Preview is described as 'Native macOS tool for viewing, annotating, and editing images and PDFs, offers cropping, resizing, markup tools, page rearrangement, and export to multiple formats' and is a very popular PDF Reader in the photos & graphics category. There are more than 100 alternatives to Preview for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Preview alternative is SumatraPDF, which is both free and Open Source. Other great apps like Preview are Okular, IrfanView, XnView MP and ImageGlass.
Fileloupe is a lightweight, incredibly high performance media browser for macOS. You can quickly browse photos, watch videos, read PDFs and preview documents all within the same window. It's like the Finder's Quick Look window, only better.
United States
A next-generation iOS viewer app for self-scanned manga and books with AI-powered organization, cloud storage support, and NAS streaming.
Japan
A high-performance, borderless floating image viewer with built-in OCR and color analysis tools for macOS.
China
Offers image and photo editing tools with support for painting, layers, photo effect filters, custom brushes, and natural media. Allows image import from TWAIN devices, creation of photo albums, animations, slide shows, 3D shapes, web art, and screen savers.
A modern, electron and nodejs based image viewer for Mac, Windows and Linux.
India
This program allows you to convert between PDF and other formats. PDF is free format for reading, but not for creation and exporting. So many people are looking for solution to convert their documents to PDF, or convert PDF to other formats.
PDF Reader - Editor, Scan & TTS by Dev_Software is a mobile solution designed to scan, edit, and listen to your documents in one place.
Türkiye
QIV is a very small and pretty fast gdk/Imlib image viewer. Runs on Linux, Solaris(SunOS), FreeBSD and HP-UX.
Features:
moving & zooming image in fullscreen mode. setting image as x11 background (centered,tiled,stretched..) with user settable background col.
ImageOne is a quick and easy-to-use photo and image management tool which integrates the functions of image file organization management, browsing view and batch conversion, is the all-in-one management center for your photos and image files.
Turn your paper documents into digital files. Auto-detect edges, correct perspective, enhance images, extract text with OCR, and export as PDF or images.
Edit photos using a broad set of effects, templates, watermarks, and ISO editing features; adjust size, zoom, color, shape, brightness, crop, and batch process images; use undo/redo, history, and intuitive controls for precise image enhancements.
Latvia
EU
GLiv is an OpenGL image viewer. Image loading is done via Gdk-pixbuf bundled with GTK+-2.6, rendering with OpenGL, and the graphical user interface uses GTK+ with GtkGLExt.
FranceEU
