Base64 to PDF Decoder And Viewer Online

Decode Base64 strings to PDF files instantly. Preview and download PDFs from Base64. Free, secure, 100% client-side tool.

Decode and view Base64-encoded PDFs

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How to Use Base64 to PDF Decoder And Viewer Online

  1. Paste Base64: Copy your Base64 string and paste into textarea.
  2. Set Filename: Enter desired PDF filename.
  3. Decode: Click "Decode & View PDF" to process.
  4. Preview: View the PDF in browser.
  5. Download: Save the PDF file to your device.

Frequently Asked Questions

What is Base64 encoding?

Base64 is a binary-to-text encoding that represents binary data (like PDFs) as ASCII strings. It’s commonly used in APIs and data URIs.

Is my data uploaded to a server?

No! This tool runs 100% in your browser. Your Base64 and PDF data never leave your device.

What file size limits are there?

The tool handles PDFs up to 10MB. Larger files may cause browser performance issues.