JSON Element Counter

A lightweight, single-file web application to quickly analyze JSON data right in your browser.
Paste JSON, count elements, prettify formatting, copy to clipboard, and see detailed statistics — all offline, no server required.

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Features

• Paste & Count – Instantly see:
  • Root type (Object / Array / Primitive)
  • Number of top-level elements
  • Total objects, keys, arrays, array items, primitives, and total nodes
• Prettify JSON – Reformat JSON with indentation for easier reading
• Copy to Clipboard – One click to copy the current (optionally prettified) JSON
• Insert Example – Quickly try with a built-in example
• Error Display – Clear feedback when JSON is invalid
• Offline Use – Works entirely in your browser
• Self-Test Harness – Built-in test cases to verify behavior

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Installation

No installation needed — just download and open the HTML file.

1. Save index.html locally.
2. Double-click the file to open in your browser.
3. Paste JSON, click Count, and view stats.

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Deploy Options

You can host this anywhere that serves static files:

• GitHub Pages – Free for public repos
• Netlify – Drag & drop or Git-connected deploy
• Vercel – One-command deploy
• Cloudflare Pages – Unlimited free static hosting
• Surge – Quick CLI publish

Example (Netlify drag & drop):

1. Go to Netlify Drop
2. Drag your index.html file into the page
3. Get your live HTTPS URL instantly

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License

MIT License — feel free to use, modify, and distribute.

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Demo: https://titonatural.github.io/JSON-Element-Counter/