Merge PDF

Overview

Merge PDF helps you combine multiple PDF files into a single, ordered document directly in your browser. This is useful when you need to submit several attachments as one file, create a packet of invoices, build a set of scanned pages, or assemble a small “bundle” for school, work, or government applications. Instead of opening a desktop editor or uploading files to an online service, you can select PDFs here, put them in the right order, and export one merged PDF in seconds.
This page is designed to be simple and privacy-friendly. The merge process runs locally on your device, so your PDFs are not uploaded to our server. That matters when you work with documents that may contain personal information, internal company details, addresses, contracts, receipts, or account numbers. You stay in control of what you select and what you download. When you are done, you can clear the list and run another merge with a different set of files.
The output is a standard PDF that you can share by email, upload to a form, or store in your own archive. If you want to combine pages from different sources into one readable document, merging is usually the fastest and most compatible approach.

When to use

Use this tool when you have multiple PDFs that should be treated as one document. Common examples include: joining scanned pages into one submission, combining monthly invoices into a single attachment, merging resumes and supporting documents, or creating a “single file” version of a multi-part report. Merging is also helpful when a website or email system only accepts one PDF upload.
If you only need a specific page range from a large document, a Split PDF tool is usually a better first step. If your goal is to reduce file size rather than combine documents, a PDF compression tool is more appropriate. Merge PDF focuses on ordering and combining, not editing the content of pages.

How to use

1. Add your PDF files (drag & drop, or click the file picker).
2. Confirm the list and reorder if needed (Up/Down changes the merge order).
3. Remove any file you don’t want included (optional).
4. Click the merge button and wait for the progress bar to complete.
5. Download the merged PDF, then merge again or clear the list when finished.

Notes / limitations

• Large PDFs or many files may take longer to merge and can use more memory, depending on your device and browser.
• Encrypted or password-protected PDFs may fail to load unless they are unlocked first in another viewer.
• Some PDFs contain unusual fonts or page settings; the merged file should remain readable, but minor rendering differences can occur across viewers.
• The merge order is exactly the order shown in the list. If the output looks “wrong,” reorder and merge again.
• This tool combines pages as-is. It does not edit text, remove pages, or compress images inside the PDF.
• Privacy note: the merge is designed to run locally in your browser, so selected PDF files are not uploaded to our server.

Summary

Merge PDF is a simple way to combine multiple PDFs into one file without installing software. Add files, reorder them, and export a single merged document you can share or upload. The workflow is designed to be quick and consistent across devices, and the merge happens locally in your browser so you can handle sensitive documents more safely.
Before you merge, confirm the file order (the list order is the merge order). If merging fails, try fewer files or unlock any password-protected PDFs first. If the merged output looks different in another viewer, test with a small sample and verify in the PDF viewer your recipient will use. These quick checks cover the most common questions users have when merging PDFs.

Select PDFs first, then click Merge. Your merged file will download automatically.

Merge & Download

Ready.

FAQ

Does this tool upload my PDF files?
The merge process is designed to run locally in your browser, so your selected PDF files are not uploaded to our server. Like many websites, this page may load required libraries as part of normal page loading, but the PDFs you choose stay on your device during the merge.

What order will the PDFs be merged in?
Pages are merged in the exact order shown in the file list. If the output order is not what you expected, use the Up/Down buttons to reorder, then merge again.

Why did merging fail or show an error?
Some PDFs are encrypted, password-protected, very large, or contain uncommon structures that are harder to process in the browser. Try fewer files, unlock the PDF first, or test with a smaller sample to confirm everything works.

Why does the output look different from another site or app?
Different tools can handle embedded fonts, metadata, or viewer defaults differently. The merged file should remain a standard PDF, but rendering can vary between PDF viewers. If you need a specific layout, test the merged PDF in the viewer your recipient will use.