Deleted pages stay here for 30 days, then they're removed for good. Subpages come back with their page.
Built-in templates are below. Any page becomes a template from its ⋯ menu.
Describe the chart in JSON. A function: {"type":"line","x":{"from":0,"to":"2*pi"},"series":[{"name":"sin","expr":"sin(x)"}]}. Your own numbers: use "points":[[1,3],[2,5]] in a series, or "type":"bar" with "labels" and "values". Or ask the AI to change it for you.
Margin saves a version when you start editing a page, every 10 minutes while you keep editing, and before AI changes or a restore.
Pick any provider and paste an API key. A ChatGPT or Claude chat subscription doesn't include one: keys come from the provider's developer console and are billed there. Gemini has a free tier, and Ollama runs free models on your own computer.
Your key is kept only in this browser and is sent only to the provider you pick.
Notes live in this browser. Clearing browsing data deletes them, so export a backup now and then. Backups hold your text but not images or attached files. Import adds pages from a backup, replacing any with the same ID.