BetterSEQTA-Plus/src/seqta/utils/blobToBase64.ts

export const blobToBase64 = (blob: Blob) => {
  return new Promise<string>((resolve, reject) => {
    const reader = new FileReader();
    reader.onload = () => {
      const base64 = reader.result as string;
      resolve(base64);
    };
    reader.onerror = reject;
    reader.readAsDataURL(blob);
  });
};