|
| 1 | +--- |
| 2 | +title: Accessibility Browser Extensions |
| 3 | +layout: default |
| 4 | +category: Testing |
| 5 | +summary: How to download Accessibility web browser extensions |
| 6 | +date: 2026-01-15 |
| 7 | +--- |
| 8 | + |
| 9 | +## Links for Accessibility testing Browser extensions |
| 10 | + |
| 11 | +### Accessibility Insights |
| 12 | + |
| 13 | +To request to have Insights for **Windows** installed on your desktop from the NSD Application Catalogue: |
| 14 | + |
| 15 | +- Navigate to [NSD](https://iservice.prv/eng/imit/nsd/index.shtml "NSD") |
| 16 | +- From the **Application Catalogue**, click the **Commercial Software** tab, then select the *Accessibility Insights for Windows* link and click *Install*. |
| 17 | +- The installation should take approximately 2 days. |
| 18 | + |
| 19 | +Add the [Accessibility Insights Browser Extension](https://accessibilityinsights.io/downloads/ "Accessibility Insights Browser Extension") directly within your browser (for Chrome and Edge): |
| 20 | + |
| 21 | +[<img src="../assets/a11y-web-extensions/Insights_1.png" width="50%" alt="Accessibility Insights web extension - download"/>](../assets/a11y-web-extensions/Insights_1.png) |
| 22 | + |
| 23 | +[<img src="../assets/a11y-web-extensions/Insights_2.png" width="70%" alt="Accessibility Insights web extension - Get"/>](../assets/a11y-web-extensions/Insights_2.png) |
| 24 | + |
| 25 | +[<img src="../assets/a11y-web-extensions/Insights_3.png" width="40%" alt="Accessibility Insights web extension - Add Extension"/>](../assets/a11y-web-extensions/Insights_3.png) |
| 26 | + |
| 27 | +[<img src="../assets/a11y-web-extensions/Insights_4.png" width="40%" alt="Accessibility Insights web extension - Successful install"/>](../assets/a11y-web-extensions/Insights_4.png) |
| 28 | + |
| 29 | +### WAVE |
| 30 | + |
| 31 | +Add the [WAVE Browser Extension](https://wave.webaim.org/extension/ "WAVE Browser Extension") directly within your browser (for Chrome, Edge, Firefox): |
| 32 | + |
| 33 | +[<img src="../assets/a11y-web-extensions/WAVE_2.png" width="40%" alt="WAVE web extension - download"/>](../assets/a11y-web-extensions/WAVE_2.png) |
| 34 | + |
| 35 | +[<img src="../assets/a11y-web-extensions/WAVE_3.png" width="30%" alt="WAVE web extension - Get"/>](../assets/a11y-web-extensions/WAVE_3.png) |
| 36 | + |
| 37 | +[<img src="../assets/a11y-web-extensions/WAVE_4.png" width="40%" alt="WAVE web extension - Add extension"/>](../assets/a11y-web-extensions/WAVE_4.png) |
| 38 | + |
| 39 | +[<img src="../assets/a11y-web-extensions/WAVE_5.png" width="40%" alt="WAVE web extension - Successful install"/>](../assets/a11y-web-extensions/WAVE_5.png) |
| 40 | + |
| 41 | +### Axe Dev Tools |
| 42 | + |
| 43 | +Add the [Axe DevTools Browser Extension](https://www.deque.com/axe/devtools/extension/ "Axe DevTools Browser Extension") directly within your browser (for Chrome, Edge, Firefox): |
| 44 | + |
| 45 | +[<img src="../assets/a11y-web-extensions/Axe_1_Note_ScrollToBottomOfPage.png" width="50%" alt="Axe Dev Tools web extension - Get"/>](../assets/a11y-web-extensions/Axe_1_Note_ScrollToBottomOfPage.png) |
| 46 | + |
| 47 | +[<img src="../assets/a11y-web-extensions/Axe_2.png" width="30%" alt="Axe Dev Tools web extension - Get"/>](../assets/a11y-web-extensions/Axe_2.png) |
| 48 | + |
| 49 | +[<img src="../assets/a11y-web-extensions/Axe_3.png" width="40%" alt="Axe Dev Tools web extension - Add extension"/>](../assets/a11y-web-extensions/Axe_3.png) |
| 50 | + |
| 51 | +[<img src="../assets/a11y-web-extensions/Axe_4.png" width="40%" alt="Axe Dev Tools web extension - Successful install"/>](../assets/a11y-web-extensions/Axe_4.png) |
| 52 | + |
| 53 | +### W3C HTML validation |
| 54 | + |
| 55 | +Add your HTML source code directly to the **Validate by Direct Input** field in the [W3C Markup Validation Service](https://validator.w3.org/#validate_by_input "W3C Markup Validation Service"), to validate HTML compliance: |
| 56 | + |
| 57 | +[<img src="../assets/a11y-web-extensions/W3C-html-validator.png" width="70%" alt="W3C HTML Markup Validation Service"/>](../assets/a11y-web-extensions/W3C-html-validator.png) |
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