Base64 encoding and decoding in client-side Javascript

Some browsers such as Firefox, Chrome, Safari, Opera and IE10+ can handle Base64 natively. Take a look at this Stackoverflow question. It’s using btoa() and atob() functions. For server-side JavaScript (Node), you can use Buffers to decode. If you are going for a cross-browser solution, there are existing libraries like CryptoJS or code like: http://ntt.cc/2008/01/19/base64-encoder-decoder-with-javascript.html (Archive) With the latter, you need to thoroughly test … Read more

What is base 64 encoding used for?

When you have some binary data that you want to ship across a network, you generally don’t do it by just streaming the bits and bytes over the wire in a raw format. Why? because some media are made for streaming text. You never know — some protocols may interpret your binary data as control … Read more

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