Turn your mobile device into a free scanning tool that does more. Adobe Scan automatically captures and cleans picture-perfect images of anything — receipts, forms, pictures, business cards, notes. Then, using built-in optical character recognition (OCR), it transforms them into smart PDFs, available in Adobe Document Cloud. Now, they're easy to search and share from anywhere. You can find keywords, add comments, sign, or send for review. And because Adobe Scan works perfectly with Adobe Acrobat

Google Drive has the best document scanning tool already on your phone: Here's how to use it