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JSON Syntax Highlighter

Highlight JSON with coloured keys, strings, numbers and literals, exported as embeddable HTML.

Runs in your browserJSON → HTML
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Example

Input
{"id": 1, "ok": true}
Output
<pre class="hljs"><code class="language-json"><span class="hljs-punctuation">{</span><span class="hljs-attr">&quot;id&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-number">1</span><span class="hljs-punctuation">,</span> <span class="hljs-attr">&quot;ok&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-literal"><span class="hljs-keyword">true</span></span><span class="hljs-punctuation">}</span></code></pre>

How to use the JSON Syntax Highlighter

  1. Paste or type your JSON into the input area, or open a file from your device.
  2. Adjust the options above the editor if the tool offers any.
  3. Review the HTML result, then copy it or download it as a file.

Privacy and limitations

  • Your data is processed on your device and is not uploaded to any server.

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