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Base64 encoding and decoding

Last updated on : 2023-03-20

Note:
Base64 encoding and decoding shows a browser compatibility score of 97. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

Overview

Atob-btoa provides a JavaScript API for encoding and decoding strings to and from Base64: atob and btoa.

Specifications

HTML Standard # dom-atob-dev

Syntax

var decodedData = atob(encodedData);

Code snippets

index.html

Source:index.html Github

copy

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Browser Compatibility

  • Base64 encoding and decoding on IE is fully supported on 10-11, partially supported on None of the versions, and not supported on 5.5-9 IE versions.
  • Base64 encoding and decoding on Edge is fully supported on 12-111, partially supported on None of the versions, and not supported on below 12 Edge versions.
  • Base64 encoding and decoding on Firefox is fully supported on 2-113, partially supported on None of the versions, and not supported on below 2 Firefox versions.
  • Base64 encoding and decoding on Chrome is fully supported on 4-114, partially supported on None of the versions, and not supported on below 4 Chrome versions.
  • Base64 encoding and decoding on Safari is fully supported on 3.2-16.4, partially supported on None of the versions, and not supported on below 3.2 Safari versions.
  • Base64 encoding and decoding on Opera is fully supported on 10.6-95, partially supported on None of the versions, and not supported on 9.5-10 Opera versions.
  • Base64 encoding and decoding on Safari on iOS is fully supported on 3.2-16.4, partially supported on None of the versions, and not supported on below 3.2 Safari on iOS versions.
  • Base64 encoding and decoding on Android Browser is fully supported on 2.1-111, partially supported on None of the versions, and not supported on below 2.1 Android Browser versions.
  • Base64 encoding and decoding on Opera Mobile is fully supported on 11.5-73, partially supported on None of the versions, and not supported on below 11.5 Opera Mobile versions.
  • Base64 encoding and decoding on Chrome for Android is fully supported on 97-111, partially supported on None of the versions, and not supported on below 97 Chrome for Android versions.
  • Base64 encoding and decoding on Firefox for Android is fully supported on 95-110, partially supported on None of the versions, and not supported on below 95 Firefox for Android versions.
  • Base64 encoding and decoding on Samsung Internet is fully supported on 4-20, partially supported on None of the versions, and not supported on below 4 Samsung Internet versions.
97
Hightooltip

Browser Compatibility Score

Chrome IE
Medium

Browser Support For IE Versions

10-11
Fully
-
Partially
5.5-9
No Support
Chrome Edge
High

Browser Support For Edge Versions

12-111
Fully
-
Partially
-
No Support
Chrome Firefox
High

Browser Support For Firefox Versions

2-113
Fully
-
Partially
-
No Support
Chrome Chrome
High

Browser Support For Chrome Versions

4-114
Fully
-
Partially
-
No Support
Chrome Safari
High

Browser Support For Safari Versions

3.2-16.4
Fully
-
Partially
-
No Support
Chrome Opera
High

Browser Support For Opera Versions

10.6-95
Fully
-
Partially
9.5-10
No Support
Chrome Safari on iOS
High

Browser Support For Safari on iOS Versions

3.2-16.4
Fully
-
Partially
-
No Support
Chrome Android Browser
High

Browser Support For Android Browser Versions

2.1-111
Fully
-
Partially
-
No Support
Chrome Opera Mobile
High

Browser Support For Opera Mobile Versions

11.5-73
Fully
-
Partially
-
No Support
Chrome Chrome for Android
High

Browser Support For Chrome for Android Versions

97-111
Fully
-
Partially
-
No Support
Chrome Firefox for Android
High

Browser Support For Firefox for Android Versions

95-110
Fully
-
Partially
-
No Support
Chrome Samsung Internet
High

Browser Support For Samsung Internet Versions

4-20
Fully
-
Partially
-
No Support

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Last Modified date

2023-03-20

Browser Support for Base64 encoding and decoding

References


Data sourced from

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