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Baseliner icon

Baseliner Chrome Extension Analysis

Developer & Designer Tools

Chrome extension ID: agoopbiflnjadjfbhimhlmcbgmdgldld

Baseliner is a browser extension that overlays horizontal and vertical grids onto web pages. It is primarily used to check vertical rhythm, grid consistency, and element alignment during the web design or development process.

Developer:J. Pedro Ribeiro
Version:7.2
Size:205KiB
Last updated:
View developer profile
External:Chrome Web StoreOfficial website

Overview

Installs

5K+

Rating

★ 4.3

47 reviews

Languages

1 locales

Includes English (United Kingdom)

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

Developer & Designer Tools

Pricing friction

Low review signal

Complaint intensity

Moderate review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

Baseliner positions itself as an essential utility for web designers and developers needing to verify visual alignment. It emphasizes ease of use through customisable CSS layers that can be toggled on top of any website.

Inferred product pattern

Single-purpose open-source utility for visual web design QA.

Review-backed pain points

Some users report the extension failing to activate or work on their specific hardware/OS configurations.

Observed feature gaps

Users have requested the ability to edit default grid settings permanently.

Tags
Grid OverlayUI DesignWeb DesignLayout Tool
Target users

- Web Designers

- Front-end Developers

- UI/UX Professionals

Primary use cases

- Visual grid alignment

- Checking vertical rhythm

- Validating CSS layouts

Positive themes

- Easy to use

- Helpful for layout validation

- Useful grid offsetting feature

Negative themes

- Installation or execution failures on specific operating systems

- General non-functionality for some users

Observed friction

- Performance complaints detected

- No pricing friction observed as the tool appears to be free.

Evidence boundary: Extracted from public store descriptions and user reviews discussing functionality, utility, and occasional hardware-related performance issues. Review sample size is relatively small and includes non-English feedback regarding basic functionality, limiting deep insights into current technical performance.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

No specific support complaints; the developer directs users to GitHub for issue tracking.

Reliability

Minor reports of the tool failing to load or work on certain devices like ThinkPads or specific OS versions.

Privacy

None identified.

Access & pricing

- Free usage observed

- No account requirement observed

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 3

- Videos: 0

- Languages: 1

Trust signals

- Developer contact

- Official website

Store metadata

- Version: 7.2

- Size: 205KiB

- Last updated:

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

grid overlay extensioncss alignment toolweb design rulervertical rhythm checker

Comparison

Baseliner alternativesweb design grid tool

Problem

website grid alignment issuesfix vertical rhythm

Alternative

page rulerperfect pixelgrid overlay

Similar extensions

Jump to related discovery paths:

More in developerMore from this developer

Screenshots

Baseliner screenshot
Baseliner screenshot
Baseliner screenshot

Links

Website: jpedroribeiro.com

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