a11y-overlay

Extension Developer Tools

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Item media 2 (screenshot) for a11y-overlay

Item media 3 (screenshot) for a11y-overlay

Overview

Inject a11y-overlay into the current page to inspect landmarks, headings, focus order, and layout structure.

Visualize page structure, landmarks, headings, focus order, and layout layers on any tab.

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Details

Version
0.1.0
Updated
April 20, 2026
Flag concern
Offered by
r2d2
Size
13.8KiB
Languages
English (United States)
Developer
Email
bvenegas@ranvier-technologies.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

a11y-overlay has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

a11y-overlay handles the following:

Website content

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Hnspector - Inspect headings

5.0

Inspect heading structure for SEO. Find, highlight and copy on any H tag on a web page.

Accessibility Visualizer by Webability

5.0

Visualize and audit accessibility on any webpage. Inspect landmarks, headings, focus order, ARIA roles, and more.

Navigate like a screen reader

0.0

Finds landmarks, headings, links and form controls on a page and lets you navigate with them, much as a screen reader user can)

Heading Structure Checker

0.0

Extract H1–H6 headings from any webpage and check hierarchy, level skips, and duplicates.

HTML5 Outliner

4.2

Generates a navigable page outline with heading and sectioning elements

Measure-it

3.5

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Image Inspector

5.0

Inspect all images on the current page with their format and size details

Guide lines

4.2

Easily check the visual alignment of the page elements.

Page Gallery

4.0

Displays a gallery of the images on the current page with filtering and sorting.

Speed Dial 3

0.0

New Tab Page Replacement with neat Speed Dial or Notes, sync and organize bookmarks

Pencil Window

5.0

Draw on any page. Your strokes follow scroll and stay per URL. Open a notes dashboard to jump back to any saved drawing.

Turnitin Class Helper

0.0

Sort assignments, keep local checklist progress, and open assignments in new tabs.