Runs entirely in your browser
Merge PDF files into one
Reorder your files, pick pages from each, and combine them into a single PDF on your device — nothing is uploaded to a server. Drop two or more PDF files to begin.
Drag & drop PDF files here
or use the button below · add two or more files · .pdf only
MAX 50MB PER FILE · PASSWORD-PROTECTED PDFs ARE NOT SUPPORTED, REMOVE THE PASSWORD FIRST
Add at least two PDF files to merge.
What Is Merge PDF?
Merging PDFs means combining two or more separate PDF files into a single document, with the pages appearing in whatever order you choose. Instead of sending several attachments or manually stitching pages together, you get one file that reads start to finish.
This tool reads each PDF you add directly in your browser, lets you reorder the files and pick which pages to include from each, then stitches everything into one combined PDF — all without uploading anything to a server.
Why Use Our Merge PDF Tool?
Most online mergers ask you to upload your files to a remote server, wait in a queue, and trust that they're deleted afterward. This tool takes a different approach: reading each PDF and assembling the merged file both happen inside your own browser tab using JavaScript libraries. Your documents never leave your device.
- No account or sign-up: open the page and start merging immediately.
- No file uploads: nothing is transmitted to a server for processing.
- No paid API: merging runs on free, open client-side libraries.
- No hidden limits: merge as many files as you like, in any order.
Key Features of Our Merge PDF Tool
Drag-free reordering
Move any file up or down in the queue with a click, so the merged PDF comes out in exactly the order you want.
Per-file page ranges
Include every page from a file, or just a range like "1-3,5" — no need to include pages you don't want.
Automatic bookmarks
Add a bookmark for each source file so readers can jump straight to where one document ends and the next begins.
Optional page numbers
Stamp sequential page numbers across the whole merged document, positioned where you choose.
Separator pages
Insert a blank page between files to make printed copies easier to divide back up.
Page 1 previews
See a thumbnail of each file's first page in the queue, with a larger preview a click away.
Benefits of Using Merge PDF
- One file to share: send a single attachment instead of several separate PDFs.
- Stay private: in-browser processing means your documents never touch a third-party server.
- Easier navigation: bookmarks let readers jump directly to each original document.
- Full control over order: reorder files and trim pages before merging, not after.
- No software to install: everything runs in the browser you already have open.
How to Use Merge PDF?
- Add your files. Drag and drop two or more PDFs onto the drop area, or click "Browse files" to select them.
- Put them in order. Use the up and down arrows on each file to arrange the merge order.
- Choose which pages to include. Leave a file's page field blank for all pages, or enter a range like "1-3,5".
- Set your merge options. Add page numbers, bookmarks, or blank separator pages if you'd like them.
- Click "Merge PDFs" and download the combined file from the summary window that appears.
Supported File Formats
| Format | Direction | Notes |
|---|---|---|
| PDF (.pdf) | Input | Standard, unencrypted PDF files. Add as many as you like. |
| PDF (.pdf) | Output | A single combined PDF containing the selected pages from every file, in your chosen order. |
Why Choose Our Online PDF Tool?
There's no shortage of PDF mergers online, but many route your files through a server, require a paid plan, or limit how many pages you can combine per day. This tool is built around a simpler premise: merge entirely on your device using free, open libraries — no paid conversion API involved — and stay free to use without a login.
Privacy and Security
Because merging happens client-side, each PDF is read directly into your browser's memory, its pages copied there, and written back out as one combined file — at no point is the file content sent to a server operated by this site or anyone else.
Common Use Cases
- Combining scanned documents — merge several single-page scans into one multi-page file.
- Assembling a report from a cover page, body chapters, and appendices saved as separate PDFs.
- Preparing a single submission when an application only accepts one attached file.
- Building a reading packet from several source documents, in a specific order.
Frequently Asked Questions
Is this Merge PDF tool really free?
Yes. There's no sign-up, no per-file fee, and no watermark added to the merged document.
Are my files uploaded to a server?
No. Reading each PDF and assembling the merged file both run inside your browser using JavaScript. Your documents are never transmitted anywhere for processing.
Can I choose the order the files are merged in?
Yes. Use the up and down arrows on each file in the queue to move it earlier or later in the merge order.
Can I merge just a few pages from a file instead of the whole thing?
Yes. Enter a page range like "1-3,5" in the field on that file's card. Leave it blank to include every page.
Can it merge password-protected PDFs?
No. Files that require a password to open are not supported — remove the password with a PDF unlock tool first, then merge the result.
Is there a limit to how many files I can merge?
No hard limit is enforced by this tool. The practical limits are your device's memory and the 50MB-per-file size cap, which keeps in-browser processing responsive.
Conclusion
Combining a handful of PDFs into one file shouldn't require uploading sensitive documents to an unknown server or installing desktop software. This tool aims to make merging fast, private, and free — reading, reordering, and rebuilding your files entirely on your own device, from two quick scans to a full multi-file packet.