File SystemBinary Data
Convert a Uint8Array to a Buffer
The Buffer class extends Uint8Array with additional methods. Use Buffer.from() to create a Buffer instance from a Uint8Array .
Convert a Uint8Array to an ArrayBuffer
A Uint8Array is a typed array , a view over data in an underlying ArrayBuffer . The buffer property returns that ArrayBuffer .
Convert a Uint8Array to a Blob
A Blob can be constructed from an array of "chunks", where each chunk is a string, binary data structure (including Uint8Array ), or another Blob .