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.
A no-nonsense hardware-accelerated image viewer. Oculante's vision is to be a fast, unobtrusive, portable image viewer with wide image format support, offering image analysis and basic editing tools.
Xviewer is a simple image viewer which uses the gdk-pixbuf library. It can deal with large images, and zoom and scroll with constant memory usage. Its goals are simplicity and standards compliance. Xviewer is installed by default in Linux Mint.
Ireland
EU
Pixyway is a fresh new picture viewer for Windows. It has been designed to be an 'everyday' picture viewer tool like Google Picasa viewer used to be! By the way, if you liked Picasa viewer, you will notice some references to it.
OCRFeeder is a document layout analysis and optical character recognition system.
PortugalEU
Discover Feather PDF, the ultimate PDF editor that prioritizes your privacy. Enjoy powerful editing features without data collection and gain lifetime access with a one-time payment.
A privacy-first, client-side PDF editor that runs in your browser. Edit, annotate, merge/split, compress to target sizes, OCR scanned PDFs, and convert files—no signup, no watermark.
Pakistan
Waterfall-style image viewer for macOS, offering a smooth and immersive browsing experience.
Geeqie is a free open software image viewer and organiser program for Linux, FreeBSD and other Unix-like operating systems.
CzechiaEU
Blazing fast PDF and portable eReader built on muPDF. Including the ability to save "highlights" and notes like on Kindle.
United States
