Validators

Feed Validator for Atom and RSS - - This is a validator for syndicated feeds. It works with RSS 0.90, 0.91, 0.92, 0.93, 0.94, 1.0, and 2.0. It also validates Atom feeds.

Feed Validator for RSS and Atom - - Provides schema-based online validation for Atom and RSS feeds and a large testsuite for developers of similar tools.

Feedvalidator-users Email List - - Questions, bugs, patches, and general discussion of FeedValidator.org's Atom and RSS feed processing service.

Redland RSS 1.0 Validator and Viewer - - Enter the address of an RSS 1.0 feed into the form, and it will be validated and formatted for display.

RSS1.0 Validator (ldodds.com) - - An experimental online RSS1.0 Validato.

Userland RSS validator - - Userland Software's online validator for RSS 0.9.

W3C RDF Validation Service - - A full RDF Validation Service - for use with any RDF, not just RSS 1..

Will the real RSS validator please stand up? [dive into mark] - - Elaborates on how the RSS community is in disagreement about the exact format for RSS feeds and individual entries. (June 26, 2003)