Swap Binary Bits
Swap pairs of adjacent bits in a binary number. Runs entirely in your browser, so your data never leaves your device.
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Output
The result appears here as you type.
How to use Swap Binary Bits
- 1. Paste your binary value. Enter a binary number with an even number of bits into the input pane, such as a nibble or byte you want to test a swap transformation on.
- 2. Review the swapped pairs. The tool swaps each pair of adjacent bits, so bit 0 trades places with bit 1, bit 2 trades with bit 3, and so on down the value.
- 3. Copy the result. Copy the transformed binary value from the output pane into a bit manipulation exercise, a hashing experiment, or a low-level coding note.
When to use Swap Binary Bits
Swap Binary Bits exchanges each pair of neighboring bits in a value, a small transformation used in some bit-shuffling and hashing routines. Use it to check what a specific pairwise swap produces without writing the logic yourself.
- Verifying a custom bit-shuffling function. You are implementing a bit permutation step in a hashing or obfuscation routine and want to confirm the expected output for a known input value.
- Studying bit manipulation coding interview problems. You are practicing bitwise interview questions and want to check the correct result of swapping adjacent bit pairs before writing your own solution.
- Exploring how small transforms change a bit pattern. You are experimenting with simple, reversible bit transformations and want to see visually how swapping pairs reshuffles a familiar binary value.
Examples
Swap adjacent bit pairs
Input
1010
Output
0101
Odd length keeps last bit
Input
10101
Output
01011
About the Swap Binary Bits tool
Swap Binary Bits is a free online tool that works entirely inside your web browser. Swap pairs of adjacent bits in a binary number. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 112 Binary utilities on EditSafely. Each one does a single job well, and all of them follow the same rule: your input stays on your machine.
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.
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
Is Swap Binary Bits 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.