Guides
Short, practical how-tos for capturing, annotating and explaining things on screen. Each one covers the built-in and free options first, then shows how GrabCanvas does it.
How to take a scrolling screenshot on LinuxGNOME, KDE, X11 and Wayland: what the desktop can't do, browser tricks that work, and a one-shortcut option.
How to copy text from a screenshot or imageWindows, macOS and Linux methods that need no upload, from built-in tools to command-line OCR.
How to turn screenshots into a step-by-step guideA repeatable way to write a how-to with numbered screenshots and export it to Markdown, Word, HTML or PDF.
Looking for a tool rather than a how-to? See the comparisons or the feature overview. Missing a topic? Write to info@grabcanvas.com.