Question 1

How do I use this?

Accepted Answer

Put the URLs of RSS feeds you want to combine in the box; browse the preview to make sure it's what you want; hit the button to get a permalink (that's a base-64 encoded URL of the feeds, so no real worry about bitrot).

Question 2

Why would I want to do this?

Accepted Answer

Lots of things take RSS. Relatively few things do a great job of interleaving multiple RSS feeds. This is a simple tool to do that.

Question 3

May I refer to it as rss4?

Accepted Answer

If you insist.

Question 4

What if I have a sitemap but not an RSS feed?

Accepted Answer

Check out Sitemap to RSS (https://www.sitemaptorss.com/), which does exactly what it says on the tin.

Question 5

What about if it's a calendar, not a sitemap?

Accepted Answer

Check out caltorss (https://caltorss.com/), which can convert public calendars (iCal/ICS) into RSS feeds that this tool can then combine and remix.

Question 6

Who built this?

Accepted Answer

Your friends at Buttondown (https://buttondown.com?utm_source=rss4), and they even made it open source (https://github.com/buttondown/rssrssrssrss).

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