Drop in as many PDFs as you like, drag them into the right order, and get back a single file. Bookmarks and page sizes are preserved exactly as they were, and because the merge happens inside your browser there is no upload to wait for and no copy of your documents on anyone else’s server.
This takes a second on the first visit, then it is cached.
Drop your PDFs in — or pick them from the file dialog.
Drag the cards to set the order. The first card becomes page 1.
Hit Merge. The download is ready the moment the bar fills.
No hard limit. The work happens on your own machine, so the ceiling is your device’s memory rather than an upload quota. Hundreds of small files or a handful of very large ones are both fine.
No. Merging runs entirely in your browser. Nothing leaves your device unless you tick "Save to my library", which stores the result in your own account.
Internal links and form fields are copied along with the pages. Links that pointed at a page in a different source file will resolve to the merged document.
No. Merge PDF runs entirely inside your browser using WebAssembly and the Canvas API — the bytes of your document never travel to us. The only thing that reaches our servers is a counter incrementing by one, and whatever you deliberately choose to save to your library.
Yes: three documents a day, up to ten pages each, with no account and no watermark. Beyond that, Baker is $10 a month for 300 documents with no page limit at all, and Bakery is $25 for 1,500.