Google Docs allows you to store and share documents online.  Google Docs Could storage service one of the most widely used online document storage and share service.  Google Doc Viewer supports many different file formats. Recently added supports to 12 New File Formats. Also Google Cloud  Connect allows you to achieve Google and MS Office integration. Also the Google Docs OCR Service helps you to Convert Scanned PDF Images to Text / Word Documents.
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Best PDF OCR Tools to Convert Scanned images to Text / Word Documents
Google Docs recently added folder upload feature. Google Docs added folder upload feature via the new Upload menu in the latest versions of Chrome, Firefox and Safari. To enable folder upload your browser need to have Java enabled. You must enable Java before using the Folder Upload applet and you need to install a small applet to use folder upload in Firefox and Safari. Once enabled you will see Folder upload option in the left side menu. See below.Google Docs Folder_upload
The maximum size of uploaded file or folder allowed is 1GB. If you prefer to convert a file to Google Docs format, the size limit depends on the file type. The default visibility setting for uploaded files is “Private”.
All your folder structure is preserved on folder upload. Google Docs also gives you an option to convert images into Google Docs (via OCR) format on upload. You can also drag and drop files into Google Docs documents list. The folder upload feature adds another very useful feature to Google Docs which is already feature rich and one of the most popular online document storage service.

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