CNET Editors' note: The Download Now link will prompt a local download of the Firefox extension. To install the extension directly, open the file using your Firefox browser.
Publisher's Description
From Michael Langley:
Validates a page using the W3C RSS Validator. Once you open the RSS feed into the browser window, you can right click on the page or goto the Tools menu and validate the RSS feed. The results will open in a new tab.
What's new in this version: Version 3.0 update for Firefox 3.6 .
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