Text & Regex Tools
17 browser-based text & regex tools. Pick one to get started — most run entirely in your browser.
Tools in this category
- Text & Regex
Capture Group Visualizer
See the capture groups, nesting and matched text of any regular expression highlighted as you type.
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Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase, Title Case and more — instantly, in your browser.
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Character Counter
Count characters, words, lines, bytes, graphemes, and Unicode code points live in your browser.
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Duplicate Line Remover
Remove duplicate lines from pasted text, keeping the first or last occurrence, with case and whitespace matching options — entirely in your browser.
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Find / Replace Tester
Preview literal or regular-expression find and replace operations with match highlighting and clear errors before you apply them.
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Line Sorter
Sort lines alphabetically, numerically, naturally, by length, or randomly with trim and duplicate options.
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Log Pattern Extractor
Develop and test regex extraction patterns against groups of log lines, entirely in your browser.
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Lorem Ipsum Generator
Generate configurable lorem ipsum placeholder words, sentences, or paragraphs in your browser.
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Multi-Context String Escaper
Escape or unescape text for HTML, JavaScript, JSON, SQL, URLs and regular expressions — entirely in your browser.
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Regex Builder
Build regular expressions from reusable blocks with a live match preview — entirely in your browser.
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Regex Explainer
Break a regular expression into understandable components and flags, then test it against sample text in your browser.
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Regex Flavor Comparator
Paste a regular expression to see which constructs differ across JavaScript, Python, PHP/PCRE, Java, .NET, Ruby, Go and Rust.
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Regex Replacement Tester
Test search-and-replace regular expressions with capture-group substitutions against sample text, live in your browser.
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Regex Tester
Test regular expressions live against sample text and see every match, capture group and error highlighted in your browser.
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Slug Generator
Turn titles and phrases into configurable URL-safe slugs, live in your browser.
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Text Diff
Compare two text blocks and see line and inline differences side by side — entirely in your browser.
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Whitespace Cleaner
Normalize spaces, tabs, blank lines, trailing whitespace, and line endings entirely in your browser.
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