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  <meta name="description" content="Developer tools for text analysis, NLP, and data engineering. TextLens API: readability, sentiment, keywords, and SEO scoring in one REST endpoint.">
  <title>ckmtools — Small, sharp tools for developers who ship</title>
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    <section class="hero">
      <h1>Small, sharp tools for developers who ship.</h1>
      <p class="tagline">Text analysis, NLP, and developer utilities. REST APIs and npm packages. Zero dependencies. Works out of the box.</p>
    </section>

    <section class="products" aria-label="Products">
      <h2>Products</h2>

      <article class="product-card product-card--featured">
        <div class="spotlight-badge">&#9733; Featured at DataTalks.Club OSS Spotlight</div>
        <h2><a href="/api/">TextLens API</a></h2>
        <p class="product-description">Hosted text analysis API. Readability, sentiment, keywords, and SEO scoring via a single REST endpoint. Works in Python, Ruby, Go, PHP — any language.</p>

        <pre><code><span class="install-cmd"><span class="prompt">$</span> curl -X POST https://api.ckmtools.dev/v1/analyze \</span>
  -H "X-API-Key: your_key" \
  -d '{"text": "Your text here..."}'</code></pre>

        <ul class="features" aria-label="Features">
          <li>Works in Python, Ruby, Go, PHP</li>
          <li>8 readability formulas</li>
          <li>Sentiment + keyword analysis</li>
          <li>SEO scoring</li>
          <li>Free tier (1K req/mo)</li>
          <li>Sub-50ms response times</li>
        </ul>

        <div class="link-row">
          <a href="/api/" class="btn-primary">Get Early Access</a>
          <a href="/api/">Docs &amp; Pricing</a>
        </div>
      </article>

      <article class="product-card">
        <h2><a href="/textlens/">textlens</a></h2>
        <div class="badge-row">
          <img src="https://img.shields.io/npm/dw/textlens?color=00E5A0&label=downloads" alt="npm weekly downloads" loading="lazy">
          <img src="https://img.shields.io/github/stars/ckmtools/textlens?color=00E5A0" alt="GitHub stars" loading="lazy">
        </div>
        <p class="product-description">Zero-dependency text analysis and readability toolkit.</p>

        <pre><code><span class="install-cmd"><span class="prompt">$</span> npm install textlens</span></code></pre>

        <pre><code>import { analyze } from 'textlens';
const result = analyze('Your text here...');
console.log(result.readability.consensusGrade);</code></pre>

        <ul class="features" aria-label="Features">
          <li>8 readability formulas</li>
          <li>Sentiment analysis</li>
          <li>Keyword extraction</li>
          <li>SEO scoring</li>
          <li>CLI included</li>
          <li>Zero dependencies</li>
        </ul>

        <div class="link-row">
          <a href="https://www.npmjs.com/package/textlens" rel="noopener">npm</a>
          <a href="https://github.com/ckmtools/textlens" rel="noopener">GitHub</a>
          <a href="https://dev.to/ckmtools" rel="noopener">Article</a>
          <a href="https://buy.stripe.com/4gMbJ16rM3MJ4HZ4hGf7i00" rel="noopener">Support</a>
        </div>
      </article>

      <article class="product-card">
        <h2><a href="/envscan/">envscan</a></h2>
        <p class="product-description">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.</p>

        <pre><code><span class="install-cmd"><span class="prompt">$</span> envscan scan</span>
Found 8 env vars across 12 files
Validation: 7/8 set. Missing: JWT_SECRET</code></pre>

        <ul class="features" aria-label="Features">
          <li>Auto-discovers from source code</li>
          <li>Generates .env.example</li>
          <li>Validates before deploy</li>
          <li>GitHub Action CI tier</li>
          <li>Zero config</li>
        </ul>

        <div class="link-row">
          <a href="/envscan/">Learn more</a>
          <a href="/envscan/" class="btn-secondary">Join Waitlist</a>
        </div>
      </article>

      <article class="product-card">
        <h2><a href="/prosescore/">ProseScore</a></h2>
        <div class="badge-row">
          <img src="https://img.shields.io/github/stars/ckmtools/prosescore?color=00E5A0" alt="GitHub stars" loading="lazy">
        </div>
        <p class="product-description">Web-based readability and content analysis. Runs entirely in your browser.</p>

        <pre><code>Paste text, get readability grades instantly.</code></pre>

        <ul class="features" aria-label="Features">
          <li>8 readability formulas</li>
          <li>Sentiment analysis</li>
          <li>Keyword extraction</li>
          <li>SEO scoring</li>
          <li>Privacy-first (runs offline)</li>
          <li>Free + Pro tiers</li>
        </ul>

        <div class="link-row">
          <a href="https://prosescore.ckmtools.dev/" rel="noopener">Try it</a>
          <a href="https://github.com/ckmtools/prosescore" rel="noopener">GitHub</a>
          <a href="/prosescore/">Details</a>
        </div>
      </article>
    </section>

    <section class="articles" aria-label="Latest articles">
      <h2>Latest Articles</h2>
      <div class="article-grid">
        <a href="/blog/sentiment-analysis-nodejs.html" class="article-card">
          <h3>Sentiment Analysis in Node.js Without External APIs</h3>
          <p>Build sentiment analysis from scratch using textlens — no API keys needed.</p>
        </a>
        <a href="/blog/prosescore-hemingway-alternative.html" class="article-card">
          <h3>ProseScore: A Free Hemingway Alternative</h3>
          <p>A privacy-first readability tool that runs in your browser. No signups, no limits.</p>
        </a>
        <a href="/blog/readability-formula-guide.html" class="article-card">
          <h3>The Complete Guide to Readability Formulas</h3>
          <p>How Flesch-Kincaid, Gunning Fog, and 6 other formulas score your writing.</p>
        </a>
        <a href="/blog/content-quality-checker-typescript.html" class="article-card">
          <h3>Build a Content Quality Checker in TypeScript</h3>
          <p>Combine readability, sentiment, and SEO scoring into one analysis pipeline.</p>
        </a>
        <a href="/blog/how-to-score-readability.html" class="article-card">
          <h3>How to Score Readability in JavaScript</h3>
          <p>Add readability scoring to any Node.js project in under 5 minutes.</p>
        </a>
        <a href="/blog/readability-seo-typescript.html" class="article-card">
          <h3>Readability Meets SEO: A TypeScript Approach</h3>
          <p>Use textlens to optimize content for both readers and search engines.</p>
        </a>
      </div>
      <p class="section-more"><a href="/blog/">View all articles &rarr;</a></p>
    </section>
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