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A simple and complete ruler to measure viewport distances with pinned guides. The Ruler – Advanced Pixel Measuring Tool The Ruler is a precise on-page measuring extension that lets you calculate pixel distances directly inside your browser. Built for developers, designers, and QA engineers who need accurate spacing, alignment, and layout validation. Features: • Measure distances using multiple points • Drag and rearrange anchors freely • Show / hide measurements instantly • Customize measurement colors • Switch between different line styles • Save presets for repeated workflows • Share presets with your team • Lightweight and distraction-free The Ruler works on any webpage and helps you inspect layouts faster without leaving the browser. Measure smarter. Work faster.
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Whether the listing includes at least one video.
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Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
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Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
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