Merge PDF

Combine many PDF files into one neat document with PDFLUX Merge PDF. This online tool lets you upload your PDFs, set the order, and merge them in a few clicks. As a result, you save time and avoid installing heavy software. In addition, you can use it for free as often as you like.

How to Merge PDF Online

1. First, click “Use Tool Now”
   Open the PDFLUX Merge PDF tool in your browser.
2. Then upload 2 or more PDF files
   Drag and drop your PDFs into the box, or click to choose files from your computer, phone, or tablet.
3. Next, check the order of your PDFs
   If you need a different order, remove a file and add it again in the right place.
4. After that, click “Merge PDFs”
   The tool joins all pages from the selected files into one new PDF.
5. Finally, download your merged PDF
   Save it to your device or share it right away with others.

Features

✅ Merge many PDFs at once – Join several files in a single merge, instead of handling them one by one
✅ Work with large files – Handle long reports and scans with ease, even on basic devices
✅ Keep full quality – Text, fonts, and images stay clear and sharp in the final file
✅ Secure and private – The tool runs in your browser on your device, so you stay in control
✅ No sign‑up needed – Start using it right away, without creating an account
✅ Fast results – Most merges finish in just a few seconds, even with many pages
✅ No watermarks – Get clean PDFs without extra logos or marks on your content
✅ Use on any device – Work on computer, tablet, or phone, at home or on the go

Why use PDFLUX Merge PDF?

PDFLUX Merge PDF gives you a simple way to combine files when you do not want extra software. Because it runs in the browser, you can merge PDFs at work, at school, or while you travel. This flexibility makes the tool useful for students, small teams, and anyone who often shares documents.

Strong privacy with work done in your browser

Privacy matters, and PDFLUX keeps this in mind from the start. In many cases, the merge step happens right in your browser. This method, called client‑side processing, means your files stay on your device during the task. Because of this, the tool suits files that hold private data, like contracts, ID scans, medical notes, and bank records. In addition, we do not use your content for ads or sell it to others.

Fast and smooth merging

Speed also plays a big role in daily work. The tool has a light design, so it feels quick and easy to use. You upload your files, check the order, and click merge; therefore, the whole process stays simple. As a result, most users see the final PDF in a short time. Even when you join many files, the steps stay clear and do not feel heavy.

Completely free to use

Cost often blocks people from using good PDF tools. With PDFLUX Merge PDF, you do not pay anything. There is no trial that later turns into a paid plan. Instead, you can visit the page, use the tool, and download your merged file as often as you need. Consequently, students, freelancers, and small companies save money while still handling PDFs in a smart and safe way.

Common Use Cases

Business Documents

In business, you often get many small PDFs from different places. Instead of sending them one by one, you can turn them into one clear file. For example, you can:

• Combine invoices, purchase orders, and receipts into a monthly report
• Join contracts, NDAs, and extra terms into one file for a client
• Group project briefs, specs, and status updates into a single project pack

This way, your staff and clients only have to open one tidy document rather than many separate files.

Academic Work

Students and teachers also gain a lot from merging PDFs. During a course or project, you collect many documents. With PDFLUX, you can:

• Merge thesis chapters, references, and appendices into one final file
• Combine lecture notes, slides, and reading lists into a single study pack
• Group research papers and data tables when you send work to a journal or event

As a result, your study material stays easy to manage, share, and back up.

Personal and Admin Documents

At home, it is easy to lose track of paperwork. Instead of keeping many loose files, you can group them. For instance, you can:

• Combine tax forms, bank statements, and receipts for each year
• Group insurance policies, ID copies, and key letters in one safe file
• Merge travel tickets, hotel bookings, and trip plans for your next holiday

Because of this, you spend less time hunting for files and more time getting things done.

Presentations and Reports

When you prepare a meeting, you may have slides, notes, and extra reading. Rather than sending each one alone, you can merge them. With PDFLUX Merge PDF, you can:

• Join slides, handouts, and support documents into one shareable PDF
• Merge multi‑part reports that were saved as separate files into a final version

Thus, your audience receives one smooth document instead of many small pieces.

Tips for Best Results

💡 Plan your order:
Before you upload, give your files clear names like 01-Intro.pdf, 02-Chapter1.pdf. In this way, you can control the order more easily.

💡 Check each file first:
Open every PDF quickly to make sure it is not blank, corrupted, or the wrong version. This small step prevents issues later.

💡 Watch very large files:
If you work with huge scans or very long reports, the merge may take more time. In that case, you can merge them in smaller groups and then merge those groups again.

💡 Review the final PDF:
After the download, scroll through the merged file once. As you check, confirm page order and make sure all parts appear as expected.

💡 Keep backups:
Always save your original PDFs. Later, you may want to change the order, remove some parts, or create new versions for other uses.

FAQ

Is it secure?

Yes. PDFLUX treats your files with care from start to finish. The Merge PDF tool often works inside your browser, so your PDFs stay on your device while you use the tool. In addition, we do not scan your content for ads, and we do not sell your data. The site also uses HTTPS, which helps protect your connection while you upload and download.

Can I use it on Mac?

Yes, you can use PDFLUX Merge PDF on a Mac. It also works on Windows, Linux, Chromebooks, and most phones and tablets. You only need a modern browser such as Safari, Chrome, Firefox, or Edge. Therefore, you do not have to install extra programs.

Is merging PDFs really free?

Yes. The merge tool is fully free. You can open the page, add your PDFs, merge them, and download the result without paying or creating an account. Moreover, you can repeat this process as many times as you need.

How many PDFs can I merge at once?

You can join several PDFs in one run. For smoother use, especially on older devices, try to merge up to about 20 files at a time. If you have more files, you can merge them in a few rounds and then combine those merged files again.

Will the quality change?

No. The merge step keeps your pages as they are, so text, fonts, and images stay the same in the final file. If a page looks sharp in the original PDF, it will also look sharp after the merge. Therefore, you do not lose quality just by joining files.

Can I merge scanned PDFs?

Yes. You can merge scanned PDFs and normal text PDFs in one file. The tool simply adds all pages in the order you choose. As a result, you can mix scans, forms, and digital documents without any problem.

Security & Privacy

• 🔒 Work done in your browser: The merge task runs with JavaScript on your device (client side).
• 🔒 No long‑term storage: We do not keep your files after you finish your task; they stay under your control.
• 🔒 No account needed: You can use the tools without sign‑up or personal details.
• 🔒 Encrypted link: HTTPS protects data while it moves between your device and the site.
• 🔒 No content sale: We do not read, sell, or trade the text or images in your PDFs.

Browser Compatibility

PDFLUX Merge PDF works well on most modern browsers, so you have many options:

• ✅ Google Chrome
• ✅ Mozilla Firefox
• ✅ Apple Safari (on macOS and iOS)
• ✅ Microsoft Edge
• ✅ Other Chromium‑based browsers like Brave and Opera

If you keep your browser updated, you can use the tool without any plug‑ins or add‑ons.

Related Tools

After you merge your PDFs, you may also find these tools helpful:

• Compress PDF – Make the merged file smaller for easier sharing by email or chat
• Split PDF – Cut a large PDF into smaller parts or pull out a group of pages
• Rotate PDF – Fix pages that show sideways or upside down
• Add Page Numbers – Add clear page numbers to the merged document
• Unlock PDF – Remove passwords from protected files before you merge them
• Watermark PDF – Add your logo or text like “CONFIDENTIAL” or “DRAFT”

Technical Details

• Input files: Standard PDF documents (about PDF 1.3 to PDF 2.0)
• Output file: A single PDF that works in all common PDF readers
• Typical max size: Often up to around 50 MB per file, based on your browser and device memory
• Images and fonts: The tool keeps embedded images and fonts from your source files
• Metadata: In most cases, the first file in the list gives the title and main document info

Need Help?

If you have trouble merging PDFs, you can try a few quick checks:

• First, make sure each file opens in a PDF reader without errors
• Then, remove passwords or locks before you merge protected files
• Next, merge fewer files at once if your browser feels slow
• After that, update your browser to the latest version and try again

If none of these steps solve the problem, you can contact the PDFLUX support team through the support or contact page on the site.

Start using PDFLUX Merge PDF now to combine your PDF files—simple, fast, and secure.