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RealTechno Lab
RealTechno Lab

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How I Solved the "Sticky Header" Problem in Full-Page Screenshots with JavaScript

Hey everyone,

I take a lot of screenshots for bug tracking and design reference, but I kept running into two issues with existing tools: sticky/fixed headers repeating all the way down long captures, and having to use a second app just to blur out private data before sharing.

To fix this, I spent the last few months building Shuttera.

How it works:

Auto-scrolls full pages while ignoring fixed/sticky banners so they don't stack up visually.

Has a built-in editor to draw arrows, crop, or blur out emails and account details.

Includes a 3s/5s delay timer to capture open dropdown menus and hover states.

Runs completely offline inside the browser using Manifest V3 (no external servers or cloud uploads).

Exports to PNG, JPG, or multi-page PDF.

It's listed on the Chrome Web Store as "Shuttera - Full Page Screenshot & Annotate".

Since it's still relatively new, I'd really appreciate feedback from this sub—especially on any weird edge-case websites where scrolling captures break.

(I'll drop the direct store link in the comments below if anyone wants to test it out.)

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