Articles on text analysis, readability, and developer tooling.
Learn how Flesch-Kincaid, Gunning Fog, Coleman-Liau, and 5 other readability formulas work under the hood, and how to use them in your Node.js projects with a single function call.
Build a working content quality gate in TypeScript using textlens to check readability, sentence length, and sentiment in 10 lines of code.
Use textlens — a zero-dependency TypeScript toolkit — to measure readability, sentiment, SEO, and more. Works as a library and CLI.