Merge PDF — Free Online, No Upload Needed
Merge multiple PDF files into one in the order you choose. Runs fully offline with pdf-lib.
PDFFreeNo uploadOffline-capable
Open the interactive merge pdf tool — free, runs in your browser.
About this merge pdf
Combine invoices, contracts or textbook chapters into one PDF in the exact order you need. Each file shows its page count and a first-page thumbnail, so you can verify the order before merging — all without uploading sensitive documents.
How to use
- Add two or more PDFs and check their page counts and thumbnails.
- Reorder with the arrow buttons.
- Click Merge PDFs to download the combined file.
Common use cases
- Combine monthly invoices into one PDF for an accountant.
- Join a contract, its appendix and signature pages into a single signed document.
- Merge textbook chapters or paper drafts into one file before printing or sharing.
Every file is processed locally in your browser. Nothing is uploaded, logged or stored, and there is no account to create.
Merge PDF FAQ
Are my PDFs uploaded?
No. Merging happens locally; nothing is sent to any server.
Step-by-step guides
Guide
How to Merge PDF Files Into One (Free, Private)
Combine multiple PDFs into a single file in the right order, free with page-count previews. Nothing is uploaded.
Guide
How to Split a PDF and Extract Specific Pages (Free)
Split a PDF by page ranges like 1-3, 5, 8-10 with live thumbnail highlighting. Extract pages or download all as ZIP.
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