btoa

btoa for Node.JS (it's a one-liner)

v1.2.1 URL: https://unpkg.com/btoa@1.2.1/index.js

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base-64

A robust base64 encoder/decoder that is fully compatible with `atob()` and `btoa()`, written in JavaScript.

v1.0.0 URL: https://unpkg.com/base-64@1.0.0/base64.js

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codec decoder encoder base64 atob btoa

uint8array-extras

Useful utilities for working with Uint8Array (and Buffer)

v1.4.0 URL: https://unpkg.com/uint8array-extras@1.4.0/index.js

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uint8array uint8 typedarray buffer typedarray arraybuffer is assert concat equals compare base64 string atob btoa hex hexadecimal

btoa-lite

Smallest/simplest possible means of using btoa with both Node and browserify

v1.0.0 URL: https://unpkg.com/btoa-lite@1.0.0/btoa-node.js

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btoa base64 isomorphic browser node shared

b64-lite

isomorphic base64 library in 152 bytes

v1.4.0 URL: https://unpkg.com/b64-lite@1.4.0/node/b64-lite.js

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b64 isomorphic small atob btoa