What this tool does
Drop in two or more PDFs, set the order, click one button and walk away with a single combined file. This is the classic "I need to send these as one PDF" job: an invoice plus a receipt, a contract plus its appendices, a stack of scans into a single dossier.
Everything happens in your browser. The files never leave your device - there is nothing to upload, nothing to wait on, and nothing stored on a server afterwards.
How to use it
- Drop two or more PDF files onto the upload zone, or click "Pick files" and select them.
- Each file shows up as a card with a preview of its first page, file size, and number of pages.
- Reorder the cards: drag them around, or use the left and right arrows on each card. The number badge tells you what will become page 1, page 2, and so on.
- Click "Merge PDFs". A progress label tells you how many files have been processed.
- Hit "Download" to save the combined PDF. The file name is based on the first input, with a `-merged` suffix.
When this is useful
Six everyday cases where merging PDFs into one file actually solves something:
- One invoice attachment for the accountant: invoice PDF + scanned receipt + bank confirmation, all in one document so nothing falls through the cracks.
- Contracts with appendices: main agreement + Annex A + Annex B, sent as a single file the other side cannot lose half of.
- Application packages: cover letter + CV + portfolio + reference letters, in the order recruiters actually read them.
- Student work: combine a multi-part assignment (text, charts, a scanned signed cover sheet) before submitting.
- Travel documents: passport scan + visa + booking confirmation + hotel voucher, one file for border control or a travel agent.
- Tidy archives: turn a folder of separate "page 1.pdf, page 2.pdf, page 3.pdf" exports into a single document for storage.
Related tools: split PDF, remove PDF pages, extract PDF pages, PDF text extractor.
Questions and answers
No. The merge runs entirely in your browser via WebAssembly. The PDFs are read from your disk, combined in memory, and offered back to you as a download. Nothing is sent to our server and nothing is stored anywhere outside your device.