Free tools
Free tools for mobile developers.
Small, fast tools for the fiddly parts of shipping apps. No sign-up.
Universal Link & App Link Validator
Check apple-app-site-association and assetlinks.json the way Apple and Google read them, including Apple's CDN and your exact path.
Open the tool →Get UDID
Find an iPhone or iPad UDID in Safari in 30 seconds, for Apple Developer, ad hoc and development builds. Nothing stored.
Open the tool →