ClipSync app
ClipSync is a Common Clipboard tool between Windows and Android. You can do Ctrl+C in Windows and paste in Android.
NOTE: With the update from Android 10 the clipboard access to any Android apps is restricted from the OS, so this app will not work in Android 10 or later devices, but Windows to Windows Copy Paste Clipboard syncing will work as usual. Will work perfect with lower versions of Android OS than 10 Android 10 Policy Change.
You can find the Windows compnion here.
Note: This app is no longer updated, its source repo was archived.