Is PDF to Base64 free?

Yes, PDF to Base64 on PDF Merge Toolkit is completely free. No subscription, no sign-up, and no watermarks on your output.

Are my files safe when using PDF to Base64?

Yes. All files are transferred over 256-bit SSL encryption and are permanently deleted from our servers within 30 seconds of processing. We never read or store your document contents.

Do I need to create an account?

No account or sign-up is required. Simply visit the page, upload your file, and download the result.

What is the maximum file size?

The maximum file size is 20 MB per upload. For larger files, try compressing your PDF first using our free Compress PDF tool.

🔒 We never store your data ✦ ⚡ Lightning fast conversions ✦ ✅ 100% Free — No sign-up required ✦ 🌐 Works entirely in your browser ✦ 🚫 No watermarks on any output ✦ 📄 48+ PDF tools in one place ✦ 🔒 We never store your data ✦ ⚡ Lightning fast conversions ✦ ✅ 100% Free — No sign-up required ✦ 🌐 Works entirely in your browser ✦ 🚫 No watermarks on any output ✦ 📄 48+ PDF tools in one place ✦

All Tools

PDF to Base64 Online Free

Encode a PDF file as a Base64 text string — no sign-up, no watermark

Drag & drop your PDF here

The output is a plain .txt file containing raw Base64 (no data:application/pdf;base64, prefix). The encoded text is ~33% larger than the original PDF.

Max file size: 20 MB. One PDF file only. Output is a plain .txt file.

Tool Guide

Why use PDF to Base64 Online?

Upload your file, apply the selected action, and download the result instantly. All processing happens on our secure servers — your file is never stored beyond 30 seconds. No registration, no watermarks, and no hidden fees. Works on desktop, tablet, and mobile.

100% free — no hidden fees ever
No account or sign-up required
Instant browser-based processing
Files auto-deleted within 30 seconds

Upload

Select or drag your file

Process

One click — done instantly

Download

Save your result file