PDFrio: PDF Editor & Reader

PDFrio is your all-in-one PDF toolkit for Android. Read, edit, convert, merge, split, compress, scan, and sign PDF documents — all powered by AI.

PDFrio is the privacy-first PDF toolkit for Android. Read, edit, sign, merge, split, compress, scan, convert, and OCR PDFs — all processed on your device, never uploaded to a server.

🔒 PRIVATE BY DESIGN

Your files never leave your phone. No uploads, no cloud, no tracking. Open the app in airplane mode and every tool still works.

📖 PDF READER

• Smooth scrolling, page-flip and continuous modes

• Night mode and sepia for low-light reading

• In-PDF search and page bookmarks

• Opens password-protected PDFs

✏️ PDF EDITOR

• Edit existing text directly inside the document

• Highlight, underline, strike-through, draw freehand

• Add text, sticky notes, images, stamps, signatures

• Redact sensitive content with true black-out

• Multi-tab editing, undo/redo, autosave

✍️ SIGN PDF

• Draw or type your signature

• Drag to position, resize freely

• Save signatures for one-tap re-use

📚 MERGE & SPLIT PDF

• Combine multiple PDFs into one document

• Drag to reorder, then export

• Split a PDF into pages, ranges, or by size

• Reorder, rotate, delete, or duplicate pages

📦 COMPRESS PDF

• Shrink large PDFs without losing quality

• Especially useful for image-heavy documents

• Preview before saving

📷 DOCUMENT SCANNER

• Camera-based scanning with automatic edge detection

• Multi-page scans, auto-crop, perspective correction

• Save as a searchable PDF with OCR baked in

🔍 OCR (TEXT RECOGNITION)

• Extract editable text from scanned PDFs and images

• 100+ languages, runs entirely on-device

• Powered by Google ML Kit — no internet required

🔄 PDF CONVERTER

• PDF to Word (DOCX) with formatting preserved

• PDF to JPG or PNG, per page or all pages

• JPG, PNG, WebP to PDF in batch

🤖 AI ASSISTANT (Optional)

• Summarize long PDFs in seconds

• Ask questions and get answers grounded in the document

• Only the selected text is processed; the file itself stays on your device

🌐 PDFRIO ON THE WEB

Need PDF tools on a desktop? Visit pdfrio.priodemy.com — eight web tools that run entirely in your browser. No upload, no install, no account.

PRICING

Every feature is available without payment. The Premium subscription removes ads — that is the only difference. No features are gated, no daily limits, no file-size caps.

WHO IT'S FOR

• Students annotating textbooks and assignments

• Professionals signing contracts on the go

• Researchers extracting text from scanned papers

• Anyone tired of uploading sensitive documents to a website

WHY PDFRIO?

Many online PDF tools upload your files to their servers and process them there. PDFrio runs everything in your browser or directly on your phone. Your files never travel anywhere, and there are no daily usage limits or file-size caps.

📧 SUPPORT

Email: support@priodemy.com

Privacy policy: https://pdfrio.priodemy.com/privacy

A Priodemy product.