Dropbox for iOS has supported uploading files from any application

Dropbox for iOS today has updated the new version to support the feature of iOS 8 Extension. So now you can use any application to upload files directly to Dropbox using the sharing menu of the app.

Download Dropbox 3.7 for iOS

For example, when you are running Photos to view photos, click on the share button, instead of posting to Facebook, email or Twitter, you will now have a save button on Dropbox. Note that at the first use, you need to click the " More " button, then activate the " Save to Dropbox " option. Today's update also fixes minor errors, improves the preview image of RTF files, improves deleting and moving files.