PDF to Base64 Converter

PDF to Base64 Converter

Convert PDF files to Base64 encoded strings instantly. Perfect for embedding PDFs in web applications.

Convert PDF to Base64

Upload your PDF file to convert it to Base64 encoding

Features

Instant Conversion

Convert PDFs to Base64 in milliseconds

100% Secure

All processing happens locally in your browser

Download Results

Save Base64 output as a text file

Related Tools

What is PDF to Base64 Conversion?

PDF to Base64 conversion is the process of encoding PDF files into Base64 format, which represents binary data as ASCII text. This allows PDF files to be embedded directly in HTML, CSS, JSON, or transmitted via text-based protocols.

This tool converts your PDF files into Base64 strings that can be used in web applications, APIs, databases, and configuration files. The conversion is reversible, meaning you can convert the Base64 string back to a PDF file at any time.

How to Use This Tool

  1. 1
    Click the upload area or drag and drop your PDF file
  2. 2
    The PDF will be automatically converted to Base64 format
  3. 3
    View the Base64 output and Data URI in the text areas below
  4. 4
    Copy to clipboard or download the Base64 string as a text file

Common Use Cases

Web Development

Embed PDF files directly in HTML or JavaScript without separate file hosting

API Integration

Send PDF documents through REST APIs as JSON payloads

Database Storage

Store PDF files as Base64 strings in databases or configuration files

Email Attachments

Encode PDFs for transmission via email systems using MIME protocols

Frequently Asked Questions

Is PDF to Base64 conversion secure?

Yes, all conversion happens entirely in your browser. Your PDF files never leave your device and are never sent to any server, ensuring complete privacy and security.

What is the maximum file size?

This tool supports PDF files up to 10MB. Larger files may slow down your browser during processing. Base64 encoding increases file size by approximately 33%.

Can I convert the Base64 back to PDF?

Yes! Base64 encoding is fully reversible. Use our Base64 to PDF tool to convert the Base64 string back to a PDF file.

Is this tool free to use?

Absolutely! This PDF to Base64 converter is completely free with no limitations, registration, or hidden costs.