I created a polished Medium-style version already. Here’s a DEV.to optimized version — more developer-focused, slightly more technical, cleaner formatting, and written in a style that performs well on DEV Community. Compress massive images without uploading anything to a server Every developer eventually runs into this problem. You have: Huge product photos Design assets from Figma DSLR images Screenshots for documentation Client uploads that are absurdly large And suddenly: Your CMS rejects uploads Your website becomes slow Your Git repository balloons in size Your email attachment limit explodes So you search for an “online image compressor”. Then comes the part nobody talks about: You’re uploading potentially sensitive files to random third-party servers. I didn’t love that idea. So I built ImageSquash Pro — a completely client-side bulk image compressor that works directly inside the browser. No uploads. No backend. No analytics. No tracking. Just drag, drop, compress, and download.…