Calm PDF Image Toolkit

Convert, merge, compress & read PDFs with ease. OCR text extraction, 8 reading modes, 6 themes, 20+ languages. 100% on-device privacy. Try Pro free!

Calm PDF is a powerful, beautifully designed PDF and image toolkit that lets you convert, view, merge, compress, and extract text — all without leaving your device. No cloud uploads, no server processing, no account needed. Your files stay on your phone, always.

Whether you need to quickly convert a photo to PDF, merge multiple documents before a meeting, compress large files for email, or extract text from a scanned receipt, Calm PDF handles it all with a clean, intuitive interface that gets out of your way.

WHAT YOU CAN DO FOR FREE: • Convert images to PDF — turn any photo into a professional document instantly • Format conversion — PNG to JPG, JPG to PNG with quality control • PDF to image — export PDF pages as JPG or PNG for sharing • Merge PDFs — combine multiple documents into a single file effortlessly • Image compression — reduce photo file sizes without visible quality loss • PDF Reader — enjoy 8 unique reading modes: Sepia, Night, Eye Care, Focus, High Contrast, and more • Annotations — highlight text, underline, add sticky notes, stamps, and bookmarks • File management — organize documents into color-coded folders with smart filtering and sorting • Page navigation — jump to any page instantly, search text within any PDF • 6 stunning themes — Light, Dark, Warm, Kids, Senior, and Monochrome • 20+ languages — including full Arabic, Urdu, Hebrew, and Persian RTL support

UNLOCK PRO FOR MORE POWER: • Unlimited bulk conversions — free users get 2 per day, Pro gets unlimited • PDF Compression — dramatically reduce PDF file sizes for easy sharing • Watermarks — add text or image watermarks to protect your documents • PDF Split — divide documents by page number or custom page ranges • WebP conversion — convert PDFs and images to modern WebP format • Create from scratch — build new PDF documents from a blank page • HEIC/HEIF support — convert Apple's native photo format to JPG or PDF • OCR Text Extraction — pull copyable, searchable text from scanned images and photos • Searchable PDF — transform any scanned PDF into a fully searchable document with OCR • Batch processing — convert or compress dozens of images at once • App Lock — protect your documents with PIN code, Face ID, or Touch ID

PRIVACY & SECURITY: • 100% on-device processing — nothing is uploaded to any server, ever • No account required — download and start using immediately • No tracking, no analytics, no ads (Pro removes all ads) • iCloud and Google Backup support for your settings and preferences • Your documents are never accessed by anyone but you

DESIGNED FOR EVERYONE: • Kids theme — bright, colorful interface designed for young students • Senior theme — extra-large text and high contrast for comfortable reading • 8 PDF reading modes — find the perfect setting for any lighting condition • Minimum 44px touch targets — easy to tap, even for users with motor difficulties • Full RTL support — seamless experience for Arabic, Hebrew, Urdu, and Persian speakers

SUPPORTED FORMATS: PDF, JPG, JPEG, PNG, WebP, BMP, GIF, HEIC, HEIF

Calm PDF is built for people who want a fast, reliable, and private PDF toolkit without the bloat of enterprise apps or the privacy concerns of cloud-based services. No subscriptions required — a lifetime purchase option is available for those who prefer to pay once.

Download Calm PDF and take full control of your documents — calmly, privately, and beautifully.