Developer Tools
A suite of free, fast, and private tools built for developers. Every tool runs entirely in your browser — your data never touches a server.
Convert, analyze, generate — all in one place.
🔄Converters(10)
JSON ↔ CSV
Convert JSON to CSV or CSV to JSON instantly with nested object flattening.
JSON ↔ YAML
Convert between JSON and YAML formats with proper indentation.
JSON to Types / Zod
Convert JSON payloads into TypeScript Interfaces, Zod Schemas, Python Pydantic Models, and Go Structs.
SVG to JSX / React
Transform raw SVG code or icons into clean, typed React components (TSX / JSX).
cURL to Code
Convert cURL commands into Fetch, Axios, Python, Go, PHP, and Rust code.
Base64 Encode/Decode
Encode or decode Base64 strings instantly in your browser.
Image Converter
Convert between PNG, JPEG, and WebP formats client-side.
Markdown ↔ HTML
Convert Markdown to HTML or HTML to Markdown with live preview.
CSS Units & Fluid clamp()
Convert PX, REM, EM, VW and generate responsive fluid typography clamp() formulas and Tailwind classes.
HTML Entities & Escaper
Encode/decode HTML entities, unicode characters, and escape JSON/JavaScript strings in real-time.
🛠️Utilities(18)
SQL Formatter
Format, beautify, and minify SQL queries for PostgreSQL, MySQL, SQLite, and BigQuery.
URL Encoder / Parser
Encode, decode, and visually edit query string parameters with live table preview.
Mock Data Generator
Generate realistic fake datasets with custom schemas exported to JSON, CSV, or SQL.
JSON Formatter
Validate, format, and minify JSON with syntax highlighting.
Regex Tester
Test regular expressions with real-time highlighting and capture groups.
JWT Decoder
Decode JWT tokens and inspect header, payload, and expiration.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or files.
Password & Token Generator
Generate high-entropy secure passwords, API keys, webhook secrets, and crypto tokens.
UUID Generator
Generate UUID v4/v7 and ULID identifiers with one click.
Diff Viewer
Compare two texts or code snippets side by side with highlighting.
Timestamp Converter
Convert between Unix timestamps, ISO 8601, and relative dates.
Color Palette
Generate harmonious palettes and convert between HEX, RGB, HSL, Oklch.
Cron Builder
Build cron expressions visually with preview of next executions.
CIDR & Subnet Calculator
Calculate IPv4 subnet masks, usable host ranges, broadcast addresses, and binary network breakdowns.
User-Agent Inspector
Decode and inspect User-Agent strings, browser engine, operating system, hardware, and bots.
Bcrypt Hash & Verifier
Generate secure Bcrypt password hashes with custom salt rounds and test hash matches locally.
.env Formatter & .env.example
Format, validate, sort, and align .env variables. Generate sanitized .env.example files instantly.
Config & .gitignore Generator
Create tailored .gitignore files for any stack, robots.txt SEO rules, and Docker starters.
⚡AI-Powered(10)
AI Git Commit & PR Generator
Generate Conventional Commits messages, Gitmojis, and Pull Request descriptions from git diffs.
AI SQL Generator
Generate complex queries, joins, and index optimizations from natural language.
Code Analyzer
Paste code and get AI-powered quality analysis, suggestions, and security tips.
AI Regex Studio
Generate Regular Expressions from natural language or break down complex patterns token by token.
AI Database Schema Mapper
Convert SQL DDL queries and models to Prisma Schemas, Drizzle ORM, TypeORM, and Zod.
AI Unit Test Generator
Generate comprehensive unit test suites with mocks in Vitest, Jest, Pytest, or Go.
AI Code Refactor & Optimizer
Modernize legacy code to React 19/ES2024, optimize Big-O algorithms, and convert JS to TypeScript.
AI API Docs & OpenAPI Generator
Generate Swagger / OpenAPI 3.0 specs (YAML/JSON), Markdown developer guides, and typed JSDoc comments.
Code Generator
Describe what you need and get AI-generated code with explanations.
AI Error & Stack Trace Explainer
Paste any runtime exception, traceback, or compiler log and get root cause analysis and copyable code fixes.