JSON-Studio/tool.html at main · jssuthahar/JSON-Studio · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JSON Viewer & Diagram — visualise JSON as a tree, export PNG/SVG | JSON Studio</title>
<meta name="description" content="Free online JSON viewer that turns any payload into an interactive, collapsible diagram. Search keys and values, collapse branches, export as PNG or SVG. Client-side only — nothing is uploaded.">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta property="og:type" content="website">
<meta property="og:title" content="JSON Viewer & Diagram — visualise JSON as a tree, export PNG/SVG">
<meta property="og:description" content="Free online JSON viewer that turns any payload into an interactive, collapsible diagram. Search keys and values, collapse branches, export as PNG or SVG. Client-side only — nothing is uploaded.">
<meta property="og:url" content="https://jsonstudio.msdevbuild.com/tool.html">

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<link rel="stylesheet" href="assets/css/tool.css">
<link rel="stylesheet" href="assets/css/present.css">
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<link rel="stylesheet" href="assets/css/tool-focus.css">
<link rel="stylesheet" href="assets/css/editor.css">
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<script>(function(){try{var t=localStorage.getItem('json-studio-theme');if(!t&&window.matchMedia&&matchMedia('(prefers-color-scheme: dark)').matches)t='dark';if(t)document.documentElement.setAttribute('data-theme',t);}catch(e){}})();</script>
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        { "@type": "Question", "name": "Is there a size limit for the diagram?", "acceptedAnswer": { "@type": "Answer", "text": "Very large documents produce very large trees. A few thousand nodes render comfortably; beyond that, collapse branches first or narrow the payload with the JSONPath tester." } }
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        { "@type": "HowToStep", "position": 1, "text": "Paste JSON, upload a file, or load the sample." },
        { "@type": "HowToStep", "position": 2, "text": "Click Render, then collapse or expand branches to explore. Search highlights matches and opens the branches that contain them." },
        { "@type": "HowToStep", "position": 3, "text": "Export the diagram as PNG or SVG, or press Present to show it full screen." }
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</head>
<body>

<div id="site-header"></div>
<span id="top"></span>

<div class="tool-topbar solo">
  <div class="container">
    <h1>JSON to diagram</h1>
    <p class="tt-sub">Lay a payload out as a node-link tree you can pan, zoom, collapse and search.</p>
    <a class="tt-about" href="#about">About &amp; FAQ ↓</a>
  </div>
</div>
<main class="tool-shell">
  <div class="tool-left">
    <div class="tool-controls">
      <button class="primary" id="btn-render">Render diagram</button>
      <button id="btn-sample">Load sample</button>
      <button id="btn-upload">Upload file</button>
      <button id="btn-format">Format</button>
      <input type="file" id="file-input" accept=".json,application/json" style="display:none;">
    </div>

    <div class="tool-search">
      <input type="text" id="search-input" placeholder="Search keys or values…">
      <span id="search-count"></span>
    </div>

    <div class="editor-wrap">
      <div class="editor-label"><span>JSON input</span><span>⌘/Ctrl + Enter to render</span></div>
      <textarea id="editor" spellcheck="false" placeholder='{"paste your JSON here": true}'></textarea>
    </div>
    <div id="status">Waiting for input.</div>

    <div class="ai-panel">
      <div class="row">
        <label for="ai-key" style="min-width:110px;">OpenAI API key</label>
        <input type="password" id="ai-key" placeholder="sk-…" style="flex:1;">
      </div>
      <button id="btn-ai-explain">Explain this JSON with AI</button>
      <p class="hint">Your key stays in this browser and is sent only to api.openai.com.</p>
      <div id="ai-output"></div>
    </div>
  </div>

  <div class="tool-right">
    <div class="canvas-toolbar">
      <button id="btn-expand">Expand all</button>
      <button id="btn-collapse">Collapse all</button>
      <button id="btn-fit">Fit to screen</button>
      <button id="btn-export-svg">Export SVG</button>
      <button class="primary" id="btn-export-png">Export PNG</button>
    </div>
    <div id="empty-hint">
      <div class="glyph">{ }</div>
      <p>Your diagram will appear here</p>
    </div>
    <svg id="svg"><g id="canvas-g"></g></svg>
  </div>
</main>


<section class="tool-home" id="about">
  <div class="container">
    <div class="th-more">Reference</div>
    <header class="th-head">
      <div class="kicker">JSON to diagram</div>
      <h2>About the JSON diagram viewer</h2>
      <p>Reading a deeply nested payload as text is a poor use of a human. This tool lays JSON out as a node-link tree you can pan, zoom, collapse and search, so the shape of the data is visible at a glance. It is the fastest way to explain an API response to someone else — and with presentation mode it goes full screen for exactly that.</p>
      <div class="cta-row">
        <a class="btn-primary" href="#top">Use the tool ↑</a>
        <a class="btn-secondary btn-present" href="presentation.html"><svg class="nav-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="3" y="4" width="18" height="13" rx="2"/><path d="M12 17v3M9.5 20h5"/><path d="m10.6 8.8 4 2.7-4 2.7z" fill="currentColor" stroke="none"/></svg> Present it</a>
      </div>
    </header>

    <div class="th-features">
      <div class="th-feature">
        <div class="fi">01</div>
        <h3>Interactive node graph</h3>
        <p>Pan, zoom and collapse branches to explore a payload by shape rather than by scrolling.</p>
      </div>
      <div class="th-feature">
        <div class="fi">02</div>
        <h3>Search that reveals</h3>
        <p>Type a key or value and matching nodes highlight, with their parent branches opened for you.</p>
      </div>
      <div class="th-feature">
        <div class="fi">03</div>
        <h3>PNG and SVG export</h3>
        <p>SVG stays sharp in slides and print; PNG is ready to paste into a ticket or a chat.</p>
      </div>
      <div class="th-feature">
        <div class="fi">04</div>
        <h3>Made for presenting</h3>
        <p>Full-screen presentation mode with zoom, fit, pan and a laser pointer, one keystroke away.</p>
      </div>
    </div>

    <div class="seo-grid">
      <div class="seo-main">
        <h3 id="how">How to use it</h3>
        <ol class="seo-steps">
          <li>Paste JSON, upload a file, or load the sample.</li>
          <li>Click Render, then collapse or expand branches to explore. Search highlights matches and opens the branches that contain them.</li>
          <li>Export the diagram as PNG or SVG, or press Present to show it full screen.</li>
        </ol>

        <h3 id="faq">Questions</h3>
        <div class="faq">
          <details>
            <summary>Can I use this to present JSON in a meeting?</summary>
            <div class="faq-body"><p>Yes — that is what presentation mode is for. Press Present (or Shift+P) and the diagram takes the whole screen, with a presenter toolbar for zoom, fit, panning and a laser pointer.</p></div>
          </details>
          <details>
            <summary>What do the export formats give me?</summary>
            <div class="faq-body"><p>SVG is vector, so it stays sharp in slides and print at any size. PNG is a raster image at screen resolution, handy for chat and tickets.</p></div>
          </details>
          <details>
            <summary>Is there a size limit for the diagram?</summary>
            <div class="faq-body"><p>Very large documents produce very large trees. A few thousand nodes render comfortably; beyond that, collapse branches first or narrow the payload with the JSONPath tester.</p></div>
          </details>
        </div>
      </div>

      <aside class="seo-side">
        <div class="seo-card" id="share">
          <h3>Share this tool</h3>
          <p>Send it to a colleague — the link only, never anything you have pasted in.</p>
          <div data-share data-share-title="JSON to diagram — JSON Studio"></div>
        </div>
        <div class="seo-card">
          <h3 class="with-ico"><svg class="nav-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="3" y="4" width="18" height="13" rx="2"/><path d="M12 17v3M9.5 20h5"/><path d="m10.6 8.8 4 2.7-4 2.7z" fill="currentColor" stroke="none"/></svg> Present this tool</h3>
          <p>Demoing to a client or a class? Press <kbd>Shift</kbd><kbd>P</kbd> for full-screen presentation mode — chrome hidden, type scaled up, laser pointer included.</p>
          <a class="seo-link" href="presentation.html">How presentation mode works →</a>
        </div>
        <div class="seo-card">
          <h3>Related tools</h3>
          <ul class="seo-related">
            <li><a href="format.html"><span class="ri">⌗</span>Formatter & validator</a></li>
            <li><a href="jsonpath.html"><span class="ri">$..</span>JSONPath tester</a></li>
            <li><a href="json-schema.html"><span class="ri">Sχ</span>Schema generator</a></li>
          </ul>
          <a class="seo-link" href="tools.html">All 14 tools →</a>
        </div>
        <div class="seo-card quiet">
          <h3>Private by construction</h3>
          <p>No backend exists. Everything on this page runs in your browser, so nothing you paste is uploaded, logged or retained.</p>
          <a class="seo-link" href="privacy.html">Read the privacy policy →</a>
        </div>
      </aside>
    </div>
  </div>
</section>

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