Text & encoding

Unicode Escape Encoder

Convert text characters to JavaScript-style \uXXXX escapes. Nothing you enter leaves your browser.

Conversion direction Enter text

Result

Your result will appear here.

What this tool does

About the Unicode Escape Encoder

Convert text characters to JavaScript-style \uXXXX escapes. 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 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 Unicode.”
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:
Hello, 世界 👋
Select “Encode Unicode” and compare the result with the source before using it elsewhere.

What to know about the result

Processing happens in this browser. Your entered text and selected files are not sent to FormatCalc for conversion.

Common questions

Using the Unicode Escape Encoder

Is the Unicode Escape Encoder free to use?

Yes. FormatCalc's Unicode Escape Encoder is free to use with no account required.

Is my data private when I use the Unicode Escape 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 Unicode Escape Encoder?

Paste or type your input, select any available options, and choose Encode Unicode. You can then copy the result.

What should I check before using the result?

Processing happens in this browser. Your entered text and selected files are not sent to FormatCalc for conversion.