±Free
Matrix multiplication
Multiply two compatible numeric matrices (up to 20 × 20).
Enter each matrix as an array of equally sized rows, such as [[1,2],[3,4]]. The tool multiplies each row of A by each column of B and returns the product as a JSON matrix.
How to use
- Enter your text, values, or image.
- Adjust the options and run the tool.
- Copy or download your result.
Worked example
Example input
Matrix A (JSON rows): [[1,2],[3,4]] Matrix B (JSON rows): [[5,6],[7,8]]
Example result
[
[
19,
22
],
[
43,
50
]
]Limitations and details
Each input is limited to 20 × 20, and the column count of A must equal the row count of B; entries must be finite numbers.
Inputs and options
- Matrix A (JSON rows)
- Text
- Matrix B (JSON rows)
- Text
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.