# lebab > A JavaScript modernizer for transpiling code to ES6/ES7. > Transformations must be provided for all examples. > More information: . - Transpile using one or more comma-separated transformations: `lebab --transform {{transformation}}` - Transpile a file to `stdout`: `lebab {{path/to/input_file}}` - Transpile a file to the specified output file: `lebab {{path/to/input_file}} --out-file {{path/to/output_file}}` - Replace all `.js` files in-place in the specified directory, glob or file: `lebab --replace {{directory|glob|file}}` - Display help: `lebab --help`