Developer Tools
Essential utilities for developers — generators, encoders, and more.
Password Generator
Generate strong, secure random passwords with custom length and character options.
UUID Generator
Generate universally unique identifiers (UUID v4) instantly.
Base64 Encoder
Encode and decode text to/from Base64 format instantly in your browser.
SHA256 Generator
Generate SHA-256 hash for any text input using the Web Crypto API.
Regex Tester
Test regular expressions in real-time with match highlighting and group extraction.
Cron Generator
Build and understand cron expressions with an intuitive visual editor.
Timestamp Converter
Convert between Unix timestamps and human-readable dates instantly.
Color Picker
Pick colors and convert between HEX, RGB, and HSL formats.
Random String Generator
Generate random strings with custom length and character sets.
JWT Decoder
Decode and inspect JWT tokens — view header, payload, and expiry details.
CSS Gradient Generator
Create beautiful CSS gradients visually and copy the code instantly.
JSON to CSV
Convert JSON arrays to CSV format and download the file instantly.
Meta Tag Generator
Generate SEO meta tags, Open Graph, and Twitter Card tags for your website.
URL Encoder / Decoder
Encode and decode URLs with support for encodeURI and encodeURIComponent.
HTML Entity Encoder
Encode and decode HTML entities like &, <, and special characters.
YAML ↔ JSON Converter
Convert between YAML and JSON formats bidirectionally.
XML to JSON
Convert XML documents to JSON format using browser-native DOMParser.
SQL Formatter
Format and beautify SQL queries with dialect and indentation options.
HMAC Generator
Generate HMAC signatures using Web Crypto API with SHA-256, SHA-1, and SHA-512.
Bcrypt Hash Generator
Generate and verify bcrypt password hashes with configurable salt rounds.
JSON Viewer / Tree
Visualize JSON data as an interactive, collapsible tree with color-coded types.
HTTP Status Codes
Browse and search all HTTP status codes with descriptions and categories.
.env File Editor
Visual editor for .env files with key-value pair management.
Code Diff Checker
Compare two code blocks and highlight differences with color-coded output.
Screen Recorder
Record your screen directly in the browser using the MediaRecorder API.
Color Contrast Checker
Check color contrast ratios for WCAG 2.1 accessibility compliance.
CSS Glassmorphism Generator
Create stunning frosted-glass UI effects with a live preview and copy the CSS.
Data Leak Checker
Scan text for accidentally exposed secrets, API keys, emails, and personal data.
JSON Schema Generator
Auto-generate JSON Schema from a sample JSON object with type and format detection.
Open Graph Preview
Preview how your page will look when shared on social media and generate OG meta tags.
CSV Viewer & Editor
View CSV data as a searchable table — upload files or paste data directly.
API Response Mocker
Create mock JSON API responses for testing — with templates and validation.
Responsive Design Tester
Preview any website on different device sizes — from iPhone SE to 4K Desktop.