All Developer Tools
35 tools · 100% free · no sign-up · client-side only
Tier 1 – Build These First
JWT Decoder
Decode and inspect JWT tokens instantly
UUID Generator
Generate UUIDs in v1, v4, and v7 formats instantly
Cron Parser
Parse cron expressions into plain English and generate cron schedules with a visual builder
Regex Tester
Test regular expressions with real-time match highlighting, named groups, and plain-English explanation of each part
Timestamp Converter
Convert Unix timestamps to human-readable dates and back
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, Title Case, and more instantly
Hash Generator
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) from any text
Diff Checker
Compare two texts side-by-side with highlighted differences
Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal instantly
Slug Generator
Convert any text to URL-friendly slugs
Tier 2 – High Volume Tools
JSON Formatter
Format, validate, beautify, and minify JSON instantly
XML Formatter
Format and validate XML with syntax highlighting
YAML Formatter
Format and validate YAML
Base64 Encoder/Decoder
Encode and decode Base64 text and images
SQL Formatter
Format and beautify SQL queries with proper indentation
HTML Formatter
Format, beautify, and minify HTML
CSS Minifier
Minify or beautify CSS
JS Minifier
Minify or beautify JavaScript
URL Encoder/Decoder
Encode and decode URLs and query strings
Color Picker
Pick colors visually and convert between HEX, RGB, HSL, and CMYK
Tier 3 – Nice to Have Tools
CSV to JSON
Convert CSV to JSON and JSON to CSV
Markdown Preview
Write Markdown and see live HTML preview
HTML Entity Codec
Encode and decode HTML entities
Lorem Ipsum
Generate Lorem Ipsum placeholder text by words, sentences, or paragraphs
Password Generator
Generate strong, random passwords with custom length, character sets, and pronounceability
QR Generator
Generate QR codes for URLs, text, WiFi, contact cards, and more
Text Counter
Count words, characters, sentences, paragraphs, and reading time
Line Sorter
Sort lines alphabetically, numerically, or by length
String Escape
Escape and unescape strings for JavaScript, JSON, HTML, SQL, and regex
Favicon Generator
Generate favicons from text, emoji, or uploaded images
CSS Gradient
Generate linear, radial, and conic CSS gradients with a visual editor
Box Shadow Generator
Visually generate CSS box-shadow and border-radius
User-Agent Parser
Parse any User-Agent string to detect browser, OS, device type, and rendering engine
HTTP Status Codes
Complete reference for all HTTP status codes with descriptions, use cases, and examples
Meta Tag Generator
Generate SEO meta tags, Open Graph, and Twitter Card tags
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Developer Tools
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