Developer Tools

Format, beautify, and validate your JSON data instantly in the browser.

Instantly encode any text into Base64 format, or decode a Base64 string back to readable text.

Safely encode URLs to pass data in query strings, or decode messy URLs back into readable text.

Generate cryptographically secure v4 UUIDs for your databases and applications.

Compress messy CSS code to save space or expand minified CSS into readable code.

Safely encode HTML characters or decode HTML entities back to renderable text.

Easily convert HEX color codes (e.g., #FFFFFF) into RGB formats. Free, fast, and completely secure online tool.

Visually design CSS box shadows and easily copy the generated code. Free, fast, and completely secure online tool.

Easily convert RGB values (Red, Green, Blue) into HEX color codes format.

Convert numbers seamlessly between Decimal, Binary, Hexadecimal, and Octal formats.

Compress your HTML code by removing whitespace and comments to save space.

Decode JSON Web Tokens (JWT) to safely inspect their payload and header.

Convert Unix epoch timestamps to human-readable dates and vice versa. Free, fast, and completely secure online tool.

Break down any URL into its components (Protocol, Host, Path, Query Parameters).

Convert flat JSON arrays into comma-separated values (CSV) format. Free, fast, and completely secure online tool.

Convert CSV text data into a structured JSON array. Free, fast, and completely secure online tool.

Test regular expressions against your text to see real-time matches. Free, fast, and completely secure online tool.

Compress your JSON data into a single line to save space. Free, fast, and completely secure online tool.

Encode or decode text using the classic ROT13 substitution cipher. Free, fast, and completely secure online tool.

Visually pick rwx permissions and instantly get the Unix chmod numbers.

Convert YAML markup into JSON objects. Free, fast, and completely secure online tool.

Visually create and edit markdown tables. Free, fast, and completely secure online tool.

Decode HTML entities back to characters. Free, fast, and completely secure online tool.

Generate large batches of v4 UUIDs at once. Free, fast, and completely secure online tool.

Convert SQL INSERT statements into CSV format. Free, fast, and completely secure online tool.

Automatically format and indent messy SQL queries for readability. Free, fast, and completely secure online tool.

Instantly convert XML structures into JSON format. Free, fast, and completely secure online tool.

Convert JSON data back into XML format. Free, fast, and completely secure online tool.

Create mock JSON Web Tokens with custom payloads for testing. Free, fast, and completely secure online tool.

Translate CRON strings into human-readable text. Free, fast, and completely secure online tool.

Convert raw HTML code into React JSX syntax instantly. Essential for React and Next.js developers.

Beautify and format messy JavaScript and TypeScript code into clean, readable code.

Compress and minify your JavaScript code to reduce file size and improve website load times.

Minify your CSS stylesheets to remove whitespace and comments for faster page loads.

Beautify and properly indent messy XML data so it is easy to read and understand.

Test and evaluate JSONPath expressions against JSON data directly in your browser.

Convert special characters, symbols, and HTML markup into safe HTML entities.

Inspect character codes, ASCII values, Hex representations, and 8-bit binary bytes side by side.

Format, beautify, and indent complex SQL queries with custom keywords capitalization and indentation.

Calculate IPv4 subnet masks, usable host ranges, CIDR notation, and network/broadcast IPs.

Interactive regex syntax cheatsheet with instant pattern matching tester and regex tokens guide.

Convert 128-bit UUID strings into raw hexadecimal bytes, decimal BigInt, and compact Base64 tokens.

Instant lookup for HTTP response codes (1xx-5xx), status meanings, and debugging guidelines.

Encode and decode raw text or hex data to Base58 format used in Bitcoin and IPFS hashes.

Convert SQL CREATE TABLE statements into TypeScript interface definitions with accurate types.

Convert JSON payloads and REST API responses into clean, strictly typed TypeScript interfaces and type aliases instantly. Free online TS generator.

Generate complete 10-shade Tailwind CSS color palettes (50 to 950) from any brand hex color with tailwind.config.js export. Free developer tool.

Convert raw SVG vector code and SVG files into optimized URL-encoded CSS background-image data URIs and JSX. Free developer tool.

Generate Discord dynamic relative timestamps (<t:timestamp:R>), ANSI colored terminal text, and spoiler markdown styling.