Is anything I type sent anywhere?

No. All text tools run client-side; nothing you type is transmitted or stored remotely.

Can I use these for large documents?

Yes, they run in your browser's memory so performance depends on your device, not a server queue.

Text & Writing Tools

Tools for writers and editors — count words, diff two texts, convert case, check readability, and preview Markdown, all processed locally as you type.

Word Counter

Count words, characters, sentences, and paragraphs.

Type Master

Test your typing speed and accuracy in words per minute.

Case Converter

Convert text between UPPERCASE, Title Case, camelCase, and more.

Slug Generator

Turn a title into a clean URL slug.

Reading Time & Readability

Estimate reading time and Flesch readability score.

Word Frequency Analyzer

Find the most frequently used words in a piece of text.

Markdown Previewer

Preview Markdown rendered as HTML live.

Markdown Table Generator

Convert delimited data into a Markdown table.

Lorem Ipsum Generator

Generate placeholder text for mockups.

Text Line Sorter

Sort, deduplicate, and clean up a list of lines.

Text Diff Checker

Compare two texts and see word-level differences.

Guides & articles

Flesch Reading Ease Score: What the Number Means

How the Flesch Reading Ease formula works, what each score range means, how to improve a low score, and why a readability number is only a rough guide.

Compare alternatives

Diffchecker alternative

Frequently asked questions

Is anything I type sent anywhere?: No. All text tools run client-side; nothing you type is transmitted or stored remotely.
Can I use these for large documents?: Yes, they run in your browser's memory so performance depends on your device, not a server queue.