The best PDF editor apps for Android are Adobe Acrobat Reader (free, most features), RaptorPDF (browser-based, no install), WPS Office (excellent free tier), and Xodo (fast, clean interface). For most Android users, Adobe Acrobat Reader (free) or using RaptorPDF in Chrome covers everyday needs without paying for a subscription.
The most widely used PDF app on Android. Free features include viewing, annotation (highlight, underline, strikethrough, sticky notes), basic form filling, and cloud storage access. Signing and advanced editing require Adobe Acrobat Pro subscription.
Xodo is a fast, clean PDF app built specifically for Android and iOS. It includes annotation tools, signature creation, form filling, and real-time collaboration on PDFs. All core features are free — no subscription required for basics.
WPS Office is a full office suite for Android that includes excellent PDF viewing, annotation, and conversion tools. The free version shows ads but provides robust PDF features including conversion to Word, compression, and merging.
Available on some Samsung devices and through Samsung's app ecosystem. Offers clean annotation and form filling tools optimized for Samsung's DeX mode and S Pen.
RaptorPDF works in Chrome on Android without installing any app. Useful for occasional use or on managed devices where app installation is restricted.
| App | Cost | Annotate | Sign | Convert |
|---|---|---|---|---|
| Adobe Acrobat Reader | Free/Paid | Yes | Yes (basic) | Pro only |
| Xodo | Free | Yes | Yes | No |
| WPS Office | Free (ads) | Yes | Yes | Yes |
| RaptorPDF (browser) | Free | Yes | Yes | Yes |
If you'd rather not install another app, RaptorPDF works directly in Chrome on Android:
Works in Chrome. No installation, no watermarks, no account needed.
Open in ChromeXodo PDF Reader and Editor is one of the best free Android PDF apps — it offers full annotation, signatures, and form filling without a subscription. Adobe Acrobat Reader is also excellent for free. RaptorPDF in Chrome is a no-install option.
Editing embedded PDF text on Android requires advanced OCR-capable tools, typically paid. For adding text boxes on top of a PDF (not changing existing text), Xodo, Adobe Acrobat Reader, and RaptorPDF all offer this for free.
Xodo and Adobe Acrobat Reader both work offline for annotation and viewing on Android. RaptorPDF requires an internet connection to load the tool, though files are processed locally.
Yes, Adobe Acrobat Reader is free on Android for viewing, basic annotation, and simple form filling. Converting PDFs, OCR, and advanced editing require an Adobe Acrobat Pro subscription.
Yes. Xodo, Adobe Acrobat Reader (basic signing), and RaptorPDF in Chrome all provide free PDF signing on Android. These create legally valid electronic signatures.