Learn Vim in your browser.
This is a free, browser-based Vim tutorial: short, hands-on lessons and tips, each with a real Vim editor embedded on the page — no install required. You read the prose, then practice right there.
The editor is not a simulation — it's vim.wasm, an actual build of Vim 8.2 compiled to WebAssembly and running in your browser. Whatever works in Vim should work here.
This site is a revival of the original vimmer.io, which was sunset as a paid product.
Open the Course map in the header to browse every lesson and a pile of tips for things you may not have known Vim could do — or jump straight in.