Merge PDF Online
Combine multiple PDF files into a single PDF, in the order you choose.
Combine two or more PDF files into a single document, arranged in exactly the order you upload them — no software to install, no watermark, and no limit beyond the file count below. Works for merging a resume with certificates, combining scanned pages into one document, or joining separate reports into a single file for sharing.
Choose 2–20 files.
How to use Merge PDF Online
- 1Upload your files.
- 2Adjust the settings if needed.
- 3Click "Merge PDF Online" to process it.
- 4Download your result — the file is deleted automatically afterward.
Why merge PDFs into one file?
Documents rarely arrive as a single tidy file — a contract might be a signature page, a set of terms, and an appendix scanned separately; a job application might need a resume, cover letter, and certificates combined. Most portals and email systems only accept one attachment per document slot, so merging everything into a single PDF, in the correct reading order, is often a hard requirement rather than a convenience.
Merging also matters for anything you'll print or archive: a combined PDF keeps page numbering, printing order, and file organization consistent, instead of relying on someone to open and print several separate files in the right sequence by hand.
How merging works here
Upload your PDFs in the order you want them to appear in the final document — this tool combines them exactly in that sequence, preserving each page's original content, formatting, and quality. You can merge up to 20 files in one job.
The output is a single new PDF; your original files aren't modified and aren't merged in place. If a page needs to be rotated or removed before merging, use PDF Rotator or PDF Page Extractor first, then merge the results.
Frequently Asked Questions
How do I merge PDF files?
Upload two or more PDFs in the order you want them combined, then click Merge PDF — the combined file downloads automatically.
How many PDF files can I merge at once?
You can combine up to 20 PDF files in a single job.
Can I change the order of pages after merging?
The merge order follows the order you upload files in. To rearrange pages within the result, split it with Split PDF, reorder, and merge again.
Is my file safe?
Yes — your files are processed and then automatically deleted shortly after. We don't retain uploaded PDFs.
Is this tool really free?
Yes, Merge PDF is completely free to use — no sign-up, no hidden charges, no watermark.