How does PDF merging work?
PDFs are read, reordered, and merged in your browser using pdf-lib. No files are uploaded.
Browser-local tool
PDF Merge
Combine PDF documents into one download directly in your browser.
Drag and drop files here, orbrowse
Selected PDFs
Supported: PDF. Choose 2 to 20 files, 50 MB total.
The merged PDF follows the order shown below. Move files up or down before merging.
No PDF selected
0 B
PDFs are read, reordered, and merged in this browser tab with pdf-lib. Files are not uploaded to a server.
This MVP does not perform OCR, compression, password removal, or text extraction. Encrypted or corrupt PDFs may fail.
Frequently asked questions
How do I change merge order?
Use the up and down controls to reorder files before merging.
Are encrypted PDFs supported?
This tool does not remove passwords or decrypt PDFs. Encrypted files may fail.