Merge PDF
Combine multiple PDF files into a single document, in the order you add them.
Private workspace
No file uploaded Add a file first.
About Merge PDF
Merge PDF stitches several separate PDFs into one file, so a contract, its appendices, and a signed cover page can travel as a single document. You decide the sequence: add your files, arrange them in the order you want, and the pages are joined in exactly that order. The whole thing runs in a Web Worker right inside this tab, so your documents are read into memory and combined on your own machine rather than sent off to a server. Reach for it when you have a handful of PDFs that belong together.
How to merge pdf
1
Add your file
Drop it in or click to choose. It stays on your device.
2
Set options
Tweak the settings, or just use the sensible defaults.
3
Download the result
One click. It was built right here, in your browser.
Why Unfleece vs fleeceware
Unfleece
- Runs in your browser — no file upload
- Free, no account, no card
- Open source (AGPL-3.0)
- No file-size paywall
Typical fleeceware site
- Uploads your file to a server
- $1 trial → ~$50 / week
- Closed and opaque
- Locks results behind pay
Frequently asked
Can I control the order the PDFs are combined in?
Yes. The files are merged in the exact order you add and arrange them, so put them in sequence before you run it and the pages follow that order from first file to last.
Can I merge more than two PDFs at once?
Yes. You can add several PDF files in one go, and they are all combined into a single output document in the order you set.
Does it run in the background or freeze the page?
It runs in a Web Worker, a separate background thread in your browser, so the merge happens off the main page. That keeps the tab responsive while your files are being joined.
Are my files uploaded anywhere?
No. Your browser reads the PDFs into memory and merges them on your device in a Web Worker, so nothing is sent to a server. Open the Network tab while it runs and you will see no file-upload request.