Convert Binary to BCD
Encode every binary bit as a binary coded decimal. 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 Convert Binary to BCD
- 1. Enter a binary number. Paste the base 2 value you want to encode, such as 1010. The tool works out its decimal digits before producing the coded form.
- 2. Pick the nibble Separator. The Separator option sets what appears between the 4-bit digit groups. A space yields the classic 0001 0000 layout for 10, while an empty separator produces a packed stream for hardware registers.
- 3. Copy the BCD encoding. Copy the digit-per-nibble output and load it into your simulator, worksheet or the register of a decimal-oriented chip.
When to use Convert Binary to BCD
Convert Binary to BCD re-encodes a plain base 2 number so that every decimal digit gets its own four bits. That is the format decimal display hardware, clock chips and many industrial protocols consume, and computing it by hand means a full decimal conversion plus per-digit encoding that this tool collapses into one paste.
- Preparing values for a display driver. To show the number 87 on a BCD-driven seven-segment pair, you need 1000 0111. Convert your binary counter value here to know exactly what to latch into the driver.
- Writing values into an RTC. Setting the time on a DS3231 means writing hours and minutes as BCD. Encode each binary field first so your I2C writes carry correctly formatted nibbles.
- Testing a double-dabble implementation. The shift-and-add-3 algorithm is a classic FPGA exercise. Generate reference BCD outputs for a spread of binary inputs and assert against them in your testbench.
- Formatting data for legacy interchange. Certain banking and telephony records store amounts in packed decimal. Encoding sample values shows what your export routine must emit before you run it on real data.
Examples
Convert
Input
1010
Output
0001 0000
Larger
Input
1111
Output
0001 0101
About the Convert Binary to BCD tool
Convert Binary to BCD is a free online tool that works entirely inside your web browser. Encode every binary bit as a binary coded decimal. 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.
You can shape the output with the Separator 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.
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 Binary to BCD 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.