A collection of tools for formatting and analyzing text — character counting, word frequency analysis, text comparison, case conversion, duplicate line removal, line sorting, and more. Everything runs in your browser and your data is never sent to a server.
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Generate Lorem Ipsum placeholder text by paragraphs, sentences, or words. Optional "Lorem ipsum..." start.
Count words, characters, and estimated reading time in real time for English and Japanese text.
Count characters, words, lines, paragraphs, and reading time in real time. Includes Twitter/X, Instagram, and LINE character limit bars.
Remove duplicate lines from text in real time. Case-sensitive toggle and whitespace trimming options included.
Remove or replace line breaks from PDF, Word, or any copied text. 5 conversion modes available.
Clean extra spaces, tabs, and blank lines from text in real time. 5 fine-grained cleaning options.
Count word occurrences and keyword frequency in your text. Ranked table with minimum word length filter.
Repeat any text a specified number of times. Custom separator: newline, space, comma, or none.
Convert text to URL-friendly slugs in real time. Choose dash, underscore, or dot separator.
Convert hiragana and katakana to Hepburn or Kunrei romanization. Useful for service names and URLs.
Sort lines alphabetically (A→Z, Z→A), by length, randomly, or reverse — instantly in your browser.
Compare two texts in real time. Added lines shown in green, deleted lines in red, with character-level diffing.
Convert text to UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, kebab-case, or CONST_CASE in real time.
How to count characters and words for social media, SEO, and writing. Includes character limits for Twitter/X, Instagram, LinkedIn, meta tags, and best practices for each platform.
How readability affects SEO — Flesch Reading Ease, sentence length, paragraph structure, and actionable tips to improve your content score. Includes a free readability checker tool.
A beginner's guide to Markdown — the lightweight syntax behind GitHub READMEs, Notion, and dev.to. Includes a full cheat sheet, rendered HTML examples, and notes on GitHub Flavored Markdown differences.
Learn SQL formatting conventions with before/after examples. Covers keyword capitalization, one-clause-per-line rules, subquery indentation, and leading vs trailing commas — plus how to auto-format in one click.
Understand how text diff tools work. Covers unified diff format, line-level vs character-level comparison, how Git uses diff, and practical uses in code review, config management, and document editing.
A practical introduction to regex with real examples. Learn the most useful metacharacters, then apply them to email validation, phone numbers, URLs, and dates — with patterns you can copy straight away.
The Character Counter is a great starting point — it shows character count, word count, and estimated reading time all at once. Perfect for blog posts, social media, and SEO meta descriptions.