Convert UTF8 to Hex
Quickly convert UTF8 characters to hexadecimal values. Runs entirely in your browser, so your data never leaves your device.
0 chars · 0 lines
Output
The result appears here as you type.
How to use Convert UTF8 to Hex
- 1. Paste the characters. Type or paste any Unicode text, including symbols and emoji outside the plain ASCII range, that you want encoded as raw UTF-8 bytes.
- 2. Set the Separator. Choose the character placed between each output byte, such as a space to produce a readable hex dump, or leave it empty for a solid string.
- 3. Copy the hex bytes. Copy the resulting byte sequence into a protocol payload, a hex editor or a script that needs the exact UTF-8 bytes behind a character like the euro sign.
When to use Convert UTF8 to Hex
Convert UTF8 to Hex shows the exact bytes a piece of Unicode text takes up when encoded as UTF-8. Use it whenever you need to see, transmit or verify the byte-level representation of characters beyond plain ASCII, like currency symbols or emoji.
- Understanding multi-byte character encoding. You want to see why a single visible character like the euro sign takes up three bytes, and confirming the exact hex sequence makes the encoding concrete.
- Building a network payload with special characters. A protocol message needs to include a symbol beyond ASCII, and you need the raw UTF-8 hex bytes to embed correctly in a binary packet.
- Debugging a mojibake report. A user's name or message displays as garbled text somewhere in your pipeline, and comparing the expected UTF-8 hex bytes against what was stored helps pinpoint the encoding bug.
Examples
Convert
Input
€
Output
e2 82 ac
About the Convert UTF8 to Hex tool
Convert UTF8 to Hex is a free online tool that works entirely inside your web browser. Quickly convert UTF8 characters to hexadecimal values. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 108 Hex utilities on EditSafely. Each one does a single job well, and all of them follow the same rule: your input stays on your machine.
You can shape the output with the Separator setting, and the result refreshes the moment you change it. A worked example further down the page shows exactly what the tool produces for a real input.
Because nothing leaves your device, the tool is suitable for sensitive content such as internal documents, credentials or customer data. It also responds instantly, since every keystroke is handled on your own machine rather than by a remote API.
Frequently asked questions
Does Convert UTF8 to Hex cost anything?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Is it safe to paste sensitive or confidential data?
No data leaves your device. The whole tool is JavaScript that runs inside your browser tab, so there is no upload, no server-side processing and no log of what you did. If you disconnect from the internet after the page loads, it keeps working.
How much text can I process at once?
There is no fixed limit. Because the work happens on your own device rather than on a shared server, the practical ceiling is your machine's memory, which comfortably handles inputs far larger than typical online tools allow.
Do I need to sign up or install anything?
Nothing to install and no account needed. Open the page in any up-to-date browser, including on a phone or tablet, and the tool is ready.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.