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Experience retinal adaptation and complementary afterimages through color staring or image processing.
About this tool
Experience retinal adaptation and complementary afterimages through color staring or image processing.
Afterimage Generator 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 Afterimage Generator on AltFTool — it loads instantly in your browser.
Upload or drag in the file you want to work with.
Adjust the settings and preview the result.
Download the finished file to your device.
Process images, audio, video, and documents directly in your browser — files never leave your device.
See the result before you export, so the final file is exactly what you expect.
Download output that's ready for your website, presentation, or client hand-off.
Yes — Afterimage Generator is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. Afterimage Generator runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Experience retinal adaptation and complementary afterimages through color staring or image processing. It's built for quick, everyday neuroscience tasks with results you can copy or download straight away.
Yes — Afterimage Generator works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.