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blob to base64 javascript

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YOU.com answered on January 27, 2022 Popularity 10/10 Helpfulness 6/10

answer blob to base64 javascript

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blob to base64 javascript

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function blobToBase64(blob, callback) {
  var reader = new FileReader();
  reader.onload = function() {
    var dataUrl = reader.result;
    var base64 = dataUrl.split(',')[1];
    callback(base64);
  };
  reader.readAsDataURL(blob);
}

// Usage
var blob = ... // the blob object you want to convert
blobToBase64(blob, function(base64) {
  console.log(base64);
});

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

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Contributed on Sep 11 2023

YOU.com

0 Answers Avg Quality 2/10

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blob url to base64 javascript

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var reader = new FileReader();
reader.readAsDataURL(blob); 
reader.onloadend = function() {
  var base64data = reader.result;                
  console.log(base64data);
}
function blobToBase64(blob) {
  return new Promise((resolve, _) => {
    const reader = new FileReader();
    reader.onloadend = () => resolve(reader.result);
    reader.readAsDataURL(blob);
  });
}

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: base64 ba

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Contributed on Jan 27 2022

jub0t

0 Answers Avg Quality 2/10

base64 to blob javascript

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-1

function base64ToBlob(base64Data, contentType) {
  contentType = contentType || '';
  var sliceSize = 1024;
  var byteCharacters = window.atob(base64Data);
  var byteArrays = [];
  for (var offset = 0; offset < byteCharacters.length; offset += sliceSize) {
    var slice = byteCharacters.slice(offset, offset + sliceSize);
    var byteNumbers = new Array(slice.length);
    for (var i = 0; i < slice.length; i++) {
      byteNumbers[i] = slice.charCodeAt(i);
    }
    var byteArray = new Uint8Array(byteNumbers);
    byteArrays.push(byteArray);
  }
  return new Blob(byteArrays, { type: contentType });
}

// Example usage:
var base64String = "<base64_encoded_data>";
var blob = base64ToBlob(base64String, "image/jpeg");
console.log(blob);

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: Grepper

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Contributed on Sep 11 2023

YOU.com

0 Answers Avg Quality 2/10

convert base64 url to blob in javascript

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convert base64 url to blob in javascript

const url = 'data:image/png;base6....';
fetch(url)
  .then(res => res.blob())
  .then(blob => {
    const file = new File([blob], "File name",{ type: "image/png" })
  })

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: base64 ba

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Contributed on Feb 19 2023

Uptight Unicorn

0 Answers Avg Quality 2/10

blob to base64 javascript

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