Developer
Essential utilities for developers: JSON formatter, Base64, UUID, Hash, JWT, regex tester, formatters, and more.
UUID Generator
Generate cryptographically random UUID v1, v3, v4, and v5 identifiers for databases, APIs, and unique record IDs.
→JSON Formatter
Format, validate, beautify, and minify JSON data with syntax highlighting and error detection.
→Base64 Encoder
Encode any text or file to Base64 format for safe data transmission, embedding, and storage.
→Base64 Decoder
Decode Base64 strings back to their original text or binary format with validation and error reporting.
→JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, and signature with no data leaving your browser.
→Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text input using the Web Crypto API.
→Password Generator
Generate cryptographically strong random passwords with custom length, characters, and entropy analysis.
→UUID Validator
Validate UUID/GUID strings. Check version (v1-v7), variant, and detect malformed identifiers.
→JSON Validator
Validate JSON syntax and get detailed error messages with line and column numbers.
→JSON to CSV Converter
Convert JSON data to CSV format for Excel, Google Sheets, and data analysis.
→CSV to JSON Converter
Convert CSV data to JSON format for APIs, databases, and modern applications.
→Regex Tester
Test regular expressions with real-time highlighting of matches, groups, and capture groups.
→HTML Formatter
Format, beautify, and minify HTML code with proper indentation and structure.
→CSS Minifier
Minify CSS code to reduce file size and improve page load times. Compress whitespace, comments, and selectors.
→JavaScript Minifier
Minify JavaScript code by removing whitespace, comments, and optimizing for production.
→XML Formatter
Format, beautify, and validate XML documents with proper indentation and error detection.
→SQL Formatter
Format and beautify SQL queries for better readability. Supports MySQL, PostgreSQL, SQL Server.
→HTML Entity Encoder/Decoder
Encode and decode HTML entities for special characters, symbols, and safe HTML display.
→URL Encoder/Decoder
Encode and decode URLs for safe transmission. Handle percent-encoding, query strings, and special characters.
→Markdown Preview
Write Markdown and see live preview with syntax highlighting. Export to HTML.
→Text Diff Checker
Compare two text files and highlight differences line by line with add/remove indicators.
→Cron Expression Generator
Generate and explain cron expressions for scheduling tasks. See next execution times and human-readable descriptions.
→User Agent Parser
Parse and analyze User-Agent strings to detect browser, OS, device, and bot information.
→IP Address Lookup
Look up IP address information including geolocation, ISP, timezone, and network details.
→Lorem Ipsum for Developers
Generate realistic developer content: API names, function names, JSON examples, HTTP responses.
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