Convert Signed Integer to Unsigned
Reinterpret signed integers as unsigned via two's complement. 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 Signed Integer to Unsigned
- 1. Paste the signed integers. Enter one or more signed integers, one per line or separated by spaces. Negative values are the interesting case here since they get reinterpreted as unsigned.
- 2. Choose the bit width. Select 8-bit, 16-bit, 32-bit or 64-bit to match the storage size your value comes from. The chosen width determines how two's complement wraps a negative value into its unsigned counterpart.
- 3. Copy the unsigned result. Copy the resulting unsigned value, for example -1 becoming 255 at 8-bit, and paste it wherever a program expects an unsigned representation of the same bit pattern.
When to use Convert Signed Integer to Unsigned
Convert Signed Integer to Unsigned reinterprets a signed value as unsigned using two's complement, at whichever bit width you specify. It is meant for developers moving values between typed languages or protocols that distinguish signed and unsigned integers.
- Porting a value between a signed and unsigned field. A protocol field is documented as unsigned but your code produced a negative signed integer for the same bit pattern. Convert it here to confirm what the unsigned side will actually see.
- Debugging an integer overflow in C or a similar language. A signed 8-bit or 32-bit variable wrapped to a negative value and you want to know its unsigned equivalent to match against a hex dump or memory viewer.
- Teaching how two's complement representation works. Explaining why -1 is stored as 255 in an 8-bit unsigned view is easier with a working converter students can try their own values in.
- Reading network byte data correctly. A packet capture shows a byte that your language parsed as signed, but the protocol spec defines the field as unsigned. Convert it here to get the value the spec intends.
Examples
Signed -1 as 8-bit unsigned
Input
-1
Output
255
Signed -128 as 8-bit unsigned
Input
-128
Output
128
About the Convert Signed Integer to Unsigned tool
Convert Signed Integer to Unsigned runs as plain JavaScript in your browser tab, with no server behind it. Reinterpret signed integers as unsigned via two's complement. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's Integer Tools section, 133 single-purpose utilities built around the same idea: open the page, get the result, keep your data to yourself.
You can shape the output with the Bit width setting, and the result refreshes the moment you change it. 2 worked examples further down the page show exactly what the tool produces for real inputs.
That local-first design has practical benefits beyond privacy. The tool keeps working on a flaky connection once the page has loaded, results are instant because nothing round-trips to a server, and it is safe to use with confidential material.
Frequently asked questions
Does Convert Signed Integer to Unsigned 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.