1. Base64 encoding and decoding

    Utility functions for encoding and decoding strings to and from base 64: window.atob() and window.btoa().

  2. TextEncoder & TextDecoder

    `TextEncoder` encodes a JavaScript string into bytes using the UTF-8 encoding and returns the resulting `Uint8Array` of those bytes. `TextDecoder` does the reverse.

  3. WebCodecs API

    API to provide more control over the encoding and decoding of audio, video, and images.

  4. htmlimageelement api: decoding

  5. mediacapabilities api: decodinginfo

  6. svgimageelement api: decoding

  7. html element: img: decoding

  8. svg element: image: decoding