Use Obsidian & Zettelkasten to summarize a YouTube video

Summarizing YouTube videos becomes reusable knowledge when fleeting notes from watching are systematically transformed into literature notes and then distilled into permanent notes linked to an existing knowledge structure. The core workflow uses Obsidian plus a Zettelkasten-style pipeline: capture quick takeaways while the video is fresh, convert them into structured literature notes on a desktop, and finally create permanent notes that answer how the ideas fit into ongoing research.

The process starts with “fleeting notes” stored as daily notes inside Obsidian. After watching on a mobile phone, the viewer copies the YouTube link into a daily note and adds immediate observations. Later, when time allows, those scattered notes are cleared up by converting them into literature notes on a Mac with a full keyboard and mouse.

Next comes the literature-note build. A new note is created using Obsidian’s double-bracket link syntax, with emojis used to distinguish note types. On macOS, the workflow leans on Alfred to trigger different emoji-based note categories (examples given: e1 for a hub note emoji, e2 for a permanent note emoji, e3 for a literature note emoji). If Alfred isn’t used, similar text-to-emoji shortcuts can be configured through macOS Keyboard settings. The note is named using the YouTube video title, then opened into a blank template-driven structure.

Templates are central to keeping the note consistent. The workflow turns on Obsidian’s Templates core plugin and points it to a folder containing templates for daily notes, hub notes, sub-hub notes, and YouTube video notes. A template insertion can be triggered via a mapped shortcut (option command t) or through the Command Palette (command p → “Insert template”). The template auto-fills fields such as medium (generated from the template), status (e.g., “in progress”), creative date, and relationships like “hub” and “related.” The author also embeds the YouTube video directly into Obsidian by using YouTube’s Share → Embed → copy code, so the summary can be revisited without leaving the workspace.

After the literature note is filled out, the workflow optionally adds a clean summary at the top for faster future reading. The final step is creating permanent notes by asking targeted questions: how the information supports current research, how it connects to existing Zettelkasten material, how it might be useful later, and whether recent notes conflict or reinforce the new ideas. In this example, the video’s theme is work-life balance, and the permanent notes are linked back to related hub content, including references to Jeff Bezos and Simon Sinek.

To turn isolated notes into a thinking system, permanent notes are organized into “lines of thought” (chains) using tags and numbering. Notes that belong to the same chain are placed in sequence, then visualized in Obsidian’s graph view using the chain tag. The result is a connected map of ideas that can be reshuffled and expanded as new notes arrive—turning video summaries into an evolving knowledge network.