How do I merge PDF files?

Upload multiple PDF files, arrange them in your desired order using the arrow buttons, and click Merge PDFs. The combined document downloads instantly.

Is there a limit on how many PDFs I can merge?

There is no strict limit on the number of files. However, the total combined size should be within 100MB for best performance.

Will the merged PDF keep the original formatting?

Yes. Merging preserves all original formatting, fonts, images, and links from each source PDF.

Can I reorder the pages before merging?

Yes. Use the up/down arrow buttons to reorder files before merging. Pages from each file will appear in the order shown.

Are my files uploaded to a server?

No. The entire merge process happens in your browser using JavaScript. Your files never leave your device.

PDF Worker

Merge PDF

Combine multiple PDF files into a single document. Drag to reorder before merging. Fast, free, and private.

Drop PDF files here, or click to browse

Select multiple PDF files to merge into one

Max file size: 100 MB