Everything you enter in the form bellow is not saved anywhere. Your browser is doing everything so there's no server side calls included.
When you enter the data bellow you need to take Vimeo Rate Limits into consideration. If the limit is reached,
 script will return list of video IDs that weren't included in the archive.
Script uses vimeo npm package to interacting with the Vimeo API. It uses /videos/{video_id}/pictures endpoint to retrieve thumbnails, and once 
 all images were retrieved and downloaded as base64 string, script will create a zip archive with JSZip and put images into the archive. After which zip
 archive with name thumbs.zip is downloaded.