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Description
45+ developer utilities in one fast, private popup — no servers, no tracking, no clutter. DevKit brings the small utilities developers reach for all day into one fast popup, so you stop installing a separate extension for every little task. Open it, search or pick a tool, and go. Everything lives in a searchable sidebar with favorites and a recent list, so what you need is always a click away. What you can do with DevKit: • Format, validate, and explore JSON and other data, and decode tokens. • Generate IDs, hashes, secure passwords, and QR codes — all on your own machine. • Compare two things — text, data, or images — and see exactly what changed. • Work with color: convert formats, pick any pixel on screen, and check contrast. • Clean up and reshape text. • Inspect the page you're on and audit it for SEO and performance. Private by design DevKit runs entirely in your browser. It makes no network requests — no servers, no analytics, no accounts, and no data collection. It asks for only three narrow permissions (activeTab, scripting, storage), and it acts on a page only when you click a tool. Free and open source, with dark and light themes and a keyboard shortcut (Alt+Shift+D).