Combine multiple PDF files into one perfectly ordered document — fast, free, and completely private. No software needed.
Drop your PDF files here
or click to select files from your device
Supports multiple files · Max 100 MB each · All major browsers supported
Simple process
No learning curve, no account setup. Just your files and the result.
Drag and drop or click to select multiple PDFs from your computer, Google Drive, or Dropbox.
Drag to reorder pages or entire files. Preview thumbnails help you get the exact sequence right.
Click merge and your combined PDF is ready instantly. Download it or save it to the cloud.
50M+
PDFs merged
190+
Countries served
4s
Average merge time
4.9★
User rating
Why MergePDF
Your PDFs are merged with zero quality loss — fonts, images, vector graphics and bookmarks are all kept intact.
Drag-and-drop individual pages between files. See live thumbnails before you merge — no surprises.
Import PDFs directly from Google Drive, Dropbox, or OneDrive. Merge without downloading to your device first.
Merge encrypted PDFs by entering the password. Or add password protection to your merged output.
Our servers process your files in parallel. Even 20 large PDFs merge in under 10 seconds.
Automate PDF merging in your workflow. Our REST API handles millions of requests daily for developers worldwide.
Your privacy matters
We take data protection seriously. Every file is transferred over an encrypted connection, processed in isolated memory, and permanently deleted from our servers — automatically, within one hour.
All file transfers use the same encryption as online banking.
Files are purged from our servers within 60 minutes — no exceptions.
We meet the strictest data privacy regulations worldwide.
Our staff cannot read your files. Processing is fully automated.
ISO 27001
Certified
Loved worldwide
No app installation needed. MergePDF works perfectly in your browser on any device.
Questions
Yes — merging PDFs is completely free with no hidden costs. We offer a Pro plan for power users who need batch processing, cloud integrations, and priority support, but the core merge feature is always free.
Free users can merge up to 20 PDFs in a single session (up to 100 MB per file). Pro users get unlimited files with no size restrictions.
Absolutely. Files are transferred over 256-bit TLS, processed in isolated memory only you can access, and automatically deleted after 1 hour. Our servers are hosted in SOC 2 Type II certified data centres in the EU and US.
No. We use lossless PDF merging — your fonts, images, hyperlinks, form fields, and vector graphics are preserved exactly as they were in the original files.
No sign-up is required for basic merging. Create a free account to save your merge history, access cloud integrations, and unlock higher limits.
Yes, MergePDF is fully responsive and works in the mobile browser on iOS and Android. No app installation required.
Start now — it's free
Join over 10 million people who use MergePDF every month. No sign-up, no fees, no fuss.