# qlmanage > QuickLook server tool. - Display QuickLook for one or multiple files: `qlmanage -p {{filename}} {{filename2}}` - Compute 300px wide PNG thumbnails of all JPEGs in the current directory and put them in a directory: `qlmanage {{*.jpg}} -t -s {{300}} {{path/to/directory}}` - Reset Quicklook: `qlmanage -r`