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Merge PDF
Combine multiple PDFs into one document
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Drop .pdf files here
or click to browse
How it works
- 1. Upload your .pdf file
- 2. Enter your email address
- 3. Download your converted file
About Merge PDF
Merging PDFs is one of the most common document tasks — whether you're combining chapters of a report, joining invoices, or assembling a portfolio. PDF Ninjas lets you upload multiple PDF files, drag them into the exact order you want, and combine them into a single download in seconds. No software to install, no account required — just upload, reorder, and merge.
Frequently Asked Questions
How many PDFs can I merge at once?▾
You can merge as many PDFs as you need in a single operation. There is no hard limit on the number of files.
Will merging PDFs reduce quality?▾
No. PDF Ninjas combines your files without re-compressing or altering the content. Images, fonts, and formatting are preserved exactly as they are.
Can I change the order of pages before merging?▾
Yes — after uploading your files, simply drag and drop them into the order you want before clicking merge.
Is my data safe?▾
All files are processed in memory on our servers and deleted immediately after your download. We never store your documents.