tools/ocr.html at main · jubilancy/tools · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>OCR | tools.eliana.lol</title>
  <link rel="stylesheet" href="global.css" />
  <link rel="icon" type="image/x-icon" href="favicon.svg" />
  <style>
    .container {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .input-label {
      font-size: 0.85rem;
      font-weight: bold;
      text-transform: uppercase;
      color: var(--puny);
      letter-spacing: 0.05em;
      display: block;
      margin-bottom: 0.35rem;
    }

    .button-group {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
    }

    button {
      flex: 0 1 auto;
      min-width: 120px;
      padding: 10px;
      cursor: pointer;
      font-family: monospace;
      border: 1px solid var(--text);
      background: var(--bg);
      color: var(--text);
      border-radius: 4px;
      transition: all 150ms;
    }

    button:hover {
      background-color: var(--hover);
      border-color: var(--accent);
    }

    button.primary {
      border-color: var(--accent);
      font-weight: bold;
      color: var(--accent);
    }

    button.danger {
      border-style: dashed;
      opacity: 0.7;
    }

    button:disabled {
      opacity: 0.4;
      cursor: not-allowed;
    }

    textarea,
    input[type="text"],
    select {
      width: 100%;
      font-family: monospace;
      padding: 10px;
      border: 1px solid var(--puny);
      background: var(--bg);
      color: var(--text);
      box-sizing: border-box;
      border-radius: 4px;
      font-size: 0.95rem;
    }

    textarea:focus,
    input[type="text"]:focus,
    select:focus {
      outline: none;
      border-color: var(--accent);
    }

    textarea {
      min-height: 150px;
      resize: vertical;
    }

    .status {
      padding: 0.75rem 1rem;
      border-radius: 4px;
      margin: 0.5rem 0;
      display: none;
      font-size: 0.9rem;
    }

    .status.show {
      display: block;
    }

    .status.success {
      background-color: rgba(16, 185, 129, 0.1);
      border-left: 3px solid var(--accent);
      color: var(--accent);
    }

    .status.error {
      background-color: rgba(239, 68, 68, 0.1);
      border-left: 3px solid #ef4444;
      color: #ef4444;
    }

    .info-box {
      padding: 1rem;
      background-color: var(--highlight);
      border-left: 3px solid var(--accent);
      font-size: 0.9rem;
      line-height: 1.6;
    }

    .controls-row {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      align-items: flex-end;
    }

    .control-group {
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
    }

    #drop-zone {
      border: 2px dashed var(--puny);
      padding: 2.5rem 2rem;
      text-align: center;
      cursor: pointer;
      color: var(--puny);
      font-size: 0.9rem;
      transition: border-color 150ms, background 150ms;
    }

    #drop-zone:hover,
    #drop-zone.dragover {
      border-color: var(--accent);
      background: var(--hover);
      color: var(--text);
    }

    #preview-img {
      max-width: 100%;
      max-height: 300px;
      border: 1px solid var(--puny);
      display: none;
      margin-top: 0.75rem;
    }

    .progress-wrap {
      display: none;
      flex-direction: column;
      gap: 0.4rem;
    }

    .progress-wrap.show {
      display: flex;
    }

    .progress-bar-outer {
      width: 100%;
      height: 6px;
      background: var(--highlight);
      border: 1px solid var(--puny);
    }

    .progress-bar-inner {
      height: 100%;
      background: var(--accent);
      width: 0%;
      transition: width 200ms ease;
    }

    .progress-label {
      font-size: 0.8rem;
      color: var(--puny);
    }

    .confidence {
      font-size: 0.8rem;
      color: var(--puny);
    }

    .confidence span {
      color: var(--accent);
      font-weight: bold;
    }

    @media (max-width: 600px) {
      .button-group {
        flex-direction: column;
      }
      button {
        width: 100%;
        min-width: unset;
      }
      .controls-row {
        flex-direction: column;
      }
    }
  </style>
</head>
<body>
  <nav>
    <div class="left">
      <a href="index.html">home</a> | <a href="extra.html">extra</a> |
      <a href="credits.html">credits</a> |
      <a href="changelog.html">logs</a>
    </div>
    <div class="right">
      <button id="theme-toggle">[theme]</button> |
      <a href="https://eliana.lol">site</a>
    </div>
  </nav>

  <main>
    <h1>OCR — Image to Text</h1>
    <p class="puny">Extract text from any image in the browser using Tesseract.js. Nothing leaves your device.</p>

    <div class="container">

      <div class="controls-row">
        <div class="control-group">
          <label class="input-label" for="lang-sel">Language</label>
          <select id="lang-sel">
            <option value="eng">English</option>
            <option value="fra">French</option>
            <option value="deu">German</option>
            <option value="spa">Spanish</option>
            <option value="por">Portuguese</option>
            <option value="ita">Italian</option>
            <option value="jpn">Japanese</option>
            <option value="chi_sim">Chinese (Simplified)</option>
            <option value="kor">Korean</option>
            <option value="ara">Arabic</option>
            <option value="rus">Russian</option>
            <option value="hin">Hindi</option>
          </select>
        </div>
        <div class="control-group">
          <label class="input-label" for="psm-sel">Mode</label>
          <select id="psm-sel">
            <option value="3">Auto detect (default)</option>
            <option value="6">Single block of text</option>
            <option value="7">Single line</option>
            <option value="8">Single word</option>
            <option value="11">Sparse text</option>
          </select>
        </div>
      </div>

      <div id="drop-zone" onclick="document.getElementById('file-input').click()">
        <input type="file" id="file-input" accept="image/*" style="display:none" onchange="handleFile(this.files[0])">
        Drop an image here or click to upload<br>
        <span style="font-size:0.75rem;">jpg, png, gif, bmp, webp supported</span>
      </div>

      <img id="preview-img" alt="Preview" />

      <div class="progress-wrap" id="progress-wrap">
        <div class="progress-label" id="progress-label">Initialising…</div>
        <div class="progress-bar-outer">
          <div class="progress-bar-inner" id="progress-bar"></div>
        </div>
      </div>

      <div>
        <label class="input-label" for="result-text">Extracted Text</label>
        <textarea id="result-text" rows="10" placeholder="Text will appear here…"></textarea>
        <div class="confidence" id="confidence"></div>
      </div>

      <div class="button-group">
        <button class="primary" id="rerun-btn" onclick="rerun()" disabled>Re-run OCR</button>
        <button onclick="copyText()">Copy text</button>
        <button onclick="downloadText()">Download .txt</button>
        <button class="danger" onclick="clearAll()">Clear</button>
      </div>

      <div class="info-box">
        <strong>Privacy:</strong> all processing happens locally in your browser — your images never leave your device.
      </div>

      <div class="status" id="status"></div>
    </div>
  </main>

  <footer style="margin-top: 4rem; text-align: center" class="puny">
    © 2026 eliana.lol • <a href="credits.html">credits</a>
  </footer>

  <script src="https://cdn.jsdelivr.net/npm/tesseract.js@5/dist/tesseract.min.js"></script>

  <script>
    const html = document.documentElement;
    const toggle = document.getElementById('theme-toggle');
    const saved = localStorage.getItem('theme') ||
      (window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');
    html.setAttribute('data-theme', saved);
    if (toggle) toggle.innerText = saved === 'dark' ? '[light]' : '[dark]';
    if (toggle) {
      toggle.onclick = () => {
        const next = html.getAttribute('data-theme') === 'dark' ? 'light' : 'dark';
        html.setAttribute('data-theme', next);
        localStorage.setItem('theme', next);
        toggle.innerText = next === 'dark' ? '[light]' : '[dark]';
      };
    }
  </script>

  <script>
    const dropZone = document.getElementById('drop-zone');
    dropZone.addEventListener('dragover', e => { e.preventDefault(); dropZone.classList.add('dragover'); });
    dropZone.addEventListener('dragleave', () => dropZone.classList.remove('dragover'));
    dropZone.addEventListener('drop', e => {
      e.preventDefault();
      dropZone.classList.remove('dragover');
      handleFile(e.dataTransfer.files[0]);
    });

    let currentFile = null;

    function handleFile(file) {
      if (!file || !file.type.startsWith('image/')) return;
      currentFile = file;
      const img = document.getElementById('preview-img');
      img.src = URL.createObjectURL(file);
      img.style.display = 'block';
      document.getElementById('rerun-btn').disabled = false;
      runOCR();
    }

    async function runOCR() {
      if (!currentFile) return;
      const lang = document.getElementById('lang-sel').value;
      const psm = document.getElementById('psm-sel').value;
      const progress = document.getElementById('progress-wrap');
      const bar = document.getElementById('progress-bar');
      const label = document.getElementById('progress-label');

      progress.classList.add('show');
      bar.style.width = '0%';
      document.getElementById('result-text').value = '';
      document.getElementById('confidence').innerHTML = '';

      try {
        const worker = await Tesseract.createWorker(lang, 1, {
          logger: m => {
            if (m.status === 'recognizing text') {
              bar.style.width = (m.progress * 100).toFixed(0) + '%';
              label.textContent = `Recognising… ${(m.progress * 100).toFixed(0)}%`;
            } else {
              label.textContent = m.status;
            }
          }
        });
        await worker.setParameters({ tessedit_pageseg_mode: psm });
        const { data } = await worker.recognize(currentFile);
        await worker.terminate();

        document.getElementById('result-text').value = data.text.trim();
        document.getElementById('confidence').innerHTML =
          `Confidence: <span>${data.confidence.toFixed(1)}%</span>`;
        bar.style.width = '100%';
        label.textContent = 'Done.';
        showStatus('Extraction complete.', 'success');
      } catch (e) {
        label.textContent = 'Error: ' + e.message;
        showStatus('Error: ' + e.message, 'error');
      }
    }

    function rerun() {
      if (currentFile) runOCR();
    }

    function copyText() {
      const text = document.getElementById('result-text').value;
      if (!text) return;
      navigator.clipboard.writeText(text);
      showStatus('Copied to clipboard.', 'success');
    }

    function downloadText() {
      const text = document.getElementById('result-text').value;
      if (!text) return;
      const a = document.createElement('a');
      a.href = URL.createObjectURL(new Blob([text], { type: 'text/plain' }));
      a.download = 'ocr-result.txt';
      a.click();
    }

    function clearAll() {
      currentFile = null;
      document.getElementById('preview-img').style.display = 'none';
      document.getElementById('preview-img').src = '';
      document.getElementById('result-text').value = '';
      document.getElementById('confidence').innerHTML = '';
      document.getElementById('file-input').value = '';
      document.getElementById('progress-wrap').classList.remove('show');
      document.getElementById('progress-bar').style.width = '0%';
      document.getElementById('rerun-btn').disabled = true;
    }

    function showStatus(message, type = 'success') {
      const status = document.getElementById('status');
      status.textContent = message;
      status.className = `status show ${type}`;
      setTimeout(() => status.classList.remove('show'), 2500);
    }
  </script>
</body>
</html>