Developer Tools
25 free online developer utilities — number converters, hash generators, code formatters, JWT tools, and more. All run entirely in your browser.
Binary To Decimal
Convert between binary, decimal, hex and octal number systems
Color Converter
Convert colors between HEX, RGB, and HSL formats
Convert Binary
Convert binary numbers to text and text to binary
Convert Timestamp
Convert Unix epoch timestamp to standard date format and back
Count Words
Count words, characters, sentences and paragraphs in text
Convert Datetime
Convert datetime between different formats and timezones
Encode Image to Base64
Encode any image file to Base64 string for embedding in HTML or CSS
Encode / Decode Base64
Encode or decode text and data using Base64 encoding
Encode / Decode URL
URL encode or decode strings for use in web addresses
Format XML
Format and beautify XML documents with proper indentation
Generate JWT Token
Generate JWT tokens from a JSON payload and secret key
Generate Checksum
Generate MD5, SHA-1 or SHA-256 checksum of any text
Generate Cryptographic Hash
Generate a variety of cryptographic hashes from text or files
Generate Sitemap
Generate an XML sitemap for any website instantly
HEX To RGB
Convert hexadecimal color codes to RGB and HSL values
JSON Formatter
Format and beautify JSON data with proper indentation
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text for designs and mockups
Parse Cron Expression
Parse and explain cron expressions in plain English
Password Generator
Generate secure random passwords with custom rules
Regex Tester
Test and validate regular expressions against sample text
RGB To Hex
Convert RGB color values to hexadecimal color codes
Text Case Converter
Convert text between camelCase, snake_case, PascalCase and more
UUID Generator
Generate unique UUIDs (v1 and v4) for use in applications
Verify & Decode JWT
Decode and verify JWT tokens to inspect their payload and header
Validate XML with XSD
Validate an XML file against an XSD schema definition
All 25 developer tools run entirely in your browser — no account, no uploads, no data sent to servers.