Is PDF to Base64 free to use?

Yes, PDF to Base64 is 100% free. No registration or subscription required.

Is my data safe with PDF to Base64?

Absolutely. All processing happens entirely in your browser. Your files are never uploaded to our servers, ensuring 100% privacy.

PDF to Base64 Encoder

Encode any PDF document into a Base64 string for embedding or API transmission.

Select a PDF file to encode

PDF documents only

In-Depth Guide

Everything you need to know

Transform your documents into data strings. Our PDF to Base64 Encoder converts physical PDF files into safe, portable ASCII strings that can be embedded in HTML, CSS, or JSON payloads.

Why encode PDFs?

API Transmission: Send document data as a single string field in a JSON POST request.
Database Storage: Store small PDFs directly in database columns as text.
Embedded Viewing: Use the generated string in data URIs for browser-based document rendering.