Merge PDF Files Online — Fast, Free & Private
Combine multiple PDF files into one single document in seconds directly in your browser.
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How to Use Merge PDF
Select PDF files
Choose multiple PDF documents from your device or drag and drop them into the merge box.
Reorder pages & files
Drag or click the arrows to arrange your files in the exact order you want them merged.
Merge & Download
Click Merge PDF. The combined file is generated instantly in your browser ready for download.
Combine PDF files into one document without uploading them
PDFora Merge PDF joins contracts, invoices, scans and reports into a single, tidy file. Add as many PDFs as you like, put them in the order you need, and download the result in a few seconds.
Unlike most online mergers, nothing is sent to a server. Your documents are combined inside your own browser, so confidential paperwork stays on your device. There is no sign-up, no watermark and no daily limit.
Common uses for Merge PDF
- Bundle a CV, cover letter and certificates into one application PDF
- Combine monthly invoices into a single accounting file
- Join scanned pages from different sessions into one document
- Assemble reports and appendices before sending to a client
Frequently Asked Questions about Merge PDF
Is my data safe when merging PDFs on PDFora?
Yes, 100%. PDFora processes all files locally in your web browser. Your PDFs are never uploaded to any remote server or cloud storage.
Is there a limit on the number of PDFs I can merge?
You can merge as many PDF files as your browser memory permits. For best performance, we recommend batches under 100 MB total.
Can I reorder files before merging?
Yes! You can easily drag and drop files or use the dedicated Move Up and Move Down buttons to set the sequence.