Compress Image to Exact KB Size
The fastest way to compress JPEG, PNG, and WebP to 20kb, 50kb, or 100kb.100% Private - Your photos never leave your device.
Select/Drop images here
JPG, PNG, WebP supported • Smart Scaling
100% Private
Compression happens in your browser. No server uploads, total security.
Instant Speed
No waiting for uploads or queues. Get your optimized image in milliseconds.
Smart Scaling
Auto-detects Passport or Signature modes to ensure perfect results every time.
Quality First
Smart algorithms preserve face clarity and document legibility even at low KB.
Why Choose KB Compressor?
Many government forms, job applications, and student portals require images to be within a very strict file size limit (often less than 20kb or 50kb). Standard compressors often fail because they only offer a generic "quality" slider.
KB Compressor is built to solve this problem. Our tool uses iterative smart scaling to precisely match your target KB size while maintaining the required physical dimensions. Whether you need to compress a passport photo to 50kb or a signature to 20kb, our tool handles it automatically.