Merge PDF Files Online, Free
Need to combine several PDF files into a single document? Our free online PDF merger lets you drag and drop multiple PDFs and join them in seconds — entirely inside your browser. No files ever leave your device, no account required, no watermarks.
Drop file here or click to browse
Files stay on your device · Up to 200 MB
Drop multiple files or click to browse
Select multiple files · Up to 200 MB each
Processing…
Done!
How to Use Merge PDF
Why Use Our Merge PDF Tool?
Whether you're combining chapters of a report, assembling invoices, or joining scanned pages, merging PDFs manually is tedious. Our tool handles files up to 200 MB and merges them client-side using PDF-lib, so your documents stay completely private.
Frequently Asked Questions
You can merge as many PDFs as you like. The only limit is your device memory — most modern computers handle 20–50 files easily.
No. We use lossless merging that preserves the original resolution, fonts, and formatting of every page.
Never. All processing happens locally in your browser using JavaScript. Your files are not sent anywhere.
Yes — simply drag the file cards to rearrange the order before clicking Merge.