Text & regex

11 free browser tools

Test and manipulate text with regular expressions.

Regex Tester
Test regex patterns and view matches, groups, and flags instantly.
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Text Diff Checker
Compare two texts and view line-by-line differences instantly.
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Slug Generator
Convert text to a URL-friendly slug instantly.
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Markdown Previewer
Preview Markdown live with instant in-browser rendering.
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HTML to Markdown
Convert HTML to clean, readable Markdown instantly.
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XML Formatter
Format and indent XML for readability instantly.
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Word Counter
Count words, characters, sentences, and reading time instantly.
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Text Case Converter
Convert text between camelCase, snake_case, kebab-case, and more.
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Markdown Table Generator
Generate Markdown tables visually. Edit cells, set alignment, import CSV.
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Phone Number Formatter
Format phone numbers to E.164, International, National, RFC 3966. 25+ countries.
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Email Template Tester
Preview HTML emails in Gmail, Outlook, Apple Mail, and mobile with compatibility warnings.
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