A few months ago I got frustrated. Every time I needed a quick developer tool — format some JSON, generate a UUID, check a redirect chain — I'd end up on some sketchy site that was slow, plastered with ads, and (worst of all) sending my data to a server I knew nothing about. So I did what any developer would do: I built my own. Today, WebToolkit Pro is live at wtkpro.site with 40+ free tools — and everything runs 100% in your browser. Zero data leaves your machine. The problem I was solving Most online developer tools share the same sins: They process your data server-side (sending your JWT tokens, passwords, and code snippets to a random server) They require sign-up to use basic utilities They're slow, cluttered, and ad-heavy My goal was simple: build a fast, privacy-first toolkit where every tool runs locally in the browser. No account. No tracking. No friction.…