All Developer Tools

Format, validate, and beautify JSON data with syntax highlighting

Minify and compress JSON data by removing all unnecessary whitespace

Normalize HTTP headers and convert between raw headers and JSON format

Format, validate, and beautify YAML data with key sorting and custom indentation

Format, validate, and beautify XML data with syntax validation

Format, beautify, and minify HTML code with proper indentation

Format and beautify SQL queries with proper indentation

Minify HTML code by removing whitespace, line breaks, and unnecessary characters

Minify CSS code by removing comments, whitespace, and unnecessary characters

Minify SQL queries by removing whitespace and compressing to a single line

Minify XML data by removing whitespace and line breaks with validation

Compare two JSON objects and see added, removed, and changed values highlighted

Validate JSON data against a JSON Schema to check structure and types

Test and debug regular expressions with real-time matching

Flatten nested JSON to dot-notation keys or unflatten back to nested structure

Convert JSON data to TypeScript interfaces or type aliases instantly

Convert curl commands to JavaScript fetch() code with headers, body, and auth

Convert Unix timestamps to dates and vice versa

Convert multiple Unix timestamps to dates at once with timezone toggle

Convert between JSON and YAML formats instantly

Export JSON arrays to CSV for Excel and spreadsheets

Convert between CSV and JSON formats easily

Convert between JSON arrays and NDJSON (Newline Delimited JSON) format

Convert .env environment variable files to JSON and back instantly

Convert numbers between binary, decimal, hexadecimal, and octal instantly

Convert colors between HEX, RGB, and HSL formats with live preview

Convert text between camelCase, PascalCase, snake_case, kebab-case, and more

Convert text to ASCII codes (decimal, hex, binary, octal) or codes back to text

Decode and inspect JSON Web Tokens instantly

Parse any URL into protocol, host, path, query parameters, and hash

Look up any HTTP status code with descriptions, categories, and search

Look up MIME types by file extension or content type with a searchable developer reference

Parse user agent strings to identify browser, OS, device type, and rendering engine

Parse and explain cron expressions in plain English with next run times

Generate and sign JSON Web Tokens (JWT) for testing with HS256, HS384, HS512

Build URL query strings from key-value pairs or parse existing URLs

Generate cron expressions visually with an easy-to-use schedule builder

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes

Generate HMAC-SHA256, HMAC-SHA384, and HMAC-SHA512 with a secret key

Generate RSA 2048/4096-bit key pairs in PEM format using Web Crypto API

Generate strong, secure random passwords with customizable length and character options

Generate random UUIDs (v4) for your applications

Generate cryptographically secure NanoID-style random IDs with custom alphabet

Generate clean, URL-friendly slugs from any text

Generate placeholder text by paragraphs, sentences, or words

Encode and decode Base64 strings instantly

Encode and decode URLs with percent-encoding

Encode and decode HTML entities to prevent XSS and display HTML safely

Escape text to \uXXXX Unicode sequences or unescape them back to readable text

View and preview CSV data as a formatted table with delimiter support

Preview base64 encoded images with auto format detection, dimensions, and download

Preview Markdown as rendered HTML in real-time

Compare two texts and see differences highlighted line by line

Count words, characters, sentences, and paragraphs with reading time

Find and replace text with regex, case sensitivity, and whole word matching

Remove duplicate lines from any list with trim, case matching, and sorting

Sort lines alphabetically, by length, or randomly with case and trim options

Add line numbers to any text with configurable format, padding, and start number

Reverse text by characters, words, or lines instantly