Requirements

• iOS 8.0+ | macOS 10.10+ | tvOS 9.0+ | watchOS 2.0+
• Xcode 8

Integration

CocoaPods (iOS 8+, OS X 10.9+)

pod 'WXImageCompress', '~> 0.1.1'

Usage

import WXImageCompress

let image = UIImage(named: "imageName")!

let thumbImage = image.wxCompress()

Effect comparison

original	wechat	this
1500 * 4000, 2.5MB	800 * 2134, 325KB	800 * 2134, 306KB
960 * 600, 210KB	960 * 600, 147KB	960 * 600, 147KB
800 * 1280, 595KB	800 * 1280, 140KB	800 * 1280, 142KB
1080 * 1920, 1.8MB	720 * 1280, 139KB	720 * 1280, 140KB
640 * 1136, 505KB	640 * 1136, 68KB	640 * 1136 69KB
4000 * 3000, 497KB	1280 * 960, 140KB	1280 * 960, 139KB
2560 * 1600, 232KB	1280 * 800 112KB	1280 * 800, 112KB
800 * 2138, 307KB	800 * 2134, 649KB	800 * 2138, 599KB
3351 * 1430, 386KB	1874 * 800, 296KB	1875 * 800, 286KB
3000 * 1300, 458KB	1846 * 800 322KB	1847 * 800, 307KB
8323 * 5793, 19.67MB	1280 * 890, 428KB	1280 * 891, 465KB