CloudConvert : An online tool for creating ZIP files without installing software. Zip and unzip files - Microsoft Support
WinZip : A popular paid alternative for both Windows and Mac. ex.zip
To prepare a file named ex.zip , you generally need to select the files or folders you want to include and use your operating system's built-in compression tool. On Windows the files or folders you want to group together. CloudConvert : An online tool for creating ZIP
Hover over and select "Compressed (zipped) folder" . ex.zip