fiokit.

Text & Hex Converter

Convert text to hexadecimal and back in one workspace. Choose a direction, swap the result into the input, then copy or download.

Hover over or focus a field for help. Press Escape to close.

Up to 200,000 characters. Processed locally.
0 UTF-16 units
0Words
0Characters
0Without spaces
0Lines

How it works

Paste your content or load the example. Choose the available options, run the tool, then copy or download the result.

A practical example

Your text

Hi

Result

48 69

Frequently asked questions

Is my input sent to a server?

No. Your content is processed in this browser. It is never sent to the server or saved.

What should I know about Text & Hex Converter?

Uses UTF-8 text. Invalid byte sequences are rejected. Binary input uses eight-bit groups; hex input accepts byte pairs with optional spaces. Base64 uses the standard alphabet and padding.