Free PDF Editor apps for Android

There are several free PDF editor apps available for Android that allow you to view, edit, and annotate PDF documents. Here are some popular options as of my last knowledge update in September 2021:

1. Adobe Acrobat Reader: Adobe Acrobat Reader is a well-known PDF viewer and editor that offers a free version with basic editing features. You can add text, annotate PDFs, fill out forms, and more.
2. Xodo PDF Reader & Editor: Xodo is a versatile PDF editor that allows you to view, annotate, and edit PDFs. It offers features like highlighting, adding text, signing documents, and more.
3. PDFelement: PDFelement is a powerful PDF editor that offers a free version for Android with essential features. You can edit text, add annotations, and fill out forms.
4. Foxit PDF Reader & Editor: Foxit is a popular PDF reader and editor with a free version for Android. It includes features like text annotation, form filling, and more.
5. OfficeSuite: OfficeSuite is a comprehensive office suite that includes a PDF editor. The free version allows you to view and edit PDFs, add annotations, and convert documents to PDF format.
6. PDF Viewer: PDF Viewer is a straightforward PDF reader and editor that lets you annotate and highlight PDF documents. It also has a night mode for reading in low-light conditions.
7. PDF Max: PDF Max is a feature-rich PDF editor that offers a free version with essential editing tools. You can annotate, highlight, sign, and fill out forms in PDFs.
8. CamScanner: While primarily a document scanner app, CamScanner also allows you to edit and annotate PDFs. It’s handy for digitizing physical documents.
9. PDFescape: PDFescape is a web-based PDF editor, but it also offers an Android app for basic PDF viewing and editing. You can add text, annotations, and shapes.
10. Librera Reader: Librera Reader is primarily an e-book and PDF reader, but it includes some basic annotation and highlighting features for PDFs.

The availability and features of these apps may have changed since my last update in September 2021. You can download these apps from the Google Play Store and explore their capabilities to find the one that best suits your PDF editing needs. Keep in mind that while these apps offer free versions, they may also offer premium features or subscriptions for more advanced editing options.