Ontwikkelaarstools
Hulpmiddelen om software te bouwen.
Fake Data Mock User Generator
Free fake data and mock user generator — create realistic names, emails, addresses, and custom fields. Export JSON, CSV, or SQL. Private, in your browser.
Diff Checker
Compare two texts and highlight added, removed, and changed lines or words instantly in your browser.
SSL Checker
Inspect TLS certificates for any public hostname — expiry, issuer, chain, cipher, and hostname match.
UUID Generator
Generate RFC 4122 UUID v4 identifiers in bulk with optional uppercase and hyphen formatting.
HTML Formatter
Format and beautify HTML markup with indentation, readable tag breaks, and optional minification.
JWT Decoder
Decode JSON Web Tokens to inspect the header, payload, and claims instantly in your browser — no data leaves your device.
SQL Minifier
Minify SQL queries by removing extra whitespace and optional comments, with keyword casing controls.
Grid Generator
Configure CSS Grid layouts with live preview and copy-ready CSS, inline styles, and Tailwind classes.
CSS Animation Generator
Build @keyframes animations with live preview and copy-ready CSS, class rules, and animation shorthand.
Transform Generator
Compose CSS transform values for translate, scale, rotate, and skew with live preview and copy-ready CSS.
CSS Formatter
Format and beautify CSS stylesheets with indentation, readable rules, and optional minification.
Git Ignore Generator
Build a .gitignore file by combining templates for languages, frameworks, editors, and operating systems.