Base64 to PDF client-side
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How to use Base64 to PDF

Paste a Base64 string or a data URI (data:application/pdf;base64,…) and get the decoded PDF: inline preview, file size and one-click download, with a filename of your choice. It's the reverse of Base64 encoding, handy to extract a PDF embedded in JSON, an email or an API response. Everything is decoded locally; nothing is uploaded.

Decode Base64 into a PDF file.

Base64PDFData URIDecoding

How to use Base64 to PDF

Paste a Base64 string or a data URI (data:application/pdf;base64,…) and get the decoded PDF: inline preview, file size and one-click download, with a filename of your choice. It's the reverse of Base64 encoding, handy to extract a PDF embedded in JSON, an email or an API response. Everything is decoded locally; nothing is uploaded.

Frequently asked questions

Is the PDF uploaded to a server?

No. Decoding happens entirely in your browser via atob; your file never leaves your machine.