I've been using LastPass as a password manager for years now. If you're not already using one, there's no reason not to give it a try, especially since they made multi-device support free of charge.
Links:
Get LastPass Everywhere: Multi-Device Access Is Now Free! | The LastPass Blog
There’s now one less excuse not to use a password manager —The Verge “LastPass is making its password manager a much better option for people who don’t want to pay.”