Moving to Helix

Helix (hx) is a modern modal editor built in Rust. Unlike Vim/Neovim, Helix ships with a built-in LSP client, tree-sitter integration, and multiple cursor support out of the box — no plugins required.

Why Helix over Vim/Neovim?

• Zero-config LSP — language servers are detected and configured automatically from your project. No more nvim-lspconfig or Mason.
• Tree-sitter natively — syntax highlighting, text objects, and navigation all use tree-sitter. No plugins needed.
• Multiple cursors — a first-class feature, not an afterthought.
• Built-in file picker — fuzzy finding via fzf-like interface, no Telescope.
• Selection-driven editing — Helix flips the Vim model: motions extend the selection first, then you act on it. This is more intuitive once you adjust.

Key Differences from Vim

Getting Started

1# macOS
2brew install helix
3
4# Arch
5sudo pacman -S helix
6
7# or build from source
8git clone https://github.com/helix-editor/helix
9cargo install --path helix-term

Configuration

Helix uses toml for everything. See the official config docs.

Example ~/.config/helix/config.toml:

 1theme = "catppuccin_macchiato"
 2
 3[editor]
 4line-number = "relative"
 5cursorline = true
 6color-modes = true
 7end-of-line-diagnostics = "hint"
 8
 9[editor.cursor-shape]
10insert = "bar"
11normal = "block"
12select = "underline"
13
14[editor.indent-guides]
15render = true
16
17[editor.inline-diagnostics]
18cursor-line = "warning"
19other-lines = "warning"
20
21[editor.lsp]
22display-messages = true

Language Configuration

Language servers, formatters, and tree-sitter grammars are configured in ~/.config/helix/languages.toml. See the language config docs.

 1
 2[language-server.ty]
 3command = "uvx"
 4args = ["--from", "ty", "ty", "server"]
 5
 6[[language]]
 7name = "python"
 8language-servers = ["ty"]
 9
10[language-server.rust-analyzer]
11command = "rust-analyzer"
12
13[[language]]
14name = "rust"
15language-servers = ["rust-analyzer"]
16auto-format = true

Key Mappings

Helix’s default keymap is well thought-out. See the official keymap docs.

Notable differences from Vim:

• <space> is the leader key — opens a menu of common actions (file picker, LSP commands, buffers, etc.)
• v enters select mode (equivalent to Vim’s visual mode)
• C copies the selection to the clipboard
• Alt + hjkl moves between split windows
• g (go-to) + h moves to the start of the line
• g (go-to) + l moves to the end of the line
• : opens the command mode (similar to Vim)

Switching from Vim

The biggest mental shift is selection-first editing. In Vim, you press d2w — a command followed by a motion. In Helix, you press 2w to extend the selection to the second word boundary, then d to delete the selection.

This means dd (delete line) becomes xd (extend to full line, then delete).

Vim muscle memory refresher:

Other things

• miw select current word
• vgl select to end of line (gh for beginning of line)

Official Resources

• Helix Homepage
• Official Documentation
• Keymap Reference
• Configuration Guide
• Language Support
• GitHub Repository
• Migrating from Vim