https://github.com/feross/base64-js

New repo for ongoing work in https://github.com/beatgammit/base64-js (Base64 encoding/decoding in pure JS)
https://github.com/feross/base64-js

Last synced: 11 months ago
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New repo for ongoing work in https://github.com/beatgammit/base64-js (Base64 encoding/decoding in pure JS)

• Host: GitHub
• URL: https://github.com/feross/base64-js
• Owner: feross
• License: mit
• Created: 2024-07-24T16:48:41.000Z (almost 2 years ago)
• Default Branch: master
• Last Pushed: 2025-01-16T19:54:09.000Z (over 1 year ago)
• Last Synced: 2025-08-19T12:03:01.254Z (11 months ago)
• Language: JavaScript
• Size: 102 KB
• Stars: 20
• Watchers: 2
• Forks: 2
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# base64-js

### Ongoing work has temporarily moved from [beatgammit/base64-js](https://github.com/beatgammit/base64-js) to [feross/base64-js](https://github.com/feross/base64-js).

`base64-js` does basic base64 encoding/decoding in pure JS.

[![CI](https://github.com/feross/base64-js/actions/workflows/main.yml/badge.svg)](https://github.com/feross/base64-js/actions/workflows/main.yml)

Many browsers already have base64 encoding/decoding functionality, but it is for text data, not all-purpose binary data.

Sometimes encoding/decoding binary data in the browser is useful, and that is what this module does.

## install

With [npm](https://npmjs.org) do:

`npm install base64-js` and `var base64js = require('base64-js')`

For use in web browsers do:

``

[Get supported base64-js with the Tidelift Subscription](https://tidelift.com/subscription/pkg/npm-base64-js?utm_source=npm-base64-js&utm_medium=referral&utm_campaign=readme)

## methods

`base64js` has three exposed functions, `byteLength`, `toByteArray` and `fromByteArray`, which both take a single argument.

- `byteLength` - Takes a base64 string and returns length of byte array

- `toByteArray` - Takes a base64 string and returns a byte array

- `fromByteArray` - Takes a byte array and returns a base64 string

## license

MIT