How Notion HTML Blocks Work (And Their Limits)
Notion HTML blocks let you embed HTML, CSS, and JavaScript in any page. Here's what you can build, which plans support them, and the key limits to know.
Hey, I'm Matthias
I founded a Consultancy to build Notion systems for scaling teams — and teach you everything I know
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Expert Notion consulting for scaling teams ready to invest in getting this right.
Tutorials, templates, and deep dives for builders who want to master Notion themselves.
I trained for 8 years to be a lawyer.
I quit in 3 months.
I'd seen brilliant people drowning in broken systems — billing thousands per hour while fighting clunky tools and hunting for lost files. There had to be a better way.
That's when I discovered Notion. I realized that the right system doesn't just save time; it changes how teams think.
Today, I build those systems for ambitious teams across Europe.
Thoughts on building scalable systems

Notion HTML blocks let you embed HTML, CSS, and JavaScript in any page. Here's what you can build, which plans support them, and the key limits to know.

Notion Mail is shutting down — but you can still manage email in Notion. Three methods: on-demand skills, background agents, and a full email sync.
Notion is winding down Notion Mail on September 22. Here's what happens to your email, why it fits Notion's bigger strategy, and the best alternatives.