All Tools
Every tool available on HNH Lab — text analysis, developer utilities, and generators.
Word Counter Tool
Count words, characters, sentences, and paragraphs in your text instantly.
Text ToolsCharacter Counter Tool
Count characters with and without spaces, great for social media limits.
Text ToolsLorem Ipsum Generator
Generate placeholder lorem ipsum text by paragraphs, sentences, or words.
Generator ToolsRandom Password Generator
Generate strong, secure random passwords with customisable options.
Generator ToolsRandom Username Generator
Create unique, creative usernames with adjective-noun combinations.
Generator ToolsSHA-256 Generator
Generate a SHA-256 hash from any string using the Web Crypto API.
Developer ToolsMD5 Generator
Generate an MD5 hash from any input string, implemented in pure JavaScript.
Developer ToolsTimestamp Converter Tool
Convert Unix timestamps to human-readable dates and vice versa.
Developer ToolsURL Encoder / Decoder
Encode or decode URLs and query strings with a single click.
Developer ToolsBase64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to readable text.
Developer ToolsJSON Formatter & Validator
Format, prettify, and validate JSON data with instant error feedback.
Developer ToolsQR Code Generator Soon
Generate QR codes from URLs or text (coming soon).
Generator ToolsPNG to ICO Converter Soon
Convert PNG images to ICO favicon format (coming soon).
Developer ToolsUUID Generator
Generate random v4 UUIDs instantly in your browser — bulk generation supported.
Developer ToolsRegex Tester
Test regular expressions against text with live match highlighting and capture groups.
Developer ToolsDate Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates.
Utility ToolsXML Formatter & Beautifier
Format, indent, and validate XML documents with instant error detection.
Developer ToolsColor Picker & Converter
Pick any colour and instantly get HEX, RGB, and HSL values with one-click copy.
Utility ToolsText Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Text ToolsRemove Duplicate Lines
Remove duplicate lines from any text with optional case-insensitive matching.
Text Tools