You can download the official GUI and set up a view-only wallet, without downloading the entire blockchain. You would still have to sync you wallet with the network. This doesn't take a long time.  
[Connecting to remote node](https://getmonero.org/resources/user-guides/remote_node_gui.html) - so you don't have to download the blockchain.  
[Set-up a view-only wallet](https://monero.stackexchange.com/a/4582/1417)