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# Test your localization string with NSDoubleLocalizedStrings
- URL: https://developerinsider.co/test-your-localization-string-with-nsdoublelocalizedstrings/
- Published: 2020-05-31T04:50:50.000Z
- Updated: 2020-12-05T11:10:23.000Z
- Author: Vineet Choudhary
- Tags: Tips, Xcode, iOS, Localization

You can use `NSDoubleLocalizedStrings` as a launch argument to double the length of all of your `NSLocalizedStrings` to easily test your UI for internationalization purposes.  
![](https://github.com/developerinsider/developer-insider-content/blob/master/POST/iOS/TipsAndTricks/Best2/NSDoubleLocalizedStrings.png?raw=true)

Here the side by side demo -  
![](https://github.com/developerinsider/developer-insider-content/blob/master/POST/iOS/TipsAndTricks/Best2/NSDoubleLocalizedStringsDemo.png?raw=true)