Collate - Image to PDF

Collate transforms your photos and document scans into clean, encrypted, searchable PDF documents with zero cloud dependencies. Built for privacy, speed, and elegance, Collate performs all processing directly on your iPhone. Your files never leave your device. KEY FEATURES • Bounded Streaming Engine: Convert single images or massive multi-page albums without slowdowns or memory limits. • Professional Page Formatting: Choose from US Letter, A4, A3, A5, Legal, Tabloid, or dynamic Fit to Image dimensions with configurable margins and orientations. • Batch Organization: Rotate individual pages or all pages at once, reverse page order, or sort by filename with one tap. • Smart Compression: Choose from Original, High, Medium, or Low compression presets to match strict email attachment limits. • Offline Document Scanner: Capture physical documents with automatic boundary detection, perspective correction, and contrast tuning. • Searchable OCR Text Layer: Automatically recognize text with on-device Apple Vision and inject invisible text layers, making your PDFs searchable in Apple Files and Spotlight. • 128-Bit AES Password Encryption: Protect sensitive medical, legal, and financial files with hardware-accelerated password locking. • Native iOS Sharing: Seamlessly export to Apple Files, AirDrop, Messages, Mail, or native AirPrint printers. PRIVACY BY DESIGN Collate has no servers, no analytics trackers, no user accounts, and no telemetry. What happens on your device stays on your device.