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Preview of Mockup Mode

Mockup Mode by Niels

Transforms any webpage into a prototype/mockup style. Draw annotations and export screenshots.

Available on Firefox for Android™
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Screenshots
This is what wikipedia looks like in mockup mode, with some annotations on top. Screenshot is made with the export function.
About this extension
Transforms any webpage into a prototype/mockup style (with tweakable settings). You can use this tool when showing prototypes of web based products to clients, to help them realize it is a prototype, not a finished product. Anything can be changed, and feedback is welcome. The plugin adds support for annotating directly on top of the page, with export as image.
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for all websites

Optional permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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Version
1.1
Size
19.11 KB
Last updated
9 days ago (Jun 26, 2026)
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