Lexical Diversity Analyzer

Measure the richness and variety of vocabulary in your text.

1. Input Text

2. Diversity Analysis

3. Export Report

Paste your text below to get started:

Download Your Report

Export the complete lexical analysis as a professional PDF document.

A higher lexical diversity score indicates a wider range of vocabulary. Scores typically range from 40-60% for varied texts.

Most Frequent Words

${word}: ${count} times

`; elements.analysisResults.innerHTML = html; maxUnlockedTab = Math.max(maxUnlockedTab, 2); // Unlock final tab after display }; // --- PDF UTILITY --- const downloadPDF = () => { // Ensure analysis has been run if (!analysisData.totalWords) { alert("Please analyze some text before downloading the report."); return; } const { jsPDF } = window.jspdf; const pdf = new jsPDF({ orientation: 'p', unit: 'pt', format: 'a4' }); const title = "Lexical Diversity Report"; const PAGE_WIDTH = pdf.internal.pageSize.getWidth(); const MARGIN = 50; let y = 0; // Header pdf.setFillColor(55, 48, 163); // indigo-800 pdf.rect(0, 0, PAGE_WIDTH, 70, 'F'); pdf.setFont('helvetica', 'bold'); pdf.setFontSize(22); pdf.setTextColor(255, 255, 255); pdf.text(title, MARGIN, 45); y = 110; const addSection = (secTitle, secContent) => { if (y > pdf.internal.pageSize.getHeight() - 80) { pdf.addPage(); y = MARGIN; } pdf.setFont('helvetica', 'bold'); pdf.setFontSize(14); pdf.setTextColor(67, 56, 202); // indigo-700 pdf.text(secTitle, MARGIN, y); y += 20; pdf.setFont('helvetica', 'normal'); pdf.setFontSize(10); pdf.setTextColor(51, 65, 85); // slate-700 const lines = pdf.splitTextToSize(secContent, PAGE_WIDTH - MARGIN * 2); pdf.text(lines, MARGIN, y); y += lines.length * 12 + 25; }; const summary = `Total Words: ${analysisData.totalWords}\nUnique Words: ${analysisData.uniqueWords}\nLexical Diversity Score: ${analysisData.lexicalDiversity}%`; addSection("Analysis Summary", summary); const frequentWords = analysisData.mostFrequent.map(([word, count]) => `• ${word} (${count} times)`).join('\n'); addSection("Most Frequent Words", frequentWords); pdf.addPage(); y = MARGIN; addSection("Original Text Analyzed", analysisData.text); pdf.save(`Lexical_Diversity_Report.pdf`); }; // --- EVENT LISTENERS --- elements.prevBtn.addEventListener('click', () => nextPrev(-1)); elements.nextBtn.addEventListener('click', () => nextPrev(1)); elements.tabs.forEach((tab, i) => { tab.addEventListener('click', () => { if (i <= maxUnlockedTab) { // Special case: if clicking tab 2 and analysis hasn't run, run it. if (i === 1 && !analysisData.totalWords) { if (!performAnalysis()) return; // Don't switch tab if analysis fails } showTab(i); } }); }); elements.downloadPdfBtn.addEventListener('click', downloadPDF); // Initialize showTab(currentTab); });