Add as many PDFs as you like, put them in the right order and combine them into a single document.
Your files never leave your computer: everything is processed entirely in your browser.
Drag two or more PDFs to the upload area, or click to choose them from your computer. You can keep adding more files afterwards.
Each file appears as a thumbnail — drag them into the order you want them in the final document.
Click merge to combine everything into a single PDF, in the chosen order, and download the result.
Yes, there's no practical limit on the number of files — you can add as many as you like before merging.
Yes. Each PDF goes into the final document with all its pages in their original order; you only choose the order of the files by dragging the thumbnails.
No. The original files are never modified — the tool always creates a new combined PDF for you to download.
No. All processing happens inside your own browser — the file never leaves your computer or passes through any external server. You can confirm this by disconnecting from the internet once the page has loaded: the tool keeps working normally.
No. PDFsy doesn't ask for sign-up, an account or payment — just open the page and use the tool.
Yes. PDFsy offers PDF tools equivalent to iLovePDF's — merge, convert, compress, protect and much more — available in 25 languages, with no usage limits, no need to create an account, and 100% local processing in your browser, without uploading any file to any server.