Page Ruler Plus
PulseGate's liveness check found it on 17 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 17 Sep 2026. How this is checked
Page Ruler Plus is a Firefox browser extension that lets users draw adjustable rulers and guide lines over web pages. It supports ruler color and style changes for checking the alignment of interface elements, and is intended for web designers and frontend developers.
Inferred · not functionally tested
Overview
5 featuresPurpose: Checking web-page element alignment and spacing without manually estimating dimensions.
Inferred · not functionally tested
Audience: web designers and frontend developers
Inferred · not functionally tested
Functions: Unknown
Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown
Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, embeddable
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: addons.mozilla.org · addons.mozilla.org. These links do not verify the individual claims.
Page Ruler Plus is a Browser DevTools & extensions project. Inferred · not functionally tested: It focuses on checking web-page element alignment and spacing without manually estimating dimensions. Inferred · not functionally tested: Page Ruler Plus is a consumer product aimed at web designers and frontend developers. Basis unknown · not verified: Page Ruler Plus is free to use. Basis unknown · not verified: Page Ruler Plus is available on the web and embeddable surfaces.
SUN52 builds and maintains Page Ruler Plus, and it first shipped in 2025. Inferred · not functionally tested: Among its 5 catalogued features are adjustable rulers, alignment guides, and color options. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- Adjustable rulers
- Alignment guides
- Color options
- Style options
- Toolbar activation
Topics: Inferred · not functionally tested
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
Frequently asked questions about Page Ruler Plus
- What is Page Ruler Plus?
- Inferred · not functionally tested: Page Ruler Plus focuses on checking web-page element alignment and spacing without manually estimating dimensions. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who is Page Ruler Plus for?
- Inferred · not functionally tested: Page Ruler Plus is a consumer product built for web designers and frontend developers.
- Is Page Ruler Plus free?
- Basis unknown · not verified: Yes — Page Ruler Plus is free to use.
- What platforms does Page Ruler Plus run on?
- Basis unknown · not verified: Page Ruler Plus runs on the web and embeddable surfaces.
- Is Page Ruler Plus still active?
- PulseGate's liveness check found it on 17 Sep 2026.
- What are alternatives to Page Ruler Plus?
- Similar projects tracked by PulseGate include Page Ruler, Pixel Ruler Pro, and Fabulous Page Ruler Redux.Page RulerPixel Ruler ProFabulous Page Ruler Redux
- Who develops Page Ruler Plus?
- Page Ruler Plus is developed by SUN52.
- When did Page Ruler Plus launch?
- Page Ruler Plus first shipped in 2025.
Similar projects
Closest matches by what these projects do