Base64 Decoder
cross-browser testing tools
World's simplest online base64 decoder for web developers and programmers. Just paste your base64 data in the form below, press the Base64 Decode button, and you'll get a base64 decoded string. Press a button – get the result. No ads, nonsense, or garbage.
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Using a Base-64 Decoder in Cross-browser Testing
A base-64 decoder can be useful if you're doing cross-browser testing. Base-64 decoding is one of the most commonly used operations used in unit tests. As unit tests compare input data with output data, a base-64 decoder is usually used to embed binary data (or binary files, such as icons, images, or music files) into the test file. For example, if your web application is applying effects to images, then to make sure that between the releases, your code hasn't broken, you can create a test case that stores the image without the effect and with the effect in a file that defines the unit test. Additionally, you can use this utility to decode arbitrary base-64 data, such as text and strings, as well as validated if the input data is valid base-64.
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Pro tip: You can use ?input=text query argument to pass text to tools.
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