HTML Encoder/Decoder
Encode and decode HTML entities instantly for web development, content editing, and debugging.
HTML Encoder/Decoder
This calculator auto-updates when values change.
About This HTML Encoder/Decoder
This HTML encoder and decoder converts special characters to HTML entities and decodes entities back to readable text.
It helps prevent rendering issues when showing code snippets, user-entered content, or text that includes reserved HTML characters.
How to Use This Tool
- 1
Choose encode or decode
Select whether you want HTML-safe output or readable text.
- 2
Paste your content
Enter the text, markup, or encoded entities you want to convert.
- 3
Copy the result
Use the output in your HTML, documentation, CMS, or debugging workflow.
Frequently Asked Questions
Which characters are encoded?v
The calculator encodes common reserved characters such as ampersands, angle brackets, quotes, and apostrophes.
Does this execute HTML?v
No. It treats the input as text and does not run scripts or render submitted markup.
Why encode HTML?v
Encoding helps display reserved characters safely instead of letting the browser interpret them as markup.