I Built 24+ Free Developer Tools That Run in Your Browser — Here's the Full Stack

I got tired of jumping between 10 different websites every time I needed to format JSON, encode Base64, test a regex, or check DNS records. So I built DevPik — a collection of 24+ free developer tools, all in one place. No signups, no ads, no data leaving your browser. Here's what I built, how I built it, and what I learned. What's Inside Text Tools (9) Word Counter — words, characters, sentences, paragraphs Case Converter — uppercase, lowercase, title case, camelCase, snake_case Text Diff — compare two texts side by side Slug Generator — SEO-friendly URL slugs from any text Markdown Converter — markdown to clean HTML Lorem Ipsum Generator — placeholder text for designs Text Repeater — repeat any text N times Text to HTML — plain text to formatted HTML Unicode Text Converter — fancy fonts for social media bios Developer Tools (12) JSON Formatter — format, validate, beautify with tree view Regex Tester — real-time match highlighting, capture groups, cheat sheet Base64 Encoder/Decoder UR