Merge PDF Online – Combine PDF Files Free
Combine multiple PDF files into one document instantly in your browser. Drag to reorder files before merging. No upload to server — 100% private and free.
Processing happens in your browser; secure upload may be used when needed for paid download delivery.
Drag & drop PDF files here
or browse files browse files
PDFMax 50MB/fileUp to 40 files / 200MB batch
Frequently Asked Questions
How do I merge PDF files online?
Upload your PDF files using the tool above, drag to reorder them if needed, then click Merge. Your combined PDF will be ready to download instantly.
Is it safe to merge PDFs online?
Yes — DartPDF processes all files locally in your browser. Your files never leave your device and are never uploaded to any server.
How many PDFs can I merge at once?
You can merge as many PDF files as you need. Simply upload all files and they will be combined in the order you arrange them.