About Us
High-precision client-side image size optimization & dimension alteration.
100% Client-Side Privacy
Your photos are processed strictly inside your web browser using HTML5 Canvas and ArrayBuffer manipulation. No image data is ever uploaded or transmitted to external servers.
Exact Target File Size Matching
Need a file to be exactly 500 KB for an official form portal? KB Photoresizer uses binary search compression and custom segment padding to match your exact requested file size in KB or MB.
Custom Dimension & Upscaling
Force exact width and height pixel dimensions with high-quality cubic interpolation smoothing, even when significant upscaling is required.
Universal Format Support
Supports all major web formats: JPG, JPEG, PNG, and SVG vector images, preserving output quality and transparency.