✍️ Text Tools
Word and character counters, case converters, duplicate removers, diff and cleanup tools that run instantly in your browser.
19 working tools in this category · 57,769 tools platform-wide
Popular Text Tools
Word Counter
Count words, characters, sentences, paragraphs and reading time in any text, updated with exact rules (words are whitespace-separated tokens).
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Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and more — pick the style in the tool options.
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Character Counter
Count characters with and without spaces, plus letters, digits, spaces and lines.
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Sentence Counter
Count sentences, average sentence length and the longest/shortest sentence in your text.
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Paragraph Counter
Count paragraphs and report words per paragraph.
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Uppercase Converter
Convert all text to UPPERCASE.
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Lowercase Converter
Convert all text to lowercase.
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Title Case Converter
Convert text to Title Case, capitalising each significant word.
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Text Reverser
Reverse text by character, by word or by line.
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Remove Duplicate Lines
Remove duplicate lines, keeping the first occurrence and the original order.
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Remove Extra Spaces
Collapse multiple spaces, trim lines and remove blank lines from text.
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Text Diff Checker
Compare two texts line by line and highlight added, removed and unchanged lines. Paste text A, a line containing only ===, then text B.
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Text Sorter
Sort lines alphabetically (A–Z or Z–A), by length, or shuffle them.
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Text to Slug
Convert text into a URL-safe slug.
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Markdown Previewer
Preview a practical subset of Markdown (headings, bold, italic, links, lists, code) rendered as HTML.
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Find and Replace
Find and replace text with optional case sensitivity, using the fields in the tool.
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Word Frequency Counter
Count how often every word appears in a text, ranked with percentages.
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Remove Line Breaks
Remove line breaks from text and collapse it into a single paragraph.
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Add Line Numbers
Add sequential line numbers to every line of a text.
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Text Tools — FAQs
Are these text tools free?
Yes, basic use is free and does not require an account.
Is my data private?
Browser-based tools process everything on your device. Any tool that needs a server or external service states that on its own page.
Authoritative resources
- MDN Web Docs — Mozilla's developer reference for web technologies.
- W3C Standards — The World Wide Web Consortium's web standards.