Schema Markup Validator Firefox

Download Schema Markup Validator

Download Schema Markup Validator (current and past versions) for Firefox
xHeader
Modify request and response headers. No ads, no malware.
Latest Version: 1.0 Updated: 3 months ago

Ready to install?

Schema Markup Validator is available to install from Firefox Add-ons Store and for download from this page.
View source code
19
Daily users
No ratings yet
0
Total downloads

Available versions

You can find the current and older versions of Schema Markup Validator here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
1.0XPI · ZIP · Source code516.15KB02026-05-03
1.0 516.15KB
2026-05-03 · 0 downloads

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

  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the Schema Markup Validator ZIP file from step 1. Schema Markup Validator is now installed on your browser.

Best Schema Markup Validator Alternatives

Here are some Firefox add-ons that are similar to Schema Markup Validator: