Text Diff

Case Converter

Convert text or an identifier into every common naming style at once — camelCase, snake_case, kebab-case, and more. Recognizes word boundaries in camelCase/PascalCase, acronyms (XMLParser → XML + Parser), and around digits.

Regex Tester / Find & Replace

Test regular expressions against real text: highlighted matches with parsed capture groups, or replace matches with new text.

Sort & Dedupe Lines

Sort lines of text alphabetically, remove duplicates, empty lines, and extra whitespace.

String Escape

Escape text into a string literal (quotes, backslash, control characters) for pasting into code, or unescape it back.

CRLF ↔ LF Converter

Convert line endings between Windows (CRLF), Unix/macOS (LF), and classic Mac (CR), with mixed-ending detection.

Character & Word Counter

Real-time text statistics: characters (with and without spaces), words, lines, sentences, paragraphs, and size in bytes (UTF-8).

Timezone Converter

One moment in time, across several time zones at once. Compare working hours, plan calls, see the day difference.

HTML Minify / Beautify

Compress HTML for production, or format minified markup into a readable layout.

Age Calculator

Exact age from a birth date — years/months/days, total time lived, and the next birthday.

Mock JSON Generator

Generate fake JSON data from a template: placeholder values like {{name}} or {{email}}, and arrays repeated via "key|N".

Credit Card Validator

Validate a card number with the Luhn algorithm, detect the payment network and length. Everything runs in the browser — the number is never sent anywhere.

JS Minify / Beautify

Compress JavaScript for production, or format minified code into a readable layout.