How to take a scrolling screenshot of a long page on Mac

Webpages, Slack threads, and long designs rarely fit one screen. If you need a full-length shot to share or keep, macOS’s built-in screenshot app can’t do it — it only grabs what’s visible. That’s what scroll capture is for.

What scroll capture does

Instead of one static frame, scroll capture records a page as you scroll and sews the frames together into one seamless, tall image. You end up with the whole article, thread, or design in a single file you can save or send.

• One tall image, not a stack of screenshots.
• Auto-stitched so lines and edges line up cleanly.
• Copied to your clipboard ready to paste the moment you finish.

Free first: your browser can already do webpages

If the thing you want is a webpage, you may not need any app. In Chrome, open DevTools (⌘⌥I), press ⌘⇧P, type “screenshot” and pick Capture full size screenshot — Chrome scrolls the page internally and downloads one tall PNG. In Firefox it is simpler: right-click the page, choose Take Screenshot, save the full page. Safari can do it too via Web Inspector (right-click the <html> tag → Capture Screenshot), though it is the fiddliest of the three.

Where all three stop: they only work on pages a browser renders. A Slack thread, a Figma frame, an editor pane, a settings window — no browser command reaches those, and that’s the gap a scroll-capture tool fills for anything on screen.

How it works in iShot

Hit the scroll-capture tool, then scroll up or down yourself — iShot watches and captures. When you hit the bottom, press your finish key and it stitches and copies the full-length shot.

Because you control the scrolling, it works on pages that auto-scroll tricks can’t handle — chat apps, editor panes, and other apps with moving content.

When scrolling captures work best

• Full-length webpages and long articles.
• Conversation threads you want to archive or share.
• Multi-screen design specs and flow diagrams.

Getting a clean stitch

Stitching quality depends on how you scroll more than on the app. Scroll at a steady, moderate pace — a flick of the trackpad that jumps two screens at once leaves frames the stitcher can’t overlap. Keep the pointer out of the capture area, pause a beat at the very top before starting, and stop scrolling for a moment at the bottom before you press finish so the last frame is settled. Sticky headers are the classic stitch-killer; if the result has a repeated bar every few inches, that’s one — crop it out or hide it first.

Test it on your real content before trusting it with the shot that matters: stitching is where cheap tools pretend hardest, and quality varies more between apps than any spec sheet admits.

Captured it and need to highlight the important part? Here’s the fastest way to annotate a screenshot on Mac. Wondering which capture apps can even do this? The six-way comparison shows scrolling-capture support for each, with sources.