Text Processing Tools
Character counting, case conversion, slug generation, kana conversion, full/half-width conversion.
Text processing has APIs that vary by language, and editor regex replacement only goes so far for non-trivial transformations. This section covers the recurring needs: Twitter character limits, identifier case flipping (snake_case ↔ camelCase), URL slug generation, and Japanese-specific kana / full-width conversions, all in-browser.
Tools in this topic (15)
Character Counter
Count characters, words, lines, and byte size in real time
Word Counter
Count words, characters, sentences, paragraphs, and lines instantly
Case Converter
Convert text between camelCase, PascalCase, snake_case, kebab-case and more
Find & Replace
Find and replace text with regex support
Text Reverse
Reverse text by characters, words, or lines
Slug Generator
Generate URL-friendly slugs from text with accent removal and custom separators
Line Sorter
Sort text lines alphabetically, numerically, or by length
Word Frequency Counter
Analyze word frequency in text with count and percentage
Whitespace Remover
Remove extra whitespace from text with trim, collapse, and empty line options
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text with configurable paragraphs, sentences, or words
Katakana / Hiragana Converter
Convert between katakana and hiragana (kanji and punctuation preserved)
Full-width / Half-width Converter
Convert between full-width and half-width characters (ASCII, katakana, spaces)
Readability Score Calculator
Calculate Flesch Reading Ease and Flesch-Kincaid Grade Level for English text
Reading Time Calculator
Calculate reading time, speaking time, word count, and more
Text to Speech
Convert text to speech in your browser with adjustable speed, pitch, and volume
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