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How to Convert PDF to Base64 - Step by Step Guide

Step 1

Upload Your PDF File

Start by clicking the "Upload PDF" button and selecting your PDF file from your computer. The tool accepts any valid PDF file up to 10MB in size.

Any PDF file: Reports, documents, forms, ebooks, and more
Size limit: Maximum 10MB per file
Secure processing: All conversion happens in your browser
Step 2

Automatic Conversion

The tool instantly converts your PDF to a Base64 encoded string. You'll see the output displayed in the editor on the right side.

Instant conversion: No waiting or processing delays
Readable format: Base64 string displayed with line numbers
Ready to use: Perfect for APIs, databases, and email systems
Step 3

Copy or Download

Click "Copy" to copy the Base64 string to your clipboard, or "Download" to save it as a text file. The Base64 string is ready to use in your applications.

API requests: Send PDFs in JSON payloads
Database storage: Store PDF files as text in databases
Email attachments: Embed PDFs in email systems

Frequently Asked Questions

How do I convert a PDF file to Base64?

Simply upload your PDF file using the "Upload PDF" button. The tool will instantly convert it to a Base64 string. You can then copy or download the result. To convert back, use the Base64 to PDF decoder.

What is the maximum file size?

The tool supports PDF files up to 10MB. For larger files, consider compressing your PDF first or splitting it into smaller documents.

Is my PDF file secure during conversion?

Yes! All conversion happens entirely in your browser using client-side JavaScript. Your PDF file is never uploaded to any server, ensuring complete privacy.

Why would I need to convert PDF to Base64?

Base64 encoding is useful for embedding PDFs in JSON APIs, storing PDFs in text-based databases, sending PDFs through email systems, or including PDFs in XML/HTML documents.

Is this PDF to Base64 converter free?

Yes, completely free with no file limits, no registration required, and unlimited conversions. All features are available at no cost with full privacy protection.