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

Are my files safe when using Merge PDF?

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

Merge PDF Online Free

Combine multiple PDF files into one document instantly — no sign-up, no watermark

Drag & drop PDFs here

Select 2–5 PDFs (combined max 50 MB). Files merge in upload order.

Tool Guide

Why use Merge PDF Online?

Upload two or more PDF files, drag to reorder them, then click Merge. Your combined PDF is ready in seconds. All files are processed on our secure servers and automatically deleted within 30 seconds — nothing is ever stored permanently.

Combine unlimited PDF files into one
Drag-and-drop reordering before merge
No file size limits — always free
Files deleted automatically after 30 seconds

Upload

Select or drag your file

Process

One click — done instantly

Download

Save your result file