Convert Big Endian Hex to Little Endian Hex
Convert a hex number in big-endian byte order to little-endian. 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 Big Endian Hex to Little Endian Hex
- 1. Paste the big-endian value. Enter a hex number whose most significant byte comes first, such as 12345678, into the input pane. Values are handled byte-wise, two digits at a time.
- 2. Bytes get mirrored. The tool splits the number into byte pairs and reverses their order, so 12345678 becomes 78563412. Digits within each byte stay put; only the byte sequence flips.
- 3. Copy the little-endian form. Copy the reordered value and use it wherever the consumer expects least significant byte first, such as an x86 memory view or a wire format field.
When to use Convert Big Endian Hex to Little Endian Hex
Convert Big Endian Hex to Little Endian Hex flips byte order for you, which is one of the most error-prone manual edits in low-level work. Network protocols and file format specs usually document values big-endian, while x86 and most ARM systems store them reversed in memory.
- Matching spec values to memory dumps. A file format spec says the magic number is 0x89504e47, but your hex editor shows the bytes reversed. Convert the spec value to compare directly against the little-endian dump.
- Preparing constants for x86 patching. When patching a binary, the 32-bit immediate you want must be written least significant byte first. Convert the intended value so the bytes you type into the editor are correct.
- Translating network captures for parsers. A field arrives on the wire in network byte order but your quick script reads it as a native little-endian integer. Converting the expected value explains the mismatched comparison.
- Cross-checking serialization code. Your Rust or C++ code calls a byte-swap before writing a header field. Run the input through this tool and confirm the emitted bytes match the swap you expected.
Examples
Big to little endian
Input
12345678
Output
78563412
Pad odd length
Input
abc
Output
bc0a
About the Convert Big Endian Hex to Little Endian Hex tool
Convert Big Endian Hex to Little Endian Hex does its work locally, right in the browser. Convert a hex number in big-endian byte order to little-endian. There is no upload step, no queue and no account, and your data never travels over the network.
It belongs to the Hex Tools collection on EditSafely, a set of 108 small, focused Hex utilities that share the same instant, private workspace.
There is nothing to configure. Provide the input and the result appears on its own. 2 worked examples further down the page show exactly what the tool produces for real inputs.
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
Does Convert Big Endian Hex to Little Endian 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.