WCAG Contrast checker
Checks for compliance with the contrast levels of foreground and background colors combination based on the requirements of WCAG 2.2
WCAG Contrast checker is available to install from Firefox Browser Add-ons and for download from this page. It has 4,499 daily users The latest version is 3.8.4, and it was published a year ago.
Install from Firefox Browser Add-onsTotal download count: 0 (Only count downloads from Firefox-Stats)
All available versions
You can find the current and older versions of WCAG Contrast checker here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 3.8.4 | XPI · ZIP · Source code | 170.77K | 0 | 2024-03-02 |
| 3.8.3 | Paid users only | 170.74K | 0 | 2024-03-01 |
| 3.8.2 | Paid users only | 188.29K | 0 | 2024-02-24 |
| 3.7.2 | Paid users only | 183.51K | 0 | 2023-04-02 |
| 3.7.1 | Paid users only | 182.28K | 0 | 2023-03-29 |
| 3.7.0 | Paid users only | 182.26K | 0 | 2023-03-21 |
| 3.6.2 | Paid users only | 126.20K | 0 | 2023-02-27 |
| 3.6.1 | Paid users only | 125.50K | 0 | 2022-07-06 |
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the WCAG Contrast checker ZIP file
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on , then select Install Add-on From File
- Select the WCAG Contrast checker ZIP file from step 1. WCAG Contrast checker is now installed on your browser.