Developer Tools
A collection of tools to streamline your development workflow.
Service Worker Boilerplate Builder
Generate a production-ready service worker with best practices for caching, offline support, and more.
Barcode Generator
Generate barcodes from text with various formats including CODE128, EAN13, UPC, and more.
QR Code Generator
Generate QR codes for URLs, text, email, phone, SMS, and WiFi credentials with instant download.
Markdown Editor
Free online markdown editor with live preview, local storage, drag-drop import, and ready-made templates. Includes Gen AI templates for system prompts, prompt engineering, and AI agent specifications for developers, testers, and product managers.
.env File Validator
Validate, convert, and generate .env files with type checking, secret detection, and framework presets.
.env File Compare
Compare two .env files side-by-side, identify differences, and sync variables between development, staging, and production environments.
.env File Converter
Convert .env files between JSON, YAML, JavaScript, and .env.example formats. Bidirectional conversion with drag & drop support.
OpenGraph Preview Tool
Preview how your links appear on Facebook, Twitter/X, LinkedIn, Slack, and WhatsApp. Validate metadata, analyze images, and debug social sharing cards.
JSON Formatter
A simple tool to format and beautify JSON data.
JSON Compare
Compare two JSON objects and highlight the differences.