URL 二维码生成器 与相关工具对比：该用哪一个

使用方法

1. 先弄清下游消费方真正期望什么——格式、编码、校验和，还是人类可读的标签。
2. 把该期望与"输出已是该形式"的工具对应起来；转换两次会丢失信息。
3. 当两个工具看似等价时，优先选择其选项能暴露消费方所引用标准的那一个。
4. 把相关工具并排打开，用同一输入分别运行；差异会立刻显现。

示例

A link without a scheme gets https:// added automatically; javascript: and data: are refused.

输入

https://www.26173.com/en/tools/qr-code-generator

输出 — 搜索结果

<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>URL</td></tr>
      <tr><th>Version</th><td>4 (33×33 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>48 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>scheme</th><td>https</td></tr><tr><th>host</th><td>www.26173.com</td></tr><tr><th>path</th><td>/en/tools/qr-code-generator</td></tr><tr><th>query</th><td></td></tr><tr><th>params</th><td>{}</td></tr></tbody></table>
  </div>
</div>
<div class="qr-payload"><strong>Payload</strong><pre class="ex-io">https://www.26173.com/en/tools/qr-code-generator</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>

运行

说明

Turn any link into a scannable QR code, adding https:// when the scheme is missing and warning about unsafe schemes.

URL 二维码生成器 → · 使用方法 → · qr →

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