https://underpassapp.com/LinkUnshortener/
Link Unshortener
Link Unshortener is a Mac app that expands shortened web links, following redirects until it reveals the destination URL.
unshortener
https://checkshorturl.com/
Your Free URL Unshortener Tool | Check Short URL
CheckShortURL is a tool that lets you preview and verify shortened links. Use it to see the original URL and a screenshot before you visit the destination.
tool checkfreeurlunshortener
https://trueurl.com/
TrueURL - Check URL Redirects and Chain, URL Unshortener, URL Expander | URL Redirect Checker
check urltrueurlredirects