Merge PDF
Merge two or more PDF files into a single document for free. Drag, reorder, and download — everything happens in your browser.
Merge two or more PDF files into a single document for free. Drag, reorder, and download — everything happens in your browser.
Supported formats
How to use Merge PDF
- 1
Click the upload area and select two or more PDF files at once, or add them in batches.
- 2
Drag the file cards into the exact order you want them combined.
- 3
Click 'Merge PDFs' and wait a moment while the pages are copied into one document.
- 4
Download the single merged PDF, which keeps the original page quality.
Real examples of Merge PDF in action
invoice-jan.pdf + invoice-feb.pdf + invoice-mar.pdf
q1-invoices.pdf (one combined file for accounting)
main-agreement.pdf + exhibit-a.pdf + signature-page.pdf
contract-final.pdf (pages in signing order)
12 separate phone-scan PDFs
expense-report-october.pdf (single 12-page file)
Who is Merge PDF for?
Accountants bundling statements and receipts into one filing
Lawyers combining contract exhibits before sending to counsel
HR teams packaging offer letters, NDAs, and policies for onboarding
Students stitching scanned notes into a single study document
Why use Merge PDF?
- Copies pages with pdf-lib instead of re-rendering them, so the merged file keeps the exact quality of every source PDF.
- Lets you drag file cards into any order before merging, so a contract and its exhibits land in signing sequence.
- Adds no watermark, no page banners, and no account wall, unlike most free server-based mergers.
- Processes everything on your device, so contracts, medical records, and tax files never cross a network.
- Works offline after the page loads, which is useful on a plane or behind a locked-down corporate firewall.
Common use cases
- Combine separately scanned contract pages and exhibits into one document before emailing opposing counsel.
- Bundle a quarter of monthly invoices into a single file for your accountant or bookkeeper.
- Assemble an onboarding packet from an offer letter, NDA, and benefits policy exported as separate PDFs.
- Stitch chapter-by-chapter exports of a thesis or report into one continuous document for submission.
How Merge PDF keeps your data private
PDF merging uses the pdf-lib library running locally in your browser. Your documents never touch our servers — the entire merge happens on your device, which means sensitive contracts, medical records, and legal filings stay fully private even on public WiFi. Once the merged file downloads, we have no record that you ever used the tool.
How Merge PDF compares to alternatives
Honest comparison to other popular options — pick the right tool for the job.
| Tool | Main limitation |
|---|---|
| Smallpdf | Limits free users to two tasks per hour and uploads your files to its servers |
| iLovePDF | Applies file-size caps and prompts for sign-up on larger batches |
| Adobe Acrobat online | Requires an Adobe account and processes files on Adobe servers |
| Merge PDF | Free, runs in your browser, no sign-up, no watermarks, no file-size limits beyond your device memory. |
Limitations & things to know
- Cross-document bookmarks and outline trees may not rebuild automatically
- Encrypted PDFs must be unlocked with their password before merging
About Merge PDF
A PDF merger combines two or more separate PDF files into a single document, in a page order you control. This free tool does the whole job inside your browser using the open-source pdf-lib library, so no file is ever uploaded to a server. You select your PDFs, drag the file cards into the sequence you want, click merge, and download one combined file. The merge is lossless: pdf-lib copies each page object into the new document rather than rasterizing or re-compressing it, which means selectable text stays selectable, embedded fonts are preserved, and image resolution is untouched. What does not always carry over cleanly is document structure that spans files. A bookmark outline or a cross-page link defined inside one source PDF may not be rewritten to point at the right page once everything is renumbered, so if a navigable outline is essential you may need to rebuild it in a dedicated editor afterward. Merging is one of the most frequent document chores in offices: bundling a contract with its exhibits and signature pages, grouping a quarter of invoices for accounting, packaging onboarding paperwork, or joining scanned pages that a feeder split into separate files. Because the work happens locally, sensitive material such as legal filings, medical records, and financial statements never leaves your device, even on public WiFi, and the tool keeps working offline once the page has loaded. There are no watermarks, no hourly task caps, and no sign-up.
Frequently asked questions
Helpful tutorials
Practical guides that show real workflows for this tool and related tasks.
Your files never leave your device
Every tool on Xevon Tools runs 100% in your browser. No uploads, no servers, no tracking. Free forever.
Embed Merge PDF on your site
Add this tool to your own website, blog, or internal tool page with one line of code. Free to use, no attribution required (but appreciated).
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