Enhanced Image Viewer Alternatives

Image Viewer Ultimate is a great application to view/run slideshows of your images/photos and it is also having batch resize and batch watermark features. Fit to actual size, zoom in, zoom out, full-screen mode, and play images as a slide show on Windows. Set slideshow time, setting available through application preferences. Supports retina display. Can export images as JPEG, PNG, TIFF, JIF, BMP. Batch conversion to the desired format as JPEG, PNG, TIFF, JIF, or BMP. Batch watermark to desired images. Save images in the desired size.

Private Photo Vault allows you to import photos into the app and hide them behind a password folder. Each and every photo you hide with PhotoVault is automatically AES-256 encrypted upon hiding. WidsMob PhotoVault keeps your photos/images locked up and protected with password protection. You can hide your pictures safely and easily in PhotoVault with password protection. Put your secret photos into the PhotoVault and hide them there without anyone knowing. You can easily view all your secret pictures on PhotoVault easily without any limitation. You can use PhotoVault to view secret pictures smoothly like a professional photo viewer. Full-screen viewing mode of PhotoVault makes you have a better viewing experience. You can view private photos in slideshow mode by setting the play duration and more. Simple edit functions to let you easily zoom or rotate your private photos without extra tools.

True full-screen viewer with photo zoom support. Customizable image magnifier. Powerful image editing tools. Resize/resample, rotate/flip, crop, sharpen/blur, adjust lighting/colors/curves/levels, etc. Eleven re-sampling algorithms to choose from when resizing images. Image color effects, grayscale, sepia, negative, red/green/blue adjustment Image special effects. Annotation, drop shadow, framing, bump map, sketch, oil painting, lens. Draw texts, lines, highlights, rectangles, ovals, and callout objects on images. Clone stamp and healing brush. Superior red-eye effect removal/reduction with a completely natural-looking end result. Multi-level undo/redo capability. One-touch best fit/actual size image display support. Image management, including tagging capability, with drag-and-drop and copy-to/move-to folder support. Histogram display with a color counter feature. Compare images side-by-side (up to 4 at a time) to easily cull those forgettable shots. Image EXIF metadata support.

This is a offline image gallery application. You can upload your images into the application, with your own sorting order (alphabetical order), and directories structure. You can transfer your photos via iTunes, or just import the photo from your device. There are some simple functions that help you to manage your photos in the app. On top of those, you can view the images in full-screen mode or slide-show mode.

Sequential is an image viewer for Mac OS X. It was originally designed for opening a folder of images and displaying them in order. It works well for viewing comics and manga. Sequential can display folders and archives (ZIP, RAR, CBZ, and CBR) of images (including JPEG, PNG, and GIF) and PDF files. It is able to load images on the internet from a page or image URL. Sequential has mature full-screen support and can display images' Exif data. All of Sequential's source is available through Git. Once your code is working and well-tested, you should be able to create patches.

Eye of GNOME is an image viewer. With it you can view images of almost any type. You can manage large collections of images and can display a slideshow. You can also make basic changes to photos like rotating or flipping them, or converting them to a different file format. The images should automatically open in the Image Viewer when you double-click an image file in the file browser. If this is not the case, you should make Image Viewer the default application for viewing images. You can zoom in and out to show more or less of an image on the screen. It is useful if you want to see a large image completely or if you want to inspect the details of an image. The Image Viewer tries to guess the file format to save the image in based on the file extension you choose. If you don't recognize the file extension you type, or if you don't know which one to use, click Supported Image Files in the Save Image window. This will allow you to choose a file type from the drop down box.

PhoXoSee is a blazing fast and lightweight image viewer, Highly optimized at only 3.8MB in size, it brings you ultra-fast loading speeds and minimal memory usage. It features powerful real-time image processing that enhances your viewing experience. PhoXoSee also includes several handy tools, such as searching photos by capture date, displaying the GPS location where the photo was taken, and batch conversion from SVG to PNG format. The configurable UI supports color themes, full-screen, and borderless image viewing, and it comes with built-in support for 12 languages. Additionally, PhoXoSee is free for both personal and commercial use.

Picview is an image viewer for macOS with a nice minimal modern user interface. Picview works great with JPEG, HEIC, PSD, RAW, WEBP, PNG, GIF, and many other formats. Provides basic image processing, including flip and rotate, EXIF, and other information. Supports keyboard shortcuts and trackpad gestures. The most important, Picview like Windows' default picture viewer — Photos, where zoom in and out with the mouse wheel and switch between images with arrow keys and/or with on-screen buttons.

FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor. It has a nice array of features that include image viewing, management, comparison, red-eye removal, emailing, resizing, cropping, retouching and color adjustments. Its innovative but intuitive full-screen mode provides quick access to EXIF information, thumbnail browser and major functionalities via hidden toolbars that pop up when your mouse touches one of the four edges of the screen. Other features include a high quality magnifier and a musical slideshow with 150+ transitional effects, as well as lossless JPEG transitions, drop shadow effects, image annotation, scanner support, histogram and much more. It supports all major graphic formats (BMP, JPEG, JPEG 2000, animated GIF, PNG, PCX, PSD, EPS, TIFF, WMF, ICO, CUR and TGA) and popular digital camera RAW formats (CR2, CR3, CRW, NEF, NRW, PEF, RAF, RWL, MRW, ORF, SRW, X3F, ARW, SR2, SRF, RW2 and DNG).