Developer Browser-based

HTML Entity Encoder/Decoder

Encode and decode HTML entities for safe web text and markup.

This tool runs in your browser. Your input is processed locally and is not uploaded.

How to use HTML Entity Encoder/Decoder

Use HTML Entity Encoder/Decoder when you need a quick developer utility without installing software or creating an account. Enter your values or text in the tool above, review the instant result, then copy or save the output when the tool supports it.

  • Works directly in a modern browser on desktop or mobile.
  • Designed for fast repeat use from the root URL /html-entity-encoder-decoder.
  • Input stays in your browser unless a tool clearly says otherwise.

Features

  • Encode HTML entities
  • Decode entities to text
  • Copy results
  • Works locally

Use Cases

  • Escape text for HTML
  • Decode copied web content
  • Clean markup snippets

HTML Formatter

Format messy HTML into readable, indented code directly in your browser.

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URL Encoder/Decoder

Encode or decode URLs and text for safe web transmission.

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Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 to text. Fast, secure, and private.

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Frequently Asked Questions

Is this tool free?

Yes. This RunX tool is free to use in your browser.

Does this tool upload my data?

No. The tool runs locally in your browser and does not send your input to a server.

Can I use it on mobile?

Yes. The interface is responsive and works on modern mobile browsers.