Merge PDF Files Online Free
Combine multiple PDF files into one document. Drag to reorder before merging.
Drop PDF files here
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Your files never leave your browser
How to Merge PDF Files
Select Files
Upload two or more PDF files you want to combine.
Reorder (Optional)
Drag files to arrange them in the order you want.
Download
Click Merge and download your combined PDF instantly.
Frequently Asked Questions
Is it safe to merge PDF files here?
Yes — your files are processed entirely in your browser. They are never uploaded to our servers. We cannot see or store your documents.
Is there a file size limit?
There is no strict limit, but very large files (100MB+) may be slow depending on your device memory. For best results, keep individual files under 50 MB.
How many PDF files can I merge at once?
You can merge as many files as you want. There is no limit on the number of files.
Can I change the order of PDFs before merging?
Yes. After uploading, drag files in the list to reorder them. The merged PDF will follow the sequence shown on screen.
Does merging work on iPhone and Android?
Yes. Site95 works in mobile browsers including Safari and Chrome. Very large merges may be slower on phones with limited memory.
Will the merged PDF have a watermark?
No. Site95 never adds watermarks, logos, or branding to your output files.
Free PDF Merger — Combine PDFs Instantly
Need to combine multiple PDF files into one? Site95's merge tool lets you join PDF documents in seconds. Whether you're merging reports, contracts, invoices, or scanned pages, our browser-based tool handles it all without requiring software installation or account registration. The result downloads as a single clean PDF with no Site95 branding.
Who uses a PDF merger?
Students combine assignment PDFs before submitting to a university portal. HR teams merge offer letters and policy documents for new hires. Realtors bundle disclosure forms into a single packet for buyers. Freelancers attach portfolio samples to proposals. Administrative staff join monthly statements into one archive. If you have ever attached three PDFs to one email and wished they were a single file, a merger is the right tool.
Why browser-based merging is safer
Many PDF websites upload your files to a remote server, process them in the cloud, and return a download link. That means your confidential documents travel across the Internet and may be stored temporarily on third-party infrastructure. Site95 processes everything locally — the same privacy model as desktop software, but without an installation step. We cannot see your pages because they never reach our servers.
How the merge process works on Site95
You select two or more PDF files, drag them into the order you want, and click Merge. JavaScript libraries read the files in your browser memory, stitch pages together, and produce a downloadable blob. You stay on the same page; there is no "processing queue" and no email delivery of the result.
Tips for a clean merged document
Drag files into the correct order before clicking Merge — especially for cover letters, title pages, and appendices. Preview the list carefully when combining scans. If the final file is too large for email, run it through our PDF compressor afterward. For password-protected PDFs, remove protection first; encrypted files cannot be merged until unlocked. Keep originals until you open and spot-check the merged output.
Mobile and desktop
The merger works in Chrome, Firefox, Safari, and Edge on computers and phones. Very large merges (dozens of megabytes) are smoother on a laptop with more memory, but everyday two- or three-file merges usually work fine on modern phones.
Read our detailed how to merge PDF files guide for step-by-step instructions and real-world examples. You can also split a PDF into separate pages if you need the reverse operation.