It was a pretty tedious task to convert PDF files before the emergence of smartphones. Then, it could only be done via PC, and you’d also have to pay to access such services. Now, converting PDF files is quite easy with the help of PDF converter apps on mobile phones. Though there are online platforms that offer such services, free and offline apps are much better.
Yes, there are lots of mobile apps out there that can edit all types of PDF files, but not all are credible. If you want to easily convert PDF to other file formats like Excel, JPEG, and DOC, then you must use the right apps. We’ve done the task of finding and test-running some apps that allow you to achieve these, and you’ll get to see them.
In today’s article on Naijaknowhow, I’ll cover some of the best PDF converter apps that let you convert PDF files for free. Some require an internet connection, while others don’t. So it’s left for you to choose which suits your personal needs. Be assured that no matter which you choose, you’ll get the same outcome and results, just different processes.
You may want to check our list of the best PDF compression apps to compress PDF files on Android and iOS devices. But if you do not fancy installing apps to achieve this, you may check how to reduce PDF file size online. Enough talk; let’s dive into today’s topic.
Top PDF Converter Apps
You will be able to convert your PDF files with ease when you make use of the apps that’ll be listed below. These apps also serve as PDF readers and can be used for other types of PDF services such as editing, merging, adding watermarks, and annotations.
1. PDFelement

PDFelement is a powerful PDF editing tool that allows you to edit, convert, merge and read PDF files. It supports converting PDFs into other formats and can also convert Word, DOC, JPEG and Excel files into PDF.
PDFelement requires an internet connection, and you must sign up before using its features. While many of its tools are free, some advanced features require a premium upgrade. The app supports multiple platforms, including Android, iOS, Windows and Mac, making it easy to sync your files across devices.
- Download PDFelement: Google Play Store | Apple App Store
2. Office to PDF

If you want a simple and dedicated PDF conversion tool for iOS, Office to PDF is a great choice. It focuses strictly on converting PDF files into various formats and vice versa. The app also allows you to review conversions before saving them, making sure you are satisfied with the results.
You can store converted files directly on iCloud. Office to PDF requires an internet connection but remains completely free to use. It also lets you export your finished PDFs without stress.
- Download Office to PDF: Apple App Store
3. PDF Converter

PDF Converter is an Android app that lets you read, create and edit PDF files with ease. As the name suggests, it supports converting PDFs into other file formats and converting documents into PDFs. The app works fully offline and offers fast processing to its users.
It comes with helpful tools such as a camera scanner for scanning documents and a camera translator for recognising text. PDF Converter is lightweight and optimised for smooth performance, making it great for users who want simple and offline PDF conversion.
- Download PDF Converter: Google Play Store
4. pdfFiller

pdfFiller is a complete solution for editing and converting PDF files. It supports Android and iOS and provides cloud storage so your converted files do not take up phone memory. The app requires an internet connection, but all features are accessible for free.
You can upload files from your device storage or from cloud services. The interface is simple, and navigating between tools is easy. If you want a powerful and cloud-based PDF editing and conversion tool, pdfFiller is a good option.
- Download pdfFiller: Google Play Store | Apple App Store
5. Convert to PDF

Convert to PDF by Softo Tech is another reliable tool for converting PDFs into various formats. The free-to-use app allows you to scan spreadsheets, documents and reports and convert them into formats like Word, Excel, JPEG and more. It also offers image file conversion for optimisation.
You can choose conversion quality options such as high, medium or low, depending on your preference. It also supports batch conversion, which allows you to convert multiple files at once. The Convert to PDF app provides cloud storage, which allows you to access your previous conversions.
- Download Convert to PDF: Google Play Store
Conclusion
Finding the right PDF converter app is now easier than ever. With the apps listed above, you can read, edit, and convert PDF files without stress. Whether you prefer offline tools or cloud-based apps, these options deliver excellent performance. Some offer advanced features through premium upgrades, but even the free tools are highly effective. Choose the one that fits your workflow, and your PDF tasks will become much simpler.

