Apps similar to Preview include SumatraPDF, which is free and open source. Other options are Okular, IrfanView, XnView MP and ImageGlass. You're spoiled for choice with Image Viewers like Preview: we list more than 100 alternatives for Windows, Mac, Linux, Android and iPhone.
QuickViewer is a graphic image viewer for comfortable browsing of many images. This software performs reading of image data in advance. And drawing the imported image data on the screen with OpenGL. You can browse images with much smoother response than ever before.
Japan
Scanner Pro turns your iPhone into portable scanner in your pocket. It lets you scan multipage documents, email them and even upload to Dropbox, MobileMe iDisk or any other WebDAV enabled server.
Ukraine
The app is 100% FREE, with NO ads and NO data collection. Donations are possible to support the project.
Italy
EU
Main point of this app is to scan or select existing PDF documents simply using intent or chooser. Other apps require payment to access their api/sdk or simply don't have a possible way to do it. So they rely on switching between an app ,file chooser and a scanner.
Cloud-based PDF viewer and annotation tool for your browser. Perfect for Chromebook 1:1 schools. View, export, print and share your PDF files straight from your browser. Kami works on all browsers and works best with Google Chrome.
Read, edit, annotate, and sign PDF documents with built-in AI features like summarize and translate, OCR in 50+ languages, fill forms, export to major formats offline, apply watermarks, compress files, secure with passwords, and use text-to-speech on all major platforms.
Taiwan
Besides exceptionally fast launching and displaying speed, Gaaiho Reader is reliable in printing, filling forms annotating documents and adding bookmarks.
Taiwan
NX Studio is a computer software that allows users to enjoy the viewing, processing, and editing of still images and video, and provides more intuitive operation.
Japan
This is a quick look tool for Windows. Acts just like the one in OS X , but Seer is more powerful and faster.
Ashampoo Photo Commander provides robust photo management, editing, and sharing, along with audio and video features. It includes automatic image optimization, batch processing, and tools for red-eye correction, noise reduction, and slideshow creation with transitions and music.
GermanyEU
Get rid of paper clutter with Stack. Stack is a PDF scanner, document organizer, and detail finder. All in one.
United States
Ashampoo PDF Pro 3 is a software solution for managing and editing PDF documents. It offers tools for creating, converting, editing, merging, and securing PDFs. The software allows users to create optimally sized documents for any device and offers encryption to protect...
GermanyEU
New Zealand
