Merge PDF
Combine several PDF files into a single document and arrange them in the order you choose. Runs locally in your browser.
Files stay on your device
This tool runs entirely in your browser. Your file is read and processed locally and is not uploaded to a TangleOff server.
Drop PDFs to merge
PDF files · up to 50 MB each
or drag and drop. Files stay on your device.
How to use this tool
- 1Add two or more PDF files. You can add them one at a time or several at once.
- 2Use the arrows to set the order you want in the final document.
- 3Generate the merged PDF and download it.
Formats and limits
- Accepts
- Produces
- Max input
- 50 MB per file
Encrypted PDFs cannot be opened in the browser and are reported as unsupported rather than silently failing.
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Frequently asked questions
- Do my PDFs get uploaded?
- No. They are read and merged in your browser using a JavaScript PDF library, and the merged file is offered back to you as a download.
- What order will the pages be in?
- Exactly the order shown in the list, top to bottom. Use the up and down arrows to rearrange files before merging.
- Can I merge encrypted PDFs?
- No. Password-protected PDFs cannot be processed here. Remove the password first, then merge.