Second brain tool

A second brain tool for useful web highlights

Foldmark gives you a practical second brain workflow: save important text while reading, process it when you have time, and retrieve it instantly later.

Add to Chrome Explore Foldmark

Foldmark visual for second-brain style highlight management — Build a calm capture system you can trust: save now, process later, recover instantly.

Second brain workflow that stays usable

Capture fast

Save highlighted text in one click so ideas are never left behind.

Process deliberately

Review your Inbox and move items to Processed when they are clarified.

Archive with confidence

Keep older ideas searchable in Archived without cluttering active work.

Recover knowledge quickly

Search and reopen source context when you need to validate or apply insights.

Built for calm and trust

Local-first storage by default.
No required account to get started.
Optional analytics is consent-gated.