How to Merge PDF Files on Android: FAQ
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Combining different PDFs into one on Android is tricky, since the platform doesn’t provide built-in tools for doing it. We’ll walk through the basics of merging PDF files on Android and answer the most common questions to help you do it as quickly as possible.
Why Merge PDF Files
How many times has it happened that you finished a task and realized you ended up with several separate PDF files instead of one complete document? That’s quite a common case when you save one part earlier, then add more content later in another file and export it again without thinking. Eventually, you’re left with multiple documents that belong together, making it inconvenient to open and manage them instead of having everything in one place.
Despite its reliability and compatibility, editing a PDF doesn’t work the same way as editing a Word document or other text files—you can’t simply copy a page from one PDF and paste it into another document. And that’s exactly where merging comes in. In simple terms, it’s the process of combining one PDF page or an entire document with another. It’s the only way to do this without modifying the original file, converting it again, or rescanning everything if you’re working with scanned documents.
Typical situations for merging files include:
- Submitting reports
- Combining documents scanned in batches
- Sharing related files
- Organizing documents
- Creating presentations or portfolios
How to Merge PDF Files on Android
Unfortunately, Android doesn’t come with built-in options for merging PDF files. This leaves users two options: downloading a dedicated app or using an online tool.
How to Merge PDF Files Using an Online Tool
A potential issue with any online services, especially when sharing documents or other files that contain personal or sensitive information, is maintaining privacy. When you upload files online, there’s always a risk of data exposure. This can be due to weak security practices or unclear data policies, among other factors. That’s why it is important to choose tools you can trust. Ideally, you should stick to services you have already used and feel confident about, or those that have been on the market for years and have built a strong reputation.
One such tool for merging PDF online is iScanner, a platform by a company that has been specializing in scanning and PDF editing for more than 10 years.
Here’s how to merge PDFs with the iScanner web tool in a few steps:
- Open the tool.
- Click or tap Merge.
- Select the files you’d like to combine.
- Click or tap Merge to start the process.
- Click or tap Download when it’s done.
How to Merge PDF Files Using a Dedicated App
Another option to merge PDFs is to use an app. Unlike online tools, there are no apps that specialize in merging PDFs. Usually, it’s part of a broader set of features, which can be quite handy if you need more than just combining files.
The iScanner app is one example that includes PDF merging along with other document management tools. With its help, you can handle multiple steps of your document workflow within a single tool. You can scan practically anything (including handwritten notes, ID cards, or receipts), improve scan quality, convert files into common formats, e-sign them, and more.
Anyway, here’s how to merge PDF files with iScanner:
- Upload your files to the app.
- Tap Select at the top (looks like a checkmark inside a box)
- Select the files you want to merge.
- Tap More, then choose Merge.
- Tap Merge once again in the top right corner to get the result.
What to Keep in Mind While Merging PDFs on Android
Whatever option or tool you choose, there are a couple of things to remember:
Make sure your scans are high-quality and properly aligned. They should be clearly readable and have the same orientation (either horizontal or vertical). Poor lighting or shadows can also make the final merged file look unprofessional.
Check the file order before merging. The second one in the order is usually merged after the first one. It's better to double-check to avoid merging the files again afterwards.
Rename your merged file. A descriptive file name helps quickly understand what’s inside your document, making it simpler to search for or retrieve later.
Keep backups of original files. Before merging, save copies of your documents in case you need to edit or reuse them in the future.
Check the size of your merged file before sharing. After combining two PDFs, the final file may be too large. It can be inconvenient when sending it via email or uploading it to a job platform, for instance. If it’s too large, consider compressing it. It will reduce the file size without visibly affecting its quality.
Key Takeaways
- Android doesn’t have a built-in feature for merging PDF files. The way out is to use a third-party tool or app.
- Online tools are convenient but aren’t always reliable in terms of privacy, especially when working with sensitive documents. Try to use only trusted services. The iScanner online tool is one example.
- Dedicated apps often include merging as part of a broader set of features like scanning, editing, converting, and organizing documents.
- Before merging, make sure you have high-quality scans, correct page order, and proper file backups.
- Check the final file size. Merged PDFs can become large and may need to be compressed before you share them.