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Measure your visual processing speed and cognitive efficiency with a clinical symbol-to-digit substitution task.
About this tool
Measure your visual processing speed and cognitive efficiency with a clinical symbol-to-digit substitution task.
Brain Processing Speed Test is a free neuroscience tool that runs entirely in your browser — nothing to install, no account to create, and your data never leaves your device. Open the page, add your input, and get a clean, copy-ready result in seconds.
Open Brain Processing Speed Test on AltFTool — it loads instantly in your browser.
Add your input to the workspace.
Adjust the options until the result looks right.
Copy or download the output and put it to work.
A focused workspace for one-off content, data, or planning jobs — open it, use it, done.
Start with a rough input and iterate until the result matches exactly what you need.
Copy or download the output for your project, document, or daily workflow.
Yes — Brain Processing Speed Test is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. Brain Processing Speed Test runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Measure your visual processing speed and cognitive efficiency with a clinical symbol-to-digit substitution task. It's built for quick, everyday neuroscience tasks with results you can copy or download straight away.
Yes — Brain Processing Speed Test works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.