Base64 to PDF
Drop a Base64 (.txt) file here or click to upload
No size limit — large files welcome
🔒 Your files are processed securely and never uploaded to any server.
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What is Base64 to PDF?
Base64 to PDF decodes a Base64-encoded string back into a PDF file. It strips any data-URI prefix (like data:application/pdf;base64,), decodes the Base64 text using the browser's atob() function, and returns the raw PDF bytes.
How to Use Base64 to PDF
- Upload a text file containing the Base64-encoded PDF string.
- Click Decode. The tool strips whitespace and data-URI prefixes, then decodes the string.
- Download the result as
decoded.pdf.
Why Use Base64 to PDF?
Base64 encoding is commonly used to embed PDF data in JSON responses, email attachments, HTML pages, and configuration files. This tool lets you recover the original PDF from those encoded strings without writing any code.
Privacy & Security
Your files never leave your browser. The decoding happens entirely on your device. Nothing is uploaded to Racira's servers, no copies are stored in the cloud, and no file data is transmitted at any point.
Frequently Asked Questions
What if my Base64 string includes a data URI prefix?
The tool automatically strips common prefixes like data:application/pdf;base64, and data:text/plain;base64, before decoding, so you can paste the full data URI without cleaning it first.