Text & encoding
HTML Entity Encoder
Encode special characters for safe HTML display. Nothing you enter leaves your browser.
Your result will appear here.
What this tool does
About the HTML Entity Encoder
Encode special characters for safe HTML display. It is useful for preparing text for another system, inspecting an encoded value, or applying a repeatable cleanup step.
It is useful for preparing text for another system, inspecting an encoded value, or applying a repeatable cleanup step.
How to use it
- Enter HTML text in the input pane. Use the example button if you want to see the expected syntax.
- Review the input for the structure shown in the example. Then select “Encode HTML.”
- Inspect the result for warnings or structural differences, then copy it into the destination system.
Practical example
Start with a known input
Try this sample input: <p>5 > 3 & 2 < 4</p> Select “Encode HTML” and compare the result with the source before using it elsewhere.
What to know about the result
- HTML output is markup rather than a visual screenshot. Review or sanitize generated markup before inserting it into an untrusted publishing system.
- Processing happens in this browser. Your entered text and selected files are not sent to FormatCalc for conversion.
Common questions
Using the HTML Entity Encoder
Is the HTML Entity Encoder free to use?
Yes. FormatCalc's HTML Entity Encoder is free to use with no account required.
Is my data private when I use the HTML Entity Encoder?
Yes. This tool processes your input locally in your browser. FormatCalc does not upload or store what you enter.
How do I use the HTML Entity Encoder?
Paste or type your input, select any available options, and choose Encode HTML. You can then copy the result.
What should I check before using the result?
HTML output is markup rather than a visual screenshot. Review or sanitize generated markup before inserting it into an untrusted publishing system. Processing happens in this browser. Your entered text and selected files are not sent to FormatCalc for conversion.