PDF Merge Tool
Combine multiple PDFs into one, right in your browser. Secure, fast, and offline-ready.
Files to Merge
Fast, Free, Private PDF Merger (Offline)
Merge multiple PDFs into one securely in your browser. 100% client side, lifetime free, unlimited use. No uploads, no watermarks, truly private.
Top, fast, best-in-class, and unlimited. Your information is 100% confidential and secure.
Why people love this PDF merger
Offline & secure
Runs entirely in your browser. Your files never leave your device.
Unlimited & free forever
No accounts, no limits, no watermarks merge as much as you want.
Fast & simple
Drag-and-drop, arrange order, merge, and download in seconds.
Works everywhere
Modern browsers on Windows, Mac, Linux, and mobile devices.
No uploads
100% client-side processing means your data stays private.
Clean output
Keep page order and quality intact. Name your file and you’re done.
Popular uses worldwide
Contracts & annexes
Combine documents and appendices into a single file for sharing.
Receipts & invoices
Merge monthly statements or expenses into a single report.
Education
Combine worksheets, readings, and slides for students or teachers.
Design & print
Package proofs, layouts, and assets into one cohesive PDF.
HR & onboarding
Bundle forms, policies, and IDs into a unified document.
Archiving
Store related PDFs together to simplify search and storage.
How to merge PDF files
- Upload your PDFs (drag & drop or select files).
- Arrange file order using the up/down arrows.
- Enter your output filename (e.g., merged.pdf).
- Click “Merge PDFs” and download your file.
- Everything runs locally your data stays private.
Tip: For very large PDFs, merge in batches for faster processing.
Best practices
- Double-check order before merging to avoid rework.
- Ensure files are not password-protected; remove passwords first.
- Use clear filenames to stay organized post-merge.
- Test the final merged PDF to confirm page order and quality.
- Keep originals in case you need to re-merge later.
Global availability (GEO)
Built for users worldwide: USA, UK, Canada, Australia, India, EU (Germany, France, Spain, Italy, Netherlands), Middle East (UAE, Saudi Arabia), Asia (Singapore, Malaysia, Philippines, Indonesia, Japan, South Korea), Africa (Nigeria, South Africa, Egypt), and Latin America (Brazil, Mexico, Argentina). If your browser works, our PDF merger works.
Also searched as: merge PDF, combine PDF, join PDF, unir PDF, combinar PDF, juntar PDF, fusionner PDF, PDF zusammenführen, PDF zusammenfügen, unire PDF, mesclar PDF, juntar PDF, объединить PDF, 合并PDF, PDF 結合, PDF 병합, gabungkan PDF, PDF birleştir, połącz PDF, PDF samenvoegen, gộp PDF, รวม PDF.
Frequently Asked Questions
Is it private and secure?
Yes. Everything is processed locally in your browser no uploads, no tracking, no servers.
Is it really free and unlimited?
Yes. Lifetime free, unlimited merges, no watermarks, and no sign ups.
Can I change the order?
Absolutely. Use the up/down controls next to each file before merging.
Does it work offline?
Yes. After your first visit, your browser can cache assets for offline use.
Why won’t a PDF merge?
It may be password protected or corrupted. Remove protection or re export from the source app and try again.
Do you add watermarks?
No. We never add watermarks. You get a clean, combined PDF.
Explore more free pdf tools
Try our other tools: Text to PDF, Images to PDF, PDF to JPG, PDF to PNG, Merge PDF, Resize/Compress PDF, Rotate PDF Pages, Rearrange PDF Pages, PDF Extractor, PDF Split, PDF Pages Delete, Add PDF Page Numbers, Watermark to PDF, PDF Encrypt, PDF Decrypt.