Generatore di codice QR: guida rapida

Come si usa

1. Apri lo strumento e incolla l’input nel riquadro a sinistra.
2. Regola solo le opzioni davvero necessarie: i valori predefiniti vanno bene per la maggior parte dei casi.
3. Leggi il risultato nel riquadro a destra; si aggiorna mentre scrivi.
4. Usa Copia per prelevare il risultato o Scarica per salvarlo come file.

Esempi

The simplest case: 11 ASCII characters encode to a version-1 symbol (21×21 modules) at error correction M.

Input

Hello World

Output — Risultati

<div class="qr-out">
  <div class="qr-preview"><img src="data:image/png;base64,iVBORw0KGgo=" alt="QR code" width="256" height="256" style="max-width:100%;height:auto;image-rendering:pixelated"></div>
  <div class="qr-meta">
    <table class="tb-table"><tbody>
      <tr><th>Detected type</th><td>Plain text</td></tr>
      <tr><th>Version</th><td>1 (21×21 modules)</td></tr>
      <tr><th>Error correction</th><td>M</td></tr>
      <tr><th>Quiet zone</th><td>4 module(s)</td></tr>
      <tr><th>Payload size</th><td>11 bytes (UTF-8)</td></tr>
      <tr><th>Contrast</th><td>21.00:1</td></tr>
      <tr><th>Validation</th><td class="ok">VALID</td></tr>
      <tr><th>Render → decode self-test</th><td class="bad">FAILED (decoded ≠ payload)</td></tr>
    </tbody></table>
    <table class="tb-table"><tbody><tr><th>chars</th><td>11</td></tr><tr><th>lines</th><td>1</td></tr></tbody></table>
  </div>
</div>
<div class="qr-payload"><strong>Payload</strong><pre class="ex-io">Hello World</pre></div>


<div class="tb-btns qr-actions">
  <button class="btn btn-primary" data-qr-dl="png">Download PNG</button>
  <button class="btn" data-qr-dl="svg">Download SVG</button>
  
  <button class="btn" data-qr-copy="payload">Copy payload</button>
  <button class="btn" data-qr-copy="svg">Copy SVG</button>
  <button class="btn" data-qr-copy="image">Copy image</button>
  <button class="btn" data-qr-print>Print</button>
</div>
<p class="ex-note">Generated and verified entirely in your browser. No data is uploaded.</p>

Esegui

Descrizione

Create QR codes for text, URLs, Wi-Fi, vCard, email, phone, SMS, geo, calendar, WhatsApp, Telegram, Bitcoin, Ethereum, UPI and JSON, with error correction, quiet zone, colours and PNG/SVG export.

Generatore di codice QR → · Come si usa → · qr →

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