Create [best] Download Link For Pdf Javascript -

Sometimes, APIs return PDFs as Base64 strings. To download these, you must first convert the string into a data URI. javascript

The simplest way to initiate a download is by dynamically creating an invisible anchor ( ) tag. This method works perfectly for existing files or PDFs hosted on a server. javascript create download link for pdf javascript

function downloadPDF(url, fileName) { const link = document.createElement('a'); link.href = url; link.download = fileName; document.body.appendChild(link); link.click(); document.body.removeChild(link); } // Usage downloadPDF('https://example.com', 'Monthly_Report.pdf'); Use code with caution. Sometimes, APIs return PDFs as Base64 strings

If the PDF is hosted on a different domain, the download attribute might be ignored unless the server sends the correct Access-Control-Allow-Origin headers. This method works perfectly for existing files or

async function downloadFromBlob(apiEndpoint, fileName) { const response = await fetch(apiEndpoint); const blob = await response.blob(); const url = window.URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = fileName; document.body.appendChild(a); a.click(); // Cleanup window.URL.revokeObjectURL(url); document.body.removeChild(a); } Use code with caution.

PDFs fetched from APIs or generated on the client side. Method 3: Handling Base64 Encoded PDFs

function downloadBase64PDF(base64String, fileName) { const linkSource = `data:application/pdf;base64,${base64String}`; const downloadLink = document.createElement("a"); downloadLink.href = linkSource; downloadLink.download = fileName; downloadLink.click(); } Use code with caution.