Merge PDF Free Online
Combine multiple PDF files into one document without uploading. Free PDF merger with no sign-up, no file limits — runs entirely in your browser.
Drop your PDFs here
Add 2 or more PDF files · max 100 MB each
Files are processed locally — nothing is uploaded.
How It Works
Simple steps, no installs, no sign-up.
Drop your PDFs
Add 2 or more PDFs. Merging starts automatically.
Review the list
Files are listed in order. Remove any you don't need.
Download merged PDF
Click Download when ready. All pages combined in one file.
When merging PDFs is useful
Merging comes up more often than you'd think. Combining monthly invoices into a single file for your accountant, attaching a cover letter to your resume, stitching together pages you scanned one at a time, or assembling report chapters from different authors — all classic merge scenarios.
Instead of emailing five separate attachments, you send one clean document. It's easier to organize, easier to print, and easier for the recipient to follow.
Does merging affect quality?
Not at all. When PDFs are merged, pages are copied at the structural level — fonts, images, and vector graphics are transferred exactly as they are. Nothing is re-rendered, re-compressed, or downsampled. The merged file is essentially a container holding the original pages side by side, so what you see in the output is identical to what was in each source file.
Ordering and removing pages
Files are merged in the order you add them. If you need a different arrangement, remove a file from the list and re-add it in the position you want. The merge re-runs automatically each time the list changes, so you can experiment freely.
Need to drop a page from the middle of a document before merging? Split that PDF first using the Split PDF tool, then merge only the pages you need.
Why Use Our Tool?
Auto-merge
Starts as soon as you have 2+ files.
No file limit
Merge as many PDFs as you need.
Preserves formatting
Pages copied exactly as-is, fonts and images intact.
100% Free
No watermarks, no sign-up, no limits.
Is it Safe?
Yes. Merging runs entirely in your browser using pdf-lib. Your files are never sent to a server, no account required, nothing retained after you close the tab.
Frequently Asked Questions
Completely free to use. There's no sign-up, no file count limit, and no watermarks on the output. Merge as many PDFs as you need.
No. Pages are copied exactly as they appear in the originals, including fonts, images, and layout. Nothing is re-compressed or altered.
No. The merging runs entirely in your browser using pdf-lib. Your files never leave your device.
Yes. Add as many PDFs as you need — they'll all be combined into one file in the order you added them.
Not currently. Please remove password protection from each file before merging.
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