Show HN: Turning web highlights into deterministic Markdown (Sigilla)

I got tired of “read later” lists turning into a graveyard, and especially how messy exports are when you want to move notes into Obsidian/Logseq.

So I built Sigilla as a buffer layer: save an article, read it in a clean view, highlight + add notes, then export only the useful parts in a predictable format.

Example export looks like this:

"Article Title"

Saved: 2026-02-16 Tags: research, infra

Highlights

“Quoted highlight…” “Another highlight…”

Notes

My note linked to highlight 1

Another note

https://www.sigilla.net/

I’d love feedback on the export format/schema design. If you were piping this into your notes, what metadata would you want included by default (frontmatter, author, published date, content hash, etc.)?


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