PDF Merge — Join two or more PDFs into a single file. Pages are copied in the order you add the files, so you control the final sequence. Bookmarks and forms are flattened to plain pages.
Your PDFs are merged locally in your browser and never uploaded.
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What is pdf merge?
Join two or more PDFs into a single file. Pages are copied in the order you add the files, so you control the final sequence. Bookmarks and forms are flattened to plain pages.
Merging runs entirely on your device — ideal for contracts, reports, and any document you would rather not upload.
How to use it
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Add PDFs in order
Two or more; they merge in the listed sequence.
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Merge and download
The combined PDF is ready in seconds.
Frequently asked questions
Comparison: this tool vs the alternatives
Uttir PDF Merge vs Smallpdf
| Feature | Uttir | Smallpdf |
|---|---|---|
| No upload to a server | ✓ | ✗ |
| No signup | ✓ | ✗ |
| No daily limit | ✓ | ✗ |
| No watermark on output | ✓ | ✗ |
| Works offline after first load | ✓ | ✗ |
| Visual PDF editor (drag pages, edit text) | ✗ | ✓ |
Uttir is privacy-first; Smallpdf is more feature-rich. Pick based on whether you need privacy or visual editing.
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Last reviewed: 2026-09-18