Flash PDF: Reader & Sign PDF

Knn

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About this app

Flash PDF: Your complete, fast, and pocket-sized PDF office.

Tired of slow, bloated apps or monthly subscriptions just to sign or view a document? Flash PDF is the ultimate all-in-one tool to manage all your paperwork with ease: read comfortably, sign contracts in seconds, shrink file sizes for easy sharing, and keep your sensitive files private and secure.

Built for students, freelancers, and business professionals alike, Flash PDF runs 100% locally and offline: your confidential documents never leave your device and are never uploaded to third-party servers.

🌟 KEY FEATURES & BENEFITS
✍️ Instant Digital & Hand-drawn Signatures • Sign agreements, forms, leases, or waivers directly on your screen with your finger. • Formal QR-Code Verification: Stamp your important contracts with a verifiable QR code and timestamp for professional credibility. • Save your favorite signature and apply it to any page with a single tap.

📖 Smart Viewer & Bionic Reading • Smooth, instant rendering for documents of any length. • Bionic Reading Mode: A cutting-edge reading guide that highlights key letters, letting you read and absorb texts up to twice as fast with less eye fatigue. • Eye Comfort Modes: Switch effortlessly between Day Mode, warm Sepia Mode for long reading sessions, and true black OLED Night Mode to save battery. • Rapid in-document keyword search.

🗜️ Smart PDF Compressor: Shrink File Sizes • Drastically cut file weight in megabytes while keeping crisp text and image clarity. • Choose the ideal compression level to send assignments, reports, or invoices seamlessly via WhatsApp, email, or online portals.

📷 High-Definition Document Scanner • Turn your phone's camera into a portable, pocket scanner. • Digitize receipts, forms, notes, and book pages with auto-cropping and enhancement filters for clean, high-contrast results.

🔒 Secure Vault & Full Privacy • Protect confidential paperwork with a password or unlock with your phone's fingerprint sensor. • Lock personal PDFs so nobody can view them without your explicit permission.

📑 Organize, Merge & Split Pages Effortlessly • Merge PDFs: Combine multiple documents, receipts, or chapters into a single file. • Split & Extract: Select and export only the exact pages you need. • Reorder pages by dragging or rotate upside-down pages with one tap.

📸 Passport & ID Photo Maker • Create biometric identity photos with standard official dimensions. • Clean white-background templates ready to print on photo paper or attach to online applications.

🔄 Universal Image & PDF Converter • Convert gallery photos (JPG, PNG) into clean PDF documents in seconds, or export PDF pages back to images.

💼 PERFECT FOR:
• Professionals & Small Businesses: Sign quotes, NDAs, and proposals on the go. • Students & Researchers: Read study material at double speed, extract key pages, and scan handwritten notes. • Daily Life & Admin: Compress and share utility bills, tax forms, and IDs without headaches.

🔒 PRIVACY YOU CAN TRUST
Your privacy comes first. Flash PDF does not collect your files or upload them to any cloud. All processing takes place locally on your smartphone. What is on your phone stays strictly on your phone.

Download Flash PDF today and experience the fastest, easiest way to handle your documents!

What’s new

What's new in version 1.0.5!
• Full bilingual support: Enjoy all app features and tools seamlessly in English and Spanish.
• Stability & performance improvements: Fixed startup crashes and optimized document opening speed.
• Enhanced viewer & tools: Polished bionic reading, secure digital signatures, document compression, and passport photo sheets.
• Improved UI polish and accessibility across all screens.