OPML Viewer

The downloads page includes an optional OPML preview so you can inspect the exported feed bundles, preview recent posts from matched feeds, and scan one merged timeline before importing anything into Feedly, Inoreader, NewsBlur, or another reader.

Open the live viewer here: Downloads and OPML viewer.

Start Here

Use the downloads page in one of two ways:

Goal	Best path
Import the full collection right away	Stay in `Quick Downloads` and grab the OPML or JSON file you need.
Check that the bundle contains the right feeds	Open the OPML preview and browse the feed list or folder groups.
Spot-check one source before importing	Use `View Recent Posts` on a matched feed.
Compare what is publishing now across many feeds	Use `Load Merged Timeline`, then adjust `Timeline options` only if you need a different depth.

The preview is optional. If you already know which file you need, you can skip straight to the download cards.

What it shows

Flat OPML: a single list of feed subscriptions.
Categorized OPML: the same feed catalog arranged into folders based on the repository taxonomy.
Recent posts: fetches recent entries for a selected matched feed and renders them inline.
Merged timeline: combines the newest posts from the currently visible matched feeds into one list.
Timeline options: set the merged timeline size, limit how many posts come from each feed, and choose between a reused snapshot or a forced live refresh.
Sort controls: reorder the feed list or the currently visible post list without leaving the page.
Feed metadata from the canonical catalog when the OPML label matches a feed we can preview live.
Raw OPML samples so you can inspect the exported XML shape directly.

What the labels mean

Live preview ready: the feed maps back to a catalog entry the app can use for recent-post previews.
Export only: the feed appears in the OPML export, but the viewer cannot fetch a live preview for it in this page.
Merged timeline: one combined list of recent posts from the visible feeds that support live previews.
Refresh live: bypasses the short-lived timeline snapshot and fetches again.

Why this exists

OPML files are useful for readers, but they are awkward to inspect by hand once the export grows large. The viewer gives you a readable preview of:

how many outlines are in each export
which entries have recognizable catalog metadata
which folders appear in the categorized export
whether any OPML entries are unnamed or incomplete

Typical workflow

Open the downloads page.
Switch between Flat OPML and Categorized OPML.
Search for a feed, topic, or source type.
Use Feed order to keep the OPML order, sort alphabetically, or rank already-loaded feeds by their newest or oldest post date.
Click View recent posts on a feed to fetch recent items.
Use Load merged timeline when you want one recent view across the visible matched feeds.
Open Timeline options if you want a wider or narrower merged view.
Use Refresh live when you want to bypass the short-lived timeline snapshot and fetch again.
Use Sort posts to switch between newest-first, oldest-first, and title ordering.
Expand folders to inspect the actual entries that will be imported.
Download the export you want.

Notes

The viewer is both an OPML preview surface and a lightweight live feed inspector for matched feeds.
The merged timeline fetches a small number of recent items per visible source and then merges them by publish date.
The merged timeline snapshot is short-lived and meant to avoid repeating the same expensive live scan while you adjust filters or sorting.
On very large visible source sets, using the search filter first will make the aggregated live scan return sooner.
Catalog links and badges come from the canonical feed dataset when a matching title exists.
If an OPML label does not map back to a catalog record, the viewer marks it as export-only so it is easy to spot.

When to use each export

Export	Best for	Notes
`Flat OPML`	Fast import into a reader that does its own organization	Smallest decision surface, one list of feeds.
`Categorized OPML`	Readers where folder structure matters during import	Mirrors the repository taxonomy more closely.
`JSON Feed Data`	Scripts, apps, or custom tooling	Includes structured metadata instead of reader-focused OPML.

OPML Viewer

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