Text analysis, NLP, and developer utilities. REST APIs and npm packages. Zero dependencies. Works out of the box.
Hosted text analysis API. Readability, sentiment, keywords, and SEO scoring via a single REST endpoint. Works in Python, Ruby, Go, PHP — any language.
$ curl -X POST https://api.ckmtools.dev/v1/analyze \
-H "X-API-Key: your_key" \
-d '{"text": "Your text here..."}'
Zero-dependency text analysis and readability toolkit.
$ npm install textlensimport { analyze } from 'textlens';
const result = analyze('Your text here...');
console.log(result.readability.consensusGrade);CLI tool that scans your Node.js source code to auto-discover every process.env reference, generates .env.example, and validates all vars before deploy.
$ envscan scan
Found 8 env vars across 12 files
Validation: 7/8 set. Missing: JWT_SECRET
Web-based readability and content analysis. Runs entirely in your browser.
Paste text, get readability grades instantly.Build sentiment analysis from scratch using textlens — no API keys needed.
A privacy-first readability tool that runs in your browser. No signups, no limits.
How Flesch-Kincaid, Gunning Fog, and 6 other formulas score your writing.
Combine readability, sentiment, and SEO scoring into one analysis pipeline.
Add readability scoring to any Node.js project in under 5 minutes.
Use textlens to optimize content for both readers and search engines.