📄 PDF Tools

PDF Merger

Combine multiple PDF files into a single document. Drag to reorder files before merging. All processing happens in your browser — your files stay private.

📄
Drop PDF files here or click to browse
Multiple PDF files supported · Drag to reorder after upload
✅ PDFs merged and downloaded!
❌ Please add at least 2 PDF files to merge.
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Free Online PDF Merger — Combine Multiple PDFs Instantly

Our free PDF merger combines multiple PDF files into one document. Upload, drag to reorder, and download the merged PDF — all privately in your browser. Uses pdf-lib to preserve all text, images and formatting.

🔗 Unlimited Files
Combine as many PDFs as you need.
↕️ Drag to Reorder
Set exact page order before merging.
🔒 100% Private
Files never leave your device.
⚡ Instant Result
Merge completes in seconds.

How to Use — Step by Step

1
Upload your PDFs
Click Add PDFs or drag multiple files. All appear in the list.
2
Reorder files
Drag files up or down to set their order in the merged document.
3
Click Merge
Processing happens instantly in your browser.
4
Download
Download your merged PDF with all original pages preserved.

Frequently Asked Questions

No limit on file count. For very large batches (50+ files), merge in groups for best performance.
Text, images and layout are fully preserved. Bookmarks and hyperlinks from originals may not always carry over.
Remove the password first in Adobe Reader or Preview, then upload the unprotected version.
Scanned PDFs merge perfectly. Text will not be searchable unless OCR has been applied.
Use the PDF Splitter first to extract the pages you need, then merge those extracted files.

🔗 Useful External Resources