Javascript download file from base64 string

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Javascript download file from base64 string

Comments: 50 | Evaluation: 4.7 / 5 Do you have a Base64 string and do not know how to convert it to PDF using JavaScript? Do not worry! I'm here to help you. I will show you some practical examples like decoding Base64 to PDF using AtTOB function and get some information about it. In addition, I will show you how to incorporate PDF on the HTML page and create a link to download the PDF. // Sequence Base64 from a simple PDF file var b64 = // Decode Base64 to Binario and show some information about the PDF file (note that I jumped all verifications) var bin = atob (B64); console.log ('file size:', math.round (bin.length / 1024), 'KB'); console.log ('PDF version:', bin.match (/ ^. PDF ([0-9.] +) /) [1]); console.log ('create date:', bin.match (/ (. +?) /) [1]); console.log ('modify date:', bin.match (/ (. +?) /) [1]); console.log ('creative tool:', bin.match (/ (. +?) /) [1]); // incorporated PDF to HTML page and show it to VAR OBJ = Document.CreateEleElement ('Object') user; obj.style.width = '100%'; obj.style.height = '842pt'; obj.type = 'Application / PDF'; obj.data = 'Data: Application / PDF; Base64, '+ B64; document.body.apendchild (OBJ); // Enter a link that allows the user to download the PDF file var link = document.createelement ('a'); link.innerhtml = 'Download PDF file'; link.download = 'file.pdf'; link.href = 'Data: Application / octeto-stream; Base64, '+ B64; document.body.appendchild (link); By the way, alim of , you can use or to incorporate PDF files. In all cases, if the browser does not support PDF incorporation, it will request the user to download it. this.

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