# detox > Renames files to make them easier to work with. > It removes spaces and other such annoyances like duplicate underline characters. > More information: . - Remove spaces and other undesirable characters from a file's name: `detox {{file}}` - Show how detox would rename all the files in a directory tree: `detox --dry-run -r {{directory}}` - Remove spaces and other undesirable characters from all files in a directory tree: `detox -r {{directory}}`