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HTML 实体编码解码

Free browser tool

HTML Entity Encoder & Decoder

Escape reserved HTML characters or decode entity text while preparing docs, templates, snippets, and display-safe examples.

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Quick answer

An HTML entity encoder replaces reserved characters like <, >, and & with display-safe entity text.

An HTML entity decoder converts named or numeric entities back into readable characters.

Best inputs for HTML entity conversion

Use text snippets

Paste snippets you want to display in docs, tutorials, comments, or templates.

Do not rely on it as sanitization

Entity encoding helps display text, but unsafe HTML still needs a proper sanitizer in production.

HTML entity method
Encoding turns reserved characters into display-safe entity text.

Example

Encode a short HTML snippet before placing it inside documentation or a tutorial.

Assumption

Input is treated as text for conversion, not as trusted rendered markup.

Limitation

This tool helps with escaping text, but it is not a complete sanitizer for unsafe HTML.

Common use cases
Use entity conversion when code-like text needs to be displayed instead of rendered.

Documentation

Escape HTML snippets before placing them inside tutorials or examples.

Template cleanup

Decode entity-heavy strings copied from templates, CMS fields, or exports.

Safe examples

Show tags and attributes as readable text in posts, comments, or help docs.

Debugging

Inspect encoded output from logs, emails, or rendered page source.

Frequently asked questions

Is this the same as sanitizing HTML?

No. Entity encoding is useful for display-safe text, but sanitization is a broader security process.

Can it decode named entities?

Yes. Browser decoding handles common named and numeric entities.

Does it run without a backend?

Yes. Conversion happens in your browser.

Can I copy the result?

Yes. The result panel includes a copy button.

Suggested workflow

Snippet publishing path

Escape HTML snippets, preview Markdown docs, and encode links or query values when preparing examples.

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