100kb-sdk is a client-side WebAssembly image & PDF optimizer for React, Next.js, and HTML. Instead of paying Cloudinary $99/mo, it compresses files 100% in browser RAM in ~25ms before S3 upload. Key Features: • Exact target-KB bisection (e.g. 50KB, 100KB) • Bypasses Vercel's 4.5MB payload limit • 100% GDPR compliant (files never leave device) • Cuts AWS S3 and Lambda costs by 85% • Includes <100kb-uploader> Web Component Free on npm with optional white-label license.