Base64 Encoding and Decoding: Complete Developer Guide
Master Base64 encoding and decoding with practical examples. Learn when to use it, common pitfalls, and best practices for handling binary data.
Convert PDF documents to Base64 data URLs for embedding in HTML, JSON, and APIs
Drag & drop your file here
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Supported formats: PDF files
Maximum file size: 10MB
Convert PDF documents to Base64 data URLs for embedding in JSON payloads, HTML, or API requests. This tool generates a data URL with the data:application/pdf;base64,... prefix that can be used in API integrations, document management systems, and web applications. All conversion happens locally in your browser, ensuring your PDF documents remain private and secure.
Upload a PDF document
The tool automatically converts it to Base64
Copy the Base64 data URL output
Use it in JSON API requests or data payloads
Or embed it in HTML with <embed> or <iframe> tags
Send PDF documents in JSON API requests
Embed PDFs in database records as Base64 strings
Create API payloads with document attachments
Store PDF data in NoSQL databases
Build document management systems with Base64 storage
Integrate PDFs with REST APIs and webhooks
Optimized for PDF document conversion
application/pdf;base64,... URLs
Fast browser-based conversion (no upload required)
One-click copy to clipboard
Perfect for API integrations and JSON payloads
documents stay on your device
Learn more about this tool with our in-depth guides
Master Base64 encoding and decoding with practical examples. Learn when to use it, common pitfalls, and best practices for handling binary data.