Generate a Binary Matrix
Matrix of 0s and 1s. 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 Binary Matrix
- 1. Set the matrix size. Enter values for Rows and Columns to control the shape of the generated matrix, made up entirely of 0s and 1s.
- 2. Adjust the density of ones. Move the Ones % slider to control roughly what fraction of cells come out as 1 rather than 0, from sparse to dense grids.
- 3. Copy the generated matrix. Copy the resulting matrix from the output pane into a script, test dataset, or puzzle that needs a random binary grid.
When to use Generate a Binary Matrix
Generate a Binary Matrix creates a random grid of 0s and 1s at whatever size and density you choose. It is a quick way to produce boolean test data or a starting grid for a puzzle or algorithm demonstration.
- Testing a grid-based algorithm. You are implementing a flood fill, connected components, or maze-solving algorithm and need a random binary grid to feed in as test input at a controlled density.
- Building a puzzle or game board. A grid-based puzzle needs a randomly generated layout of blocked and open cells, and generating a binary matrix at a chosen density gives a fresh board each time.
- Demonstrating a boolean matrix operation. A linear algebra or logic lesson needs a quick example of a boolean matrix to demonstrate an operation like AND or OR between grids, and this generates one on demand.
- Simulating sparse sensor activation data. You want to mimic a grid of sensors where only a small percentage are triggered at any moment, and setting a low Ones % produces a realistically sparse matrix.
Examples
A random 3×3 binary matrix (about 50% ones)
Output
1 0 1 0 1 1 1 0 0
About the Generate a Binary Matrix tool
Generate a Binary Matrix does its work locally, right in the browser. Matrix of 0s and 1s. There is no upload step, no queue and no account, and your data never travels over the network.
It belongs to the Math Tools collection on EditSafely, a set of 234 small, focused Math utilities that share the same instant, private workspace.
You can shape the output with 3 settings, including Rows, Columns and Ones %, and the result refreshes the moment you change one. A worked example further down the page shows exactly what the tool produces for a real input.
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 Generate a Binary Matrix 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.