Developer Tools

Easily encode text and images to Base64 and decode Base64 back. Our free online tool supports UTF-8, image to Base64, and file to Base64 conversions. Fast, secure, and simple to use.

Easily encode and decode URLs with our free online tool. Convert special characters for safe web transmission (percent-encoding) or decode them back to a readable format. Fast, simple, and reliable.

Generate md5 hash instantly with our free md5 generator online. Create md5 checksum in 32-bit and 16-bit formats. Generate md5 for file integrity checks, password hashing, and data verification. Fast, secure md5 hash online tool.

Easily generate, decode, and inspect JSON Web Tokens (JWT). Our online tool supports HS256, HS384, and HS512 algorithms for secure token creation and analysis.

Convert coordinates to geohash and decode geohash to lat/long instantly. Free online geohash converter with interactive map visualization, precision control (1-12), and neighbor cell display. Perfect for developers and GIS professionals.

Instantly convert timestamp to date and date to timestamp online. Free epoch time converter supporting seconds, milliseconds, nanoseconds. Convert timestamp to human-readable date in GMT and Local time. The best online Unix timestamp to date tool for developers.

Display the current time in multiple cities on a single dashboard.

Convert between different units of measurement including length, weight, volume, area, temperature, and more.

Convert numbers between different bases including Binary, Octal, Decimal, Hexadecimal, Base32, Base58, and Base62. Supports arbitrary precision conversion.

Test and debug regular expressions online with real-time highlighting and replacement preview.

Convert XML to JSON format instantly with our free online tool. Supports complex XML structures with attributes, nested elements, and arrays. 100% client-side processing for complete privacy.

Convert JSON to XML format instantly with our free online tool. Generate well-formatted XML from JSON data with proper indentation. 100% client-side processing for complete privacy.

Format and beautify SQL queries online. Supports MySQL, PostgreSQL, SQLite, and more.

Generate QR codes for free with our powerful online tool. Support for URLs, WiFi, vCards, email, phone numbers, and plain text. Customize colors, add your logo, and download in PNG or SVG format.

Generate UUIDs instantly with our free online tool. Supports UUID v1, v4, Nil versions. Bulk generate up to 1000 UUIDs. Multiple formats available. Fast and secure.

Free online color picker and converter tool. Convert between HEX, RGB, HSL, HSV color formats instantly. Generate color palettes, pick colors visually, and copy color codes with one click.

Generate and parse cron expressions online for free. Visual cron job scheduler with next execution times, syntax validation, and common presets. Perfect for Linux, Unix, and cloud scheduling.

Free online text diff tool to compare two texts and find differences. Supports line-by-line, word-by-word, and character-by-character comparison. Highlight additions and deletions instantly.

Generate hash values instantly with our free online tool. Supports MD5, SHA-1, SHA-256, SHA-512, SHA-384, SHA3, RIPEMD-160 algorithms. Calculate hashes for text and files. Fast, secure, and easy to use.

Generate strong, secure random passwords instantly with our free online tool. Customize length, character types, and generate multiple passwords at once. 100% client-side, your data never leaves your browser.

Convert YAML to JSON format instantly with our free online tool. Supports complex YAML structures with nested objects, arrays, and multi-line strings. 100% client-side processing for complete privacy.

Convert JSON to YAML format instantly with our free online tool. Generate clean, human-readable YAML from JSON data. 100% client-side processing for complete privacy.

Convert JSON to TOON format to reduce LLM token consumption by up to 50%. TOON (Token-Oriented Object Notation) is optimized for AI/LLM input with compact tabular arrays. Free online tool with real-time token savings display.

Convert TOON (Token-Oriented Object Notation) back to standard JSON format. Parse LLM-optimized compact data into readable JSON. Free online tool with syntax validation and instant conversion.

Free online Lorem Ipsum generator to create placeholder text for your designs, mockups, and prototypes. Generate paragraphs, sentences, words, or lists instantly. No registration required.

Free online Markdown editor with real-time preview. Write and preview Markdown instantly, export to HTML or download as .md file. Supports tables, code blocks, and all standard Markdown syntax.

Free online HTML entity encoder and decoder. Convert special characters to HTML entities for safe display in web pages. Encode or decode HTML entities instantly.

Free online JavaScript formatter and minifier. Beautify, format, and compress JS code instantly. Supports ES6+ syntax with customizable indentation options.

Free online CSS formatter and minifier. Beautify, format, and compress CSS code instantly. Clean up stylesheets with customizable indentation options.

Look up any IP address to find its geolocation, ISP, timezone, and network information. Detect your own IP address instantly. Free online tool, no signup required.

Convert text to ASCII codes, Unicode code points, hexadecimal, binary, and HTML entities. Includes ASCII table reference. Free online tool, no signup required.