Free privacy-first developer tools & blog: JSON formatter, PDF tools, Base64, RegEx tester, Hash generator, URL encoder, Markdown converter, Color picker. All client-side processing.
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Updated
Dec 10, 2025 - TypeScript
Free privacy-first developer tools & blog: JSON formatter, PDF tools, Base64, RegEx tester, Hash generator, URL encoder, Markdown converter, Color picker. All client-side processing.
A clean and modern RegEx playground built with Next.js 14, TypeScript, Tailwind CSS, and shadcn/ui. Test, debug, highlight, and understand regular expressions with an intuitive UI, real-time matching, pattern library, and token-by-token regex explanations.
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