Generate a Hex Addition Table
Create an addition table for hex numbers. Runs entirely in your browser, so your data never leaves your device.
Output
The result appears here as you type.
How to use Generate a Hex Addition Table
- 1. Pick a table Size. There is nothing to paste; just choose the Size. A size of 16 gives the full single-digit table covering 0 through f, while smaller sizes produce a compact reference for the digits you actually use.
- 2. Read the sums. The row and column headers are hex digits, and each cell holds their sum in hex. Look for where results grow a second digit, like 8 plus 8 giving 10, to internalize where carries happen.
- 3. Copy the table as text. The output is plain aligned text, so the copy button drops it straight into a study sheet, a code comment or a wiki page without any reformatting.
When to use Generate a Hex Addition Table
Generate a Hex Addition Table lays out every pairwise sum of hex digits in a grid. It exists because base-16 arithmetic intuition is learned, not innate, and a full table makes the carry boundaries visible at a glance. Use it as a teaching aid, a desk reference or a quick check while doing hex math by hand.
- Teaching number bases. In a computer science lesson on positional notation, a printed 16 by 16 addition grid lets students verify their manual base-16 sums the same way a decimal times table backed up grade school arithmetic.
- Hand-checking address arithmetic. While auditing a firmware memory map you keep adding small hex offsets to base addresses. Keeping the table open beats reaching for a calculator every time you need c plus 9.
- Writing docs for a hex-heavy protocol. Your protocol specification asks readers to combine nibble fields by addition. Embedding a generated table in the appendix means implementers can sanity-check examples without a converter.
Examples
16x16 hex sums
About the Generate a Hex Addition Table tool
Generate a Hex Addition Table is a free online tool that works entirely inside your web browser. Create an addition table for hex numbers. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 108 Hex 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 Size 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.
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 Generate a Hex Addition Table cost anything?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Does the generator send anything to a server?
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 do I get a different result?
Run the generator again. Each run is computed fresh on your device, and any options you change are applied to the next result immediately.
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.