A comprehensive collection of 24+ developer utilities and SDK tools. Generate IDs, hash passwords, decode JWTs, compare JSON, test regex, and more.
Our toolkit is designed with the modern developer in mind. Fast, secure, and accessible anywhere, ensuring your workflow remains uninterrupted and private.
All tools run entirely in the browser with zero server latency. No data ever leaves your machine, ensuring maximum speed.
Nothing is stored or tracked. Your sensitive data stays in your browser session and is never sent to any external server.
Full offline support after the initial load. No sign-up required. Free and open-source for all developers globally.
Create unique identifiers, mock data, placeholder text, and QR codes
Generate UUID v4, CUID, NanoID, ULID and more unique identifiers
Generate random user profiles, addresses, and structured JSON data
Generate valid random Thai Citizen ID numbers for testing
Generate placeholder text in paragraphs, sentences, or words
Create customizable QR codes for URLs, WiFi, vCards, and more
Secure your data with password generation, hashing, and encryption algorithms
Create strong passwords with custom rules and character sets
Securely hash passwords with bcrypt, Argon2, scrypt, or PBKDF2
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text
Generate HMAC with custom secret keys and hash algorithms
Encrypt and decrypt text with AES-GCM or AES-CBC using a secret key
Encode, decode, and transform data between formats like Base64, URL, JWT, and number bases
Encode/decode Base64 strings and images with live preview
Encode and decode URL components and query strings
Decode JWTs and inspect header, payload, and claims in detail
Build and sign JSON Web Tokens with custom payload and claims
Convert between binary, octal, decimal, and hexadecimal
Format, validate, compare, and convert your JSON data
Prettify, minify, and validate JSON data with syntax highlighting
Generate TypeScript interfaces from JSON data automatically
Generate JSON Schema (Draft-07) from sample JSON data
Compare two JSON objects side-by-side and see a detailed diff
Convert data between CSV and JSON formats with advanced options
Enhance your frontend with CSS generators, color converters, and SEO tools
Create beautiful linear, radial, and conic CSS gradients visually
Convert CSS units (px, rem, em, vw, vh) with custom context
Convert between HEX, RGB, HSL, and other color formats
Preview OG cards, score SEO, check best practices, generate manifest.json, and export favicon assets
Analyze, modify, and test strings, regex patterns, and markdown files
Case conversion, character count, reverse, and text manipulation
Test regular expressions with real-time highlighting and match details
Compare two text blocks and highlight additions, removals, and changes
Real-time Markdown editor with live preview and GitHub Flavored Markdown support
Work seamlessly with timestamps, timezones, and cron expressions
Convert and compress images and files efficiently
Inspect and troubleshoot your network with IP and geolocation tools