Here is list of plugins for different editors
- Sublime Text 3 — Elixir.tmbundle - https://github.com/elixir-editors/elixir-tmbundle/#code-formatting-for-sublime-text-3
- Vim — vim-elixir https://github.com/elixir-editors/vim-elixir
- Vim — vim-mix-format https://github.com/mhinz/vim-mix-format
- Atom — Atom Elixir Formatter atom-elixir-formatter
- Emacs — elixir-mode https://github.com/elixir-editors/emacs-elixir
- Visual Studio Code — vscode-elixir-formatter vscode-elixir-formatter - Visual Studio Marketplace