Forget Root Folder, Upload Files Based on Extension to Dropbox, SkyDrive and More

So far, all cloud storage services, with the exception of a few, follow the same formula – there is one root folder, the content of which is synchronized with the cloud. Anything and everything that is dropped into this folder is mirrored to the cloud server, and vice versa. There is no option to filter files based on user defined rules and process only those files that satisfy the conditions. The only limitation that is in effect is the maximum upload file size imposed by the respective services, if any.

LetmeSync is a desktop program for Windows that eliminates the concept of one root folder. Instead, it introduces file extension based rules for filtering. Any new file created or copied to the system is automatically uploaded to the appropriate cloud storage service based on the rules defined for that particular file type. The location where this new file is created is inconsequential. In other words, LetmeSync turns popular cloud services like Dropbox and SkyDrive, from location-sensitive file synchronization service to one that is sensitive only to file types.


By default, files are categorized into 4 types based on file extension. They are: Documents (txt, doc, docx, ppt,pptx etc.), Pictures (bmp, jpg, png, gif, tif etc.), Music (wav, mp3, flac, etc.) and Etc.(zip, rar or any other type). Additional file types can be added by the user.

Each of these type can be uploaded to a different could backup service. Supported services include Dropbox, SkyDrive, Carbonite, SugarSync, YouSendit and Box, among the popular ones, and many others like NDrive, Just Cloud, Daum Cloud etc. Google Drive is not supported, at least, till now.

Once you have configured LetmeSync, you no longer have to worry about where you save your files or remember to copy the files to the Dropbox folder or SkyDrive folder. As soon as new files are introduced to the system, it is automatically uploaded to the cloud server of your choice, based on whether the file is a document, a picture, a video or some other type defined by you. Under each cloud storage account, will be created a new folder where these files end up.

LetmeSync doesn’t replace the official client programs for these cloud backup services. In fact, you need to have the desktop sync programs of the respective cloud services installed and running for the setup to work. The traditional way of doing it – saving files to the root folder in order to sync, still works. Also, only new files are uploaded, files that already exist on the hard disk are not uploaded anywhere.


There is one major problem with LetmeSync – you cannot choose which files you want to upload. Any new file added to the system will be uploaded to the cloud, as long as it is one of the supported files. So when you copy pictures from your digital camera to the hard disk, all of them will end up on Dropbox or SkyDrive or some place else. The only way to prevent this from happening is to temporarily disable sync before you copy new files. If you forget to do this, you’ll have a hard time deleting unintentionally shared files from your cloud account later.

LetmeSync is useful, but can be a privacy nightmare if not used with caution.

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