PDF to Base64 Converter
Convert PDF files to Base64 format
How to Convert PDF to Base64
- 1Upload your PDF file by clicking or drag-and-drop
- 2Wait for the encoding process to complete
- 3Copy the Base64 encoded string
- 4Use in APIs, databases, or embed in documents
Common Use Cases
REST API Transfer
Send PDF documents through REST APIs without multipart/form-data
JSON Embedding
Embed PDF documents directly in JSON payloads
Database Storage
Store PDF files as text in databases like MongoDB
Data URLs
Create PDF data URLs for embedding in web applications
Frequently Asked Questions
How to convert PDF to Base64?
Upload your PDF file using our tool, and it will automatically encode it to a Base64 string that you can copy and use.
Is there a file size limit?
We recommend PDFs under 10MB for optimal performance. Larger files may take longer to encode.
How to use Base64 PDF in an API?
Include the Base64 string in your JSON payload. The receiving end can decode it back to a PDF file.
Is the conversion secure?
Yes, all conversion happens locally in your browser. Your PDF never leaves your device.
Best Practices
- ✓Compress PDFs before encoding to reduce size
- ✓Remember that Base64 increases file size by ~33%
- ✓Use for document APIs and transfers, not storage
- ✓Store Base64 PDFs with proper metadata (filename, type)