A PHP library for AmazonS3 direct uploading You can upload files from your browser directly to AmazonS3. INSTALL composer require dqneo/s3signer AUTHOR @DQNEO LISENCE GPL v3 THANKS the idea originally comes from: http://www.ioncannon.net/programming/1539/direct-browser-uploading-amazon-s3-cors-fileapi-xhr2-and-signed-puts/