Renaming screenshots by window title refers to automatically labeling your screenshot image files using the name of the application window or document tab captured, instead of a generic name like "Screenshot_123". Specialized screenshot tools, not the built-in OS shortcuts, enable this. They access the title text of the active window when the screenshot is taken and use it to generate the filename.

This functionality is commonly implemented by dedicated screenshot utilities or productivity software. For instance, tools like ShareX (Windows), Snagit (Cross-platform), or CleanShot X (macros) offer options to configure filename templates using variables like %title% or %wndtitle%. Similarly, some file managers or automation scripts can extract a window's title using system APIs and rename the saved screenshot after the capture occurs.

The main advantage is vastly improved screenshot organization, making files instantly identifiable without manual renaming. However, limitations exist: window titles can sometimes be long, truncated, or contain special characters incompatible with filenames, requiring cleanup. Reliability depends on the tool accurately retrieving the correct window title. Future developments may focus on smarter normalization of titles or integration with wider workflow automation platforms. Adoption grows as users increasingly need efficient ways to manage visual documentation.