per line).
Why Use Color Quantization?
Color quantization reduces the number of distinct colors in an image, which is essential for shrinking file sizes and optimizing performance. Our tool uses smart algorithms to map complex color ranges to a compact palette, making your PNG and JPG assets lighter without compromising their core visual appeal.
Total Creative Control
Choose between automated palette generation or full manual control. Use our Auto Mode to quickly find the best representative colors, or switch to Manual Mode to apply your own custom branding or artistic palettes for consistent design across all your assets.
Safe, Fast & Browser-Based
Experience the power of local processing. All image transformations happen directly in your browser, meaning your private data never leaves your computer. Process hundreds of files in parallel with zero upload delay and immediate visual results.
Advanced Optimization Tools
Smart Palettes
Instantly generate optimized color schemes that maintain the artistic integrity of your graphics while significantly reducing data weight.
Precision Tuning
Fine-tune the number of colors to find the perfect balance between image quality and file size for every project.
Grayscale & Mono
Convert any colorful image into a stylized monochromatic asset using advanced grayscale quantization techniques.
Export & Batch
Download your optimized files individually or as a batch ZIP. Supports PNG, JPG, WebP, AVIF, BMP, and more.