Developer Tools
A complete suite of free, privacy-first utilities for developers. Every tool runs 100% in your browser — no signup, no upload, nothing ever leaves your device.
JSON Studio
Format, validate, repair, minify, diff and convert JSON to YAML/XML/CSV/TOML. Generate JSON Schema, TypeScript, Zod, Go & Python types.
Open toolRegex Studio
Test, generate, explain and debug regular expressions with live matching, group capture and a cheatsheet.
Open toolPassword Studio
Secure passwords, passphrases, JWT secrets, API keys and tokens — with entropy analysis and policy generation.
Open toolCSS Optimization Studio
Minify, format, validate and analyze CSS. Detect unused rules, calculate specificity and convert SCSS/SASS/LESS.
Open toolHTML Formatter & Code Quality Studio
Format, minify, validate and clean HTML. Accessibility checks, SEO analysis, DOM tree view and JSX/Markdown conversion.
Open toolStructured Data Intelligence Studio
Validate and visualize JSON-LD, Microdata and RDFa schema. Rich-results preview, entity graphs and AI-search readiness.
Open toolTailwind to React Converter
Convert Tailwind HTML to clean React JSX components — plus dedicated button, card, navbar, form and modal generators.
Open tool.htaccess Generator
Build Apache .htaccess configs visually: redirects, rewrites, caching, compression, security headers and more.
Open toolSpring Boot Cron Generator
Build and validate Spring @Scheduled cron expressions with a visual editor and human-readable explanations.
Open toolSpring Boot YAML Converter
Convert application.properties ↔ YAML, validate Spring Boot configuration and generate datasource/Kafka/Redis configs.
Open toolJava Record ↔ POJO Converter
Convert Java records to POJOs and back. Generate Lombok, builder, JPA entity, DTO and validation-annotated classes.
Open toolUUID Generator
Generate v4 UUIDs and GUIDs in bulk — cryptographically secure, instant, in-browser.
Open toolURL to HTML Hyperlink Generator
Turn URLs into ready-to-paste HTML anchor tags with custom text, target, rel and title attributes.
Open toolCSS Gradient Generator
Design linear, radial and conic gradients visually and copy production-ready CSS.
Open toolFont Generator
Fancy & stylish Unicode text fonts for Instagram, gaming & social media — copy & paste ready.
Open toolLorem Ipsum Generator
Dummy placeholder text by words, sentences, paragraphs or bytes — 25+ languages & styles.
Open toolGradient Text Generator
Style text with beautiful CSS gradients — live preview, color stops, angle control & PNG/SVG export.
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