HTML Entity Encoder/Decoder
RunDev
Encode special characters to HTML entities (< > &) or decode them back.Updated 2026-03-11
Click output to copy
Ctrl+Enter Run Ctrl+Shift+C Copy output
How to Use
- Copy the formatted result
- Paste your code or data into the input
- Review output with syntax highlighting
- Select formatting options
FAQ
What browsers are supported?
All modern browsers: Chrome, Firefox, Safari, Edge. Some features need recent versions.
Which standards does it follow?
Follows the latest official specifications — RFC, W3C, or ECMA as applicable.
Is the output production-ready?
Yes, generates clean, standards-compliant output suitable for production use.
Does it validate input?
Yes, input is validated and clear error messages are shown for any issues.
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