PDF Merge
Combine multiple PDF documents into a single file. Drag and reorder files before merging.
Drop PDF files here to merge
or click to browse — select 2 or more PDF files
How do I use PDF Merge?
Select or drop 2 or more PDF files into the dropzone.
Reorder files using the Up and Down arrow buttons.
Click 'Merge PDF Files' to combine all documents.
Download your single merged PDF file instantly.
What features does PDF Merge offer?
Combine unlimited PDF documents into a single unified file.
Custom page ordering — arrange files in exact sequence.
100% Client-Side merging using WebAssembly/pdf-lib — zero server uploads.
Preserves document quality, formatting, and page structure.
Instant browser download with zero registration.
Frequently Asked Questions about PDF Merge
Are my PDF files uploaded to any server?
No. PDF merging is executed entirely inside your web browser. Your private documents are never sent over the internet.
How many PDF files can I merge at once?
You can merge as many PDF files as your browser memory allows (typically dozens of files up to 100MB+ total).
Does merging PDFs reduce document quality?
No. PDF Merge preserves original vector graphics, text layers, embedded fonts, and image resolutions intact.