EditorConfig generator
Choose indentation, line endings, charset and whitespace rules and copy a ready .editorconfig. Most editors read it directly or through a plugin, so everyone on the project saves files the same way.
Runs in your browser: nothing you enter is sent anywhere.
How to use it
- Leave the pattern as
* to cover all files, or enter a narrower one such as *.{js,ts}.
- Choose spaces or tabs and, for spaces, the size.
- Set line endings, charset and the whitespace options.
- Copy the result into a file named
.editorconfig at the top of your project.
What the properties mean
indent_style and indent_size set what the Tab key and auto-indent insert.end_of_line is the line ending used when a file is saved: lf, crlf or cr.charset is the file encoding: utf-8, utf-8-bom, latin1, utf-16be or utf-16le.trim_trailing_whitespace and insert_final_newline clean up the end of lines and files.max_line_length is a hint for editors that support it, with off to disable.
Example
The defaults produce root = true, a [*] section with two-space indentation, LF endings, UTF-8, trimming and a final newline, plus exceptions for Markdown and Makefiles.
Tips
- If your team works on Windows and Git converts line endings, check
core.autocrlf or .gitattributes so the two settings do not fight.
- Put language-specific rules in their own sections, for example
[*.py] with four spaces.
Frequently asked questions
What is an .editorconfig file?
A small text file that stores formatting rules such as indent style, line endings and charset for a folder. Editors that support EditorConfig apply the rules to files you open, regardless of personal editor settings.
What does root = true do?
EditorConfig looks for .editorconfig files in the file's folder and every parent folder. With root = true in a file, the search stops there, so a stray file higher up cannot change your rules.
Why keep trailing spaces in Markdown?
In Markdown two spaces at the end of a line make a line break. Trimming them would silently remove those breaks, so the generator adds a [*.md] section with trailing whitespace trimming turned off.
Why does Makefile get tabs?
make requires recipe lines to start with a tab character. The generator adds a [Makefile] section with indent_style = tab when your default is spaces.
Does EditorConfig format my code?
No. It sets editor behaviour for new edits: what Tab inserts, which line ending is saved. Use a formatter such as Prettier to reformat existing code.