Is PDF → Base64 free to use?
Yes. PDF → Base64 is free for personal use, does not require an account and does not add a watermark to your exported PDF.
PDF → Base64
PDF → Base64 online
Encode any PDF as a Base64 string.
Drop your file in the tool below or choose it from your device to start.
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No sign-up No watermark Runs in your browser Free for personal use
01
Upload
Drop in one or many files.
02
PDF → Base64
Encode any PDF as a Base64 string.
03
Download
Save back to your device, Drive or Dropbox.
Online PDF workflow
Encode any PDF as a Base64 string — useful for APIs, data URIs and JSON payloads.
Convert any PDF to a Base64-encoded string instantly in your browser. Copy the result or download it as a .txt file. Free, private, and no sign-up required. No account, no watermark, runs in your browser.
Encode a PDF as Base64 to embed it in a JSON payload or HTML data URI.
Copy the Base64 string directly or download it as a .txt file.
Encoding runs entirely in the browser — the PDF is never uploaded to a server.
Are my files safe in PDF → Base64?
Current live tools process files in the browser. Some tools use local browser workers or WebAssembly modules, but the document still stays on your device.
Can I use PDF → Base64 on mobile?
Yes. The tool works in modern mobile and desktop browsers, so you can upload, adjust and download PDFs without installing a desktop app.