Free Text Tools for Writers & Developers

Count words, remove line breaks, convert case, find and replace with regex, sort and dedupe lines, convert Markdown and CSV, and more — instantly, free, no sign-up.

Runs 100% in your browserNothing is uploaded to a server13 tools, 1 page

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Your text

Stats

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Keyword density (top 10)

Type some text above to see the most frequent words.

WordCount%

About TextKit Pro

TextKit Pro bundles thirteen everyday text utilities into a single page. For writing there is a word counter with keyword density, text statistics with a Flesch readability score, and a Lorem Ipsum generator for mockups. For editing there is find and replace with full regular-expression support, sort and dedupe lines, and a diff checker that highlights line-by-line changes. For developers there is a case converter covering nine formats, Markdown ↔ HTML and CSV ↔ JSON conversion in both directions, and a slugify tool that turns a title into a URL-safe slug. For tidying up whatever you just pasted there is remove line breaks, which joins wrapped lines or unwraps a paragraph copied out of a PDF, and reverse text, which flips text by character, word or line. The text cleaner runs seven of those cleanup passes over one paste at once — extra spaces, punctuation, special characters, numbers, emoji, HTML tags and accents — and each pass also has a page of its own.

Everything runs client-side in your browser — nothing you type or paste is ever uploaded to a server, so there's no wait and nothing to worry about privacy-wise.

Learn more about text tools

Word count standards: how long should your writing be?

Real word-count conventions for essays, novels, blog posts, and SEO articles, plus why character count and reading time matter.

Text case styles explained

camelCase, PascalCase, snake_case, kebab-case, Title Case, and Sentence case — where each is used and why consistency matters.

Reading time and readability

Average adult reading speed, how reading-time estimates are calculated, and why readability matters for web content and accessibility.

How TextKit Pro's tools work under the hood

The actual counting logic, keyword density calculation, and LCS-based diff algorithm behind this page's core tools.