Merge PDF Files — Combine PDFs Online

Combine multiple PDF files into a single document. Drag to reorder, then merge instantly. 100% private — files never leave your browser.

Upload PDF Files to Merge

Drag & drop PDF files or click to browse

PDF Merge Made Easy

Powerful PDF combining with full control over file order

Multi-file Upload

Upload as many PDFs as you need and arrange them in any order with intuitive drag & drop.

100% Private

All merging happens locally in your browser. Your files are never uploaded, stored, or seen by us.

Instant Download

Download your merged PDF immediately after combining — no waiting, no email required.

FAQ

There is no hard limit. You can merge dozens of PDFs in a single operation. Very large combined files may take longer to process in your browser.

Yes — all original page content, fonts, images, links, and page sizes are preserved exactly as they appear in each source PDF.

Completely safe. All merging happens via JavaScript in your browser using pdf-lib. Your files are never uploaded to any server.

Yes — drag and drop the files in the upload list to set the exact order you want. The merged PDF will follow that order.

Yes. Each page in the merged file retains its original dimensions, so a Letter-sized page and an A4 page can coexist in the same output.

Use our Delete PDF Pages tool to clean up each source file, then merge them here. You can also use Split PDF if you only need a subset of pages.

Merge Your PDFs Now

Free online PDF merger — no signup, no upload, instant results.