Pi Scanner: PDF Scanner App

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Content rating
Everyone
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Content rating
Everyone
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About this app

Looking for a fast, reliable, and all-in-one PDF scanner and document scanner?

Pi Scanner turns your mobile device into a powerful pocket scanner app that digitizes paper documents, receipts, contracts, IDs, books, and photos into crystal-clear, multi-page PDF or JPEG files in seconds. Whether you need a quick scan to pdf, an intuitive barcode scanner, or professional PDF tools to merge pdf, organize pdf, and add sign to pdf, Pi Scanner delivers unmatched speed, and clarity.

Say goodbye to bulky office desktop machines. With our intelligent camera scanner, your smartphone is the only digital filing cabinet you will ever need!

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KEY FEATURES AT A GLANCE
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πŸ“„ 1. HD Document Scanner & Fast Scan to PDF
β€’ Instant Auto Edge Detection: Automatically detects page borders and corrects perspective distortion instantly.
β€’ Smart Color Enhancements: Apply professional filters including Magic Color, Sharp Black & White, Grayscale, and Lighten to eliminate shadows and wrinkles.
β€’ Multi-Page Batch Scanning: Rapidly digitize dozens of pages in batch mode to build comprehensive contracts, books, study notes, or tax records.
β€’ High-Resolution Export: Produce publication-grade, ultra-sharp PDF documents ready for printing or emailing.

πŸ–ΌοΈ 2. Versatile Image to PDF & PDF to Images Converter
β€’ Image to PDF Converter: Transform photos, gallery snapshots, receipts, and invoices (JPG, PNG) into standardized PDF files in a single tap.
β€’ PDF to Images Extractor: Effortlessly extract pages from any PDF document and convert them into crisp, high-definition image formats.
β€’ Custom Page Layouts: Adjust page sizes (A4, Letter, Legal, Business Card) and optimize margins before generating your PDF.

⚑ 3. Lightning-Fast Barcode Scanner & QR Code Scan
β€’ All-in-One Barcode Scanner: Read all standard 1D and 2D barcode formats (UPC, EAN, Code 128, Code 39) with instant product lookup.
β€’ Instant QR Code Scan: Instantly decode web URLs, Wi-Fi credentials, contact vCards, geo-locations, calendar events, and SMS.
β€’ Batch Code Reader: Scan inventory barcodes continuously without interruptions and export log results easily.

✍️ 4. Digital Signature & E-Sign on PDF
β€’ Add Sign to PDF: Create, draw, or import your personal electronic signature and stamp it securely onto contracts, agreements, and forms.
β€’ Watermark Protection: Add custom security watermarks ("CONFIDENTIAL", "DRAFT", company logos) to prevent unauthorized distribution.

πŸ“‘ 5. Merge PDF, Split & Organize PDF Pages
β€’ Merge PDF Files: Combine multiple scattered PDF files into one clean, continuous document.
β€’ Organize PDF Pages: Reorder, drag-and-drop, rotate, duplicate, or delete unnecessary pages effortlessly.
β€’ Compress PDF Size: Reduce document file size without sacrificing readability.

πŸ”’ 6. Password Protection & Total Data Privacy
β€’ Protect Sensitive Documents: Lock private files with military-grade AES password protection to keep confidential records safe.
β€’ Offline & Private: Your documents are processed directly on your device. We respect your confidentiality.

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WHY PI SCANNER IS YOUR BEST CHOICE?
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βœ“ Zero Watermarks: Clean, pristine documents without forced branding.
βœ“ 100% Offline Capability: Scan, convert, merge, and sign anywhere, anytimeβ€”no internet connection needed.
βœ“ Ultra-Lightweight & Smooth: Optimized for performance, saving your battery life and device storage.
βœ“ One-Tap Sharing: Send your scans instantly via WhatsApp, Gmail, Outlook, Telegram, Google Drive, Dropbox, or Bluetooth.

Download Pi Scanner todayβ€”the ultimate free pdf scanner, document scanner, and barcode scanner app worldwide!
Fast PDF scanner, document scanner & QR barcode scan. Merge, sign & protect PDF.
Updated on
Oct 1, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

⚑ Faster scan-to-PDF: tap Make PDF, done in secondsβ€”user-friendly scanner app in terms of fast scanning.
πŸ“ Unique auto file names (rename anytime)
🏷️ Fix image rotation issue
πŸ›‘οΈ More stable, with built-in crash reporting
πŸ”§ New in the menu: More Tools, More Apps & Write a Review
πŸ“„ Free, on-device scanner: scan docs, JPG to PDF, merge & share
πŸ“„ Improve document scanning
πŸ›‘οΈ Fast image to PDF, PDF to images