Encode UIImage to Base64 string

NSString+Base64.h

//
//  NSString+Base64.h
//  Pods
//
//  Created by Dylan Gyesbreghs on 27/10/2016.
//
//

#import <Foundation/Foundation.h>

@interface NSString (Base64)

- (UIImage *)base64Decoding;

@end

NSString+Base64.m

//
//  NSString+Base64.m
//  Pods
//
//  Created by Dylan Gyesbreghs on 27/10/2016.
//
//

#import "NSString+Base64.h"

@implementation NSString (Base64)

- (UIImage *)base64Decoding
{
    NSData *base64Data = [[NSData alloc] initWithBase64EncodedString:self options:NSDataBase64DecodingIgnoreUnknownCharacters];
    return [UIImage imageWithData:base64Data];
}

@end

UIImage+Base64.h

//
//  UIImage+Base64.h
//  Pods
//
//  Created by Dylan Gyesbreghs on 27/10/2016.
//
//

#import <UIKit/UIKit.h>

@interface UIImage (Base64)

- (NSString *)base64Encoding;

@end

UIImage+Base64.m

//
//  UIImage+Base64.m
//  Pods
//
//  Created by Dylan Gyesbreghs on 27/10/2016.
//
//

#import "UIImage+Base64.h"

@implementation UIImage (Base64)

- (NSString *)base64Encoding
{
    return [UIImagePNGRepresentation(self) base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength];
}

@end