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• New "More tools" tab — your full PDF toolkit in one place • Split PDFs — one per page, every N pages, or custom ranges • Rotate pages — turn one page or all of them • Protect PDFs with a password, or remove one you know • Pick PDFs from your library or straight from your device files • About & settings now opens from the Home screen • Better layouts on tablets and large screens
Create professional PDFs in seconds. Smart scanning, custom layouts & watermarks
Cobalt PDF is an image-to-PDF and PDF management app that helps you scan documents, create customized PDFs, edit PDF pages, and organize your files — directly on your Android device. Turn photos, scanned documents, and existing PDF files into organized documents with tools for scanning, PDF creation, page editing, merging, importing, and sharing. 📸 SMART DOCUMENT SCANNING • AI Edge Detection: Automatically detect document boundaries for clean, accurate crops. • Perspective Correction: Straighten tilted or angled documents for a flat, readable result. • Auto-Capture: Capture documents automatically when the camera detects a steady frame. • Gallery Import: Select and process multiple images from your device. • Scan to PDF: Capture physical documents with your camera and create PDF files. 📄 CREATE AND CUSTOMIZE PDFS Create PDFs from images and control how your pages look before generating the final document. • Choose A4, Letter, Legal, A3, or custom page sizes. • Select portrait or landscape orientation. • Arrange 1, 2, or 4 images per page. • Adjust top, bottom, left, and right margins. • Add page numbers in multiple positions. • Add custom text watermarks with adjustable size, color, opacity, angle, and single or tiled styles. • Choose image quality and compression from Low, Medium, High, or Max. • Custom page size — set your own width and height. • Image watermarks — stamp your logo or any photo on every page, resize it, and place it once or tile it across the page 🔄 MERGE AND EDIT PDF PAGES Manage existing PDF files without leaving Cobalt PDF. • Merge PDFs: Select two or more PDF files and combine them into one document. • Edit Pages: Reorder, delete, or extract pages from a PDF. • Add Pages: Add new pages to an existing PDF using images from your gallery, camera captures, or document scans. • Password-Protected PDFs: Open supported password-protected PDF files and edit their pages after entering the correct password. 📥 IMPORT, OPEN AND SHARE • Import PDF files directly from your device's file storage. • Open PDF files shared from other apps directly in Cobalt PDF. • Share PDF files from Cobalt PDF to other apps. • Open, print, or save a copy of your documents. 📂 ORGANIZE YOUR DOCUMENTS Keep your PDF library organized and easy to navigate. • View documents from a modern PDF dashboard. • Long-press to select multiple documents at once. • Rename documents and add descriptions. • Add tags to organize your files. • Filter your library by tag. • Search across document names, descriptions, and tags. • View file size, page count, and creation date. • Reorder images before creating a PDF. 🔐 PASSWORD PROTECTION AND PRIVACY Protect PDF documents with a password. Password-protected files require the correct password to open. Your documents are processed locally on your device. Cobalt PDF does not upload your documents to our servers for scanning, editing, or PDF creation. 📱 NO ACCOUNT REQUIRED No account. No sign-up. Manage, create, edit, and share your documents directly from your Android device. • Dark mode — choose System, Light, or Dark in the About tab. • New "How to use" guide in the About tab walks you through every feature • Refreshed colors and a smoother look throughout the app • Fixed status bar icons on the Crop screen • New "More tools" tab — your full PDF toolkit in one place • Split PDFs — one per page, every N pages, or custom ranges • Rotate pages — turn one page or all of them • Protect PDFs with a password, or remove one you know • Pick PDFs from your library or straight from your device files • About & settings now opens from the Home screen • Better layouts on tablets and large screens Use Cobalt PDF to scan documents, create PDFs from images, merge PDF files, edit PDF pages, organize documents, and share your files — all from one app.