Combine multiple PDF files into one document, in the order you choose.
Drop multiple PDF files here or click to select
Your file never leaves your device · No signup · No daily limit
Up to 100 MB per file
Need to extract pages from a PDF instead? Split PDF
No. Merging happens with pdf-lib in your browser; the documents are read into memory locally and never sent to a server.
There is no artificial cap. The practical limit is your device's memory, since everything is assembled locally. Very large batches use more RAM.
No. Pages are copied intact, so text stays selectable and images keep their original resolution.
