Combine multiple PDFs into one. Select specific pages from each file, drag to reorder, then merge.
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📂 Add PDF Files
📄
Drop PDF files here or click to browse
Add 2 or more PDFs — select pages per file before merging
Choose PDFs
💡
Drag ⠿ to reorder files · Click page numbers to toggle · Use Range… for quick selection
⏳ Merging
Starting…
✅ Merged PDF Ready
Total Pages
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File Size
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Merge PDF Files Online — Free & Private
PDFdukan's Merge PDF tool lets you combine multiple PDF documents into a single file — with full control. Select exactly which pages to include from each file, drag to reorder the documents, then download the merged result instantly. No files are sent to any server.
Frequently Asked Questions
After uploading your PDFs, each file shows numbered page thumbnails. Click individual page numbers to toggle them — highlighted pages will be included, grey pages excluded. Use the "All" and "None" buttons for quick selection, or click "Range" to enter a page range like "1-3, 5, 8-10".
Yes. After uploading, you can drag and drop the file cards to arrange them in the order you want them to appear in the merged output. The preview shows the current order and page selection at a glance.
There is no technical limit on the number of PDFs you can merge. The practical limit is your browser's available memory. For very large PDF sets (10+ files or 100+ pages), we recommend processing in batches: merge groups of 5–10 files first, then merge the resulting files together.
Yes. PDFdukan merges PDFs at the binary level using PDF-lib, which preserves all text, fonts, images, and formatting from the original files. The merged result is indistinguishable from the originals — text remains selectable and searchable.
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