🧾📄 Base64 to PDF

Decode Base64-encoded PDF data or convert text content to PDF instantly.

Paste Base64

Paste Data URI

📎

Drag & drop Base64 text file here or click to upload

Supported: .txt, .b64

Max 25MB per file

PDF Preview

⚙️ Output Settings

File Name

After Download

Processing... 0%

✅

PDF Ready!

Your PDF has been created successfully.

File Name

decoded.pdf

PDF Size

Status

Ready

Source Type

Base64

💡 Smart Tips

Paste Base64-encoded PDF data to extract the original PDF file
If your Base64 contains text/JSON/other content, the tool will automatically convert it to PDF
Data URIs are automatically detected and processed
URL-safe Base64 (using "-" and "_") is automatically converted
Whitespace and line breaks in Base64 are automatically cleaned

📖 How to Use This Tool

Choose input method: paste Base64, paste Data URI, or upload a .txt/.b64 file
Click "Validate & Process" to decode your Base64 data
If it's a PDF, you'll see a preview; if it's text, you'll see the decoded content
Click "Download PDF" to save your file
Done! Your PDF is ready to use

✨ Uses & Benefits

Extract PDF files from Base64-encoded API responses
Convert Base64 text content to readable PDF documents
Recover PDFs from Data URIs and JSON payloads
Process files locally without uploading to servers
Works with both PDF data and plain text Base64
Preview before downloading

🔗 Related PDF Tools

❓ Frequently Asked Questions

What if my Base64 is not a PDF?

No problem! If your Base64 contains text or other content, the tool will automatically convert it to a PDF document for you.

Is this tool free?

Yes, completely free with no limits.

Are my files safe?

Yes. All processing happens locally in your browser. No data is uploaded to our servers.

What formats are supported?

Raw Base64, URL-safe Base64, Base64 with whitespace/line breaks, and Data URIs.

Can I convert encrypted Base64?

No. You must decrypt the data before using this tool.

What's the maximum file size?

Uploaded text files are limited to 25MB. Very large Base64 strings may fail on mobile devices due to memory limits.

🔒 Privacy & Security: All Base64 decoding and PDF generation happen locally in your browser. No files or text are uploaded. Your data is 100% private.

⚠️ Limitations & Notes

Max upload size: 25MB for text files
The tool automatically detects whether Base64 contains PDF or text content
Text content is automatically converted to a formatted PDF document
Requires a modern browser (Chrome, Firefox, Safari, Edge)
JavaScript must be enabled

Disclaimer: This tool is provided for general use. Results depend on the correctness of your Base64 input. Files are processed locally and not stored. You are responsible for verifying that output files meet your requirements. ToolsFlash is not liable for any loss or damages arising from use of this tool.