Feedsmith — Fast parser & generator for RSS, Atom, OPML feed namespaces
Hi HN! While working on a project that involves frequently parsing a lot of feeds, I needed a fast JavaScript-based parser to extract specific fields from feed namespaces. Existing Node packages were either too slow or merged all feed formats, losing namespace information. So I decided to write it myself and created this NPM package with a simple API. Feedsmith supports all feed formats and many popular namespaces, including: Podcast, Media, iTunes, Dublin Core, and more. It can also parse and generate OPML files. I am currently adding support for more namespaces and feed generation for RSS,…
In plain words
Feedsmith is a JavaScript parser and generator for RSS, Atom, and OPML feeds that prioritizes speed and namespace preservation. It extracts data from multiple feed formats while maintaining namespace information that other parsers lose, supporting formats like Podcast, Media, iTunes, and Dublin Core. The tool is available as an npm package with a simple API and includes OPML parsing and generation capabilities, with ongoing development for additional namespace support and feed generation features.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN! While working on a project that involves frequently parsing a lot of feeds, I needed a fast JavaScript-based parser to extract specific fields from feed namespaces. Existing Node packages were either too slow or merged all feed formats, losing namespace information. So I decided to write it myself and created this NPM package with a simple API. Feedsmith supports all feed formats and many popular namespaces, including: Podcast, Media, iTunes, Dublin Core, and more. It can also parse and generate OPML files. I am currently adding support for more namespaces and feed generation for RSS, Atom and RDF. The library grew into something bigger than I initially anticipated, so I also started creating a dedicated documentation website to describe all the features.
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