PDF Merge
Merge several PDFs into a single file. Add your documents, reorder them, and download the combined PDF — processed locally with no uploads.
About the PDF Merge
Merge several PDFs into a single file. Add your documents, reorder them, and download the combined PDF — processed locally with no uploads.
The PDF Merge is part of TechToolsCenter — a free, privacy-first collection of 30+ online tools. Like every tool here, it runs 100% in your browser, so your data stays private and results are instant. There is no sign-up, no watermark and no limit on how many times you can use it.
How to use the PDF Merge
- 1
Open the PDF Merge
Open the PDF Merge — it loads instantly and works entirely in your browser. No sign-up or installation is needed.
- 2
Enter your details
Fill in the fields or paste your content. Everything updates in real time so you always see an accurate live preview.
- 3
Review the live preview
Check the result in the preview panel. Use Undo, Redo or Reset at any time — your work is saved to your browser automatically.
- 4
Copy, download or share
When you're happy, copy the result, download the file, or share it. Nothing is ever uploaded to a server — it all stays on your device.
Why use our PDF Merge?
- 100% free with no sign-up or hidden limits
- Runs entirely in your browser — your data never leaves your device
- Fast, responsive and works great on mobile
- Saves your recent work automatically via local storage
Frequently asked questions
There is no hard limit, though very large documents depend on your device's available memory since processing is local.