How to identify file type by Base64 encoded string of a image
19067
How to get a file's Media Type (MIME type)?
42876
How do I Validate the File Type of a File Upload?
3531
Determine if uploaded file is image (any format) on MVC
159002
Python - dealing with mixed-encoding files
68020
How do I check if a given string is a legal/valid file name under Windows?
93798
Force paste event to encode images in base64
53160
Converting binary file into PIL Image datatype in Google App Engine
44534
What is base 64 encoding used for?
75299
How to find the type of an img file and mount it?
114231
What is the relationship between MIME types and File .extensions?
99853
How to convert ImageSource to Byte array?
120075
How to identify fonts from images/scans
45376
Decode Base64 data in Java
6962
Working with GD ( imagettftext() ) and UTF-8 characters
20629
How do I find the mime-type of a file with php?
114769
Send image to server as binary data
105565
Conversion from image to base64, System.drawing.image