Format, minify, and validate JSON locally with useful errors.
HTML, CSS & JavaScript Formatter
Apply lightweight indentation to HTML, CSS, or JavaScript source locally.
client processing
How to use HTML, CSS & JavaScript Formatter
Enter or choose your values, run the tool, and copy or download the result where available. Reset starts a clean calculation.
Private browser processing
This utility runs in your browser. Toolbox does not send its inputs to the server. Saved state is used only where the tool clearly says so.