Convert UTF8 to UTF32
Quickly convert UTF8 encoding to UTF32 encoding. 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 UTF32
- 1. Paste the UTF-8 text. Type or paste the text you want re-encoded, such as Hi, into the input pane.
- 2. Choose a Separator. Enter the character placed between each 32-bit value, such as a space, matching how your C program's wchar_t dump or reference table formats values.
- 3. Copy the UTF-32 values. The output pane shows each character as an 8-digit hex value representing its full code point, with no surrogate pairs since every character fits in one 32-bit slot.
When to use Convert UTF8 to UTF32
Convert UTF8 to UTF32 produces the fixed-width, four-byte-per-character representation some internal string libraries and wide-character APIs use. It is a quick way to generate reference values for testing code that stores or indexes text using full code points instead of variable-width bytes.
- Generating test data for a wchar_t-based C program. You are testing a C program compiled with 32-bit wide characters and need known-good hex values for a specific test string to hardcode into a fixture.
- Checking a Python utf-32 codec round trip. You encoded a string with Python's utf-32 codec and want a reference conversion to confirm the byte values match what your code produced.
- Explaining fixed-width versus variable-width Unicode storage. You are teaching how UTF-32's fixed four bytes per character trades storage efficiency for simpler indexing, and want a real string converted both ways for comparison.
Examples
Encode
Input
Hi
Output
00000048 00000069
About the Convert UTF8 to UTF32 tool
Convert UTF8 to UTF32 does its work locally, right in the browser. Quickly convert UTF8 encoding to UTF32 encoding. There is no upload step, no queue and no account, and your data never travels over the network.
It belongs to the UTF-8 Tools collection on EditSafely, a set of 69 small, focused UTF-8 utilities that share the same instant, private workspace.
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.
Running locally also makes the tool fast and dependable: results appear as you type or drop a file, there is no server outage that can take it down mid-task, and confidential data can be processed without a second thought.
Frequently asked questions
Is Convert UTF8 to UTF32 free to use?
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?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
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?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
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.