Developer Tools
Collection of essential tools for developers. Fast, secure, and client-side only.
JSON Format
Format, validate, and minify JSON data.
JSON to TypeScript
Generate TypeScript interfaces from JSON data.
XML Format
Format, validate, and minify XML data.
Timestamp
Convert between Unix timestamp and human-readable dates.
Cron Builder
Build and understand cron expressions visually.
QR Code
Generate QR codes with custom colors.
Color Converter
Convert colors between HEX, RGB, HSL, and more.
Case Converter
Convert text between different case styles.
Base64
Encode and decode Base64 strings.
URL Encode
Encode and decode URL parameters.
Token Generator
Generate random tokens with custom character sets.
Hash Text
Calculate MD5, SHA-256, SHA-512 hashes.
Text Statistics
Get statistics about your text: characters, words, lines, bytes.
Text Diff
Compare two texts and see the differences side by side.
URL Parser
Parse URLs and extract all components and query parameters.
HTTP Status Codes
HTTP response status codes reference and search.
Text to Binary
Convert text to ASCII binary and vice versa.
Roman Numeral
Convert between Arabic numbers and Roman numerals.
Base Converter
Convert numbers between binary, octal, decimal, hex.
UUID Generator
Generate random UUIDs (v1, v4) for developers.
Markdown to HTML
Convert Markdown to HTML with live preview.
Lorem Ipsum
Generate placeholder text for your designs and mockups.
Slugify String
Convert any string into a URL-friendly slug.
JWT Parser
Decode and inspect JSON Web Tokens (JWT).
Regex Tester
Test and debug regular expressions with real-time matching.
Regex Cheatsheet
Quick reference guide for regular expressions.
Text to Unicode
Convert text to Unicode decimal entities and back.
Chmod Calculator
Calculate Linux file permissions in numeric and symbolic notation.
Password Strength
Analyze password strength with entropy and crack time estimation.
Basic Auth
Generate HTTP Basic Authentication header from credentials.
JSON to CSV
Convert JSON array data to CSV format for spreadsheets.
HMAC Generator
Generate HMAC with secret key using SHA-256, SHA-512.
Keycode Info
Find keycode, key, and code for any keyboard key.
cURL to Fetch
Convert cURL commands to JavaScript fetch or axios code.
String Escape
Escape/unescape strings for JSON, JS, HTML, XML, SQL, CSV.