Glacier is here

6 November 2026 · by Mito

Glacier is out, for Chrome, Edge and Firefox. It's a paper notebook in your browser's sidebar, right beside the page you're reading.

I made it because my best thoughts kept arriving in the middle of reading, and the notebook was always somewhere else. Now it sits next to the text, and the page I'm on keeps its own note for when I come back.

What's in the first version

Writing that feels like paper. Click and write. Type # for a heading, a dash for a list, - [ ] for a checkbox. Sketch an arrow or a little map right inside the note.

Each page keeps its note. Start a note for the page you're on, and it opens again whenever you return to that page.

Clip to Glacier. Select a sentence on any page, right-click, and it arrives in your note as a quote, with a link back to where you found it.

Eleven papers. Glacier, Forest, Ocean, Desert, Volcano and Aurora; Blank Page, School Notebook, Chalkboard, Moleskine and Engineer. Each has its own colours and handwriting, and the six Nature papers have a small pixel landscape along the bottom.

A little break on every paper. Type /break and the paper you write on becomes a small game: a penguin on the ice, a squirrel in the forest, a chalk snake on the blackboard. Two minutes, then back to your note.

Three ways to see your notes. Zen shows only the paper and your note. Course lets you work through an online course lesson by lesson. Home shows where you left off, your courses and your collections.

Your notes stay yours. They live where you choose: in your browser, in a folder on your computer, in your Google Drive or on GitHub. Always as plain Markdown files that open anywhere.

Free

Everything for writing is free, and it stays that way. Soon you can also support Glacier by buying me a cup of tea, once or every month. As a thank you, four more papers become yours: Kyoto, New York, Marrakech and Hong Kong at night, each with its own game.

What comes next

Two more papers for everyone are on their way: a Dot Journal and a Legal Pad, each with a new game. And if you'd like something in Glacier, write to me at hello@glaciernotebook.com. I read every message.

Get Glacier

Add it to Chrome, which also works in Edge, or get it for Firefox. It's free.