Handy command line tool for shrinking PNG images using the TinyPNG API
npm install -g tinypng-cli
To use TinyPNG CLI, you need an API key for TinyPNG. You can get one at https://tinypng.com/developers.
TinyPNG CLI allows you to provide your API key in two different ways. The more convenient one is to save the API key into a file called
.tinypng within your home directory. The other way is to provide it as an option while running the CLI.
tinypng demo.png -k E99a18c4f8cb3EL5f2l08u368_922e03
To shrink all PNG images within the current directory, you may run one of the following commands—both do exactly the same.
tinypng tinypng .
To shrink all PNG images within the current directory and subdirectoies, use the
To shrink all PNG images within a specific directory (
assets/img in this example), you may run the following command.
You may also provide multiple directories.
tinypng assets/img1 assets/img2
To shrink a single PNG image (
assets/img/demo.png in this example), you may run the following command.
You may also provide multiple single PNG images.
tinypng assets/img/demo1.png assets/img/demo2.png
To resize an image, use the
tinypng assets/img/demo.png --width 123 tinypng assets/img/demo.png --height 123 tinypng assets/img/demo.png --width 123 --height 123
That's it. Pretty easy, huh?
- Implement support for uppercase file extensions
- Prevent any file changes in case JSON parsing fails or any other HTTP error occurred
- Add support for image resize functionality
- Make recursive directory walking optional
- Updated API endpoint
- Check for valid JSON response
- JP(E)G support
- Initial version
Copyright (c) 2017 websperts
Licensed under the MIT license.
See LICENSE for more info.