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Image size quality compression, very close to WeChat picture compression strategy

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hucool/WXImageCompress

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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