Target-KB Image Compressor
Compress images to strictly under 20 KB, 50 KB, 100 KB, or custom file size with instant binary search quality tuning and automatic dimension fallback.
Drop files here or click to select
Processed 100% locally on your device with WebAssembly
How It Works: 3 Simple Steps
Drop or select your images
Drag and drop your JPG, PNG, WebP, or HEIC images into the designated area.
Pick target size in KB
Select 20KB, 50KB, 100KB, 200KB or enter any custom target KB cap.
Download compressed images
Download individual optimized files or export all images together as a single ZIP.
Frequently Asked Questions
How is BatchPixel 100% private with zero server uploads?
BatchPixel runs entirely inside your browser using WebAssembly. Your photos and documents never touch a cloud server or external database.
How does Target-KB compression guarantee the exact file size limit?
Our binary search engine tests image compression qualities and applies gradual dimensional scaling if required, ensuring the output file is guaranteed to remain strictly under your specified KB target.
Are there any limits on daily batch conversions?
No limits or paywalls. Because processing happens locally on your computer or phone CPU, you can convert and compress unlimited photos completely free.
Can I convert Apple HEIC photos to JPG or PNG?
Yes, BatchPixel includes a native client-side HEIC decoder that converts Apple iPhone HEIC/HEIF pictures into standard JPG or PNG files instantly.