Ranked in these QuestionsQuestion Ranking
Pro Cross platform
Linux, Windows and Mac.
Pro Client-side encryption
All files uploaded to Mega are first encrypted on the users side. To access files a decryption key must be supplied. For ease of use, the decryption key can be appended to the URL you share.
Pro Easy to use
Just drag and drop files in the browser window, then create a link for sharing. You will need an account to create a link. To streamline the process for new users you can start uploading as soon as you access the website and create an account while it's uploading.
Pro 50GB free
50 GB trial for new accounts after registering for a month, then 15 GB. There's also three upgrade plans, starting at 500GB and $110/yr.
Pro Open source client
Pro Functional web interface
Pro Respects Personal Privacy
They will never look through your files unless they ask for permission
Con Higher than normal chance of a forced service shutdown
Mega has a higher than normal chance of having legal troubles due its founders past, thus there's a higher than normal chance that the service may be shut down with all your files in it and no way to retrieve them.
Con No account recovery
The only way to access your account is with a password and there is no way to recover it if you lose it.