Text & Strings

Transform, compare and analyse text and strings — change case, count words, diff revisions, slugify titles and more. Each tool works offline in your browser.

Text & Strings

Regex Tester

Test regular expressions against any text with live match highlighting and capture groups. JavaScript RegExp flavor. 100% in your browser.

Text & Strings

Diff Viewer

Compare two pieces of text side by side. Shows line-by-line additions and deletions. 100% in your browser.

Text & Strings

Case Converter

Convert text between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Sentence case, Title Case. 100% in your browser.

Text & Strings

Slugify

Turn any text into a clean URL slug. Lowercases, strips accents, replaces spaces and punctuation with hyphens. 100% in your browser.

Text & Strings

Word Count

Count words, characters (with/without spaces), lines, sentences, paragraphs, and bytes. Live as you type. 100% in your browser.

Text & Strings

MD → HTML

Convert Markdown to HTML in your browser. GitHub-flavored Markdown, live preview, copy or download the HTML.

Text & Strings

HTML → MD

Convert HTML to clean Markdown in your browser. Powered by Turndown.

Text & Strings

JSONPath

Test JSONPath expressions live against any JSON. See matches as you type.

Text & Strings

JSON Schema

Validate JSON against a JSON Schema. See per-field errors with paths.

Text & Strings

UUID Decode

Decode UUID v1 and v7 to extract the embedded timestamp + node info. Works locally.

Text & Strings

URL Parser

Split any URL into protocol, host, port, path, query, hash — with copy buttons.

Text & Strings

Morse

Text to Morse and back. Audio playback included.

Text & Strings

ASCII Table

Paste tab or CSV data → render as a clean markdown or ASCII table. Adjustable alignment.

Text & Strings

ASCII Art

Two modes: text → big block letters, OR image → ASCII art (pixel luminance to chars).