Handy Viewer
Handy Viewer provides an all-in-one solution for photo viewing and editing.
Handy Viewer boasts a user-friendly interface that offers an effortless experience right from the start. All required plug-ins and codecs are included, eliminating the need for cumbersome downloads. Navigating through folders and finding specific images is a breeze thanks to hotkey support and three different viewing modes you can choose from.
One standout feature of Handy Viewer is its extensive format compatibility. Whether it's JPEG, TIFF, PNG, or even the latest HEIC image format, Handy Viewer will open and display nearly any image file format. Moreover, Handy Viewer shines when it comes to video playback as well. In total, more than 150 formats are supported.
Photo editing and ability to apply effects is another important feature of this program. Handy Viewer allows you to resize, crop and rotate your images. The brightness, contrast, saturation, gamma can be configured as well.
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Image Viewer Ultimate
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.
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Pixea
Pixea is an image viewer for macOS with a nice minimal modern user interface. Pixea works great with JPEG, HEIC, PSD, RAW, WEBP, PNG, GIF, and many other formats. Provides basic image processing, including flip and rotate, showing a color histogram, EXIF, and other information. Supports keyboard shortcuts and trackpad gestures. Shows images inside archives, without extracting them. Supports JPEG, HEIC, GIF, PNG, TIFF, Photoshop (PSD), BMP, fax images, macOS and Windows icons, radiance images, and Google's WebP. RAW formats Leica DNG and RAW, Sony ARW, Olympus ORF, Minolta MRW, Nikon NEF, Fuji RAF, Canon CR2 and CRW, Hasselblad 3FR. Sketch files (preview only) and ZIP archives. Export JPEG, JPEG-2000, PNG, TIFF, and BMP. Pixea supports animated GIF, PNG, and WebP images.
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Fotoxx
Fotoxx is a free open source Linux program for image editing and collection management. The goal is to meet the needs of serious photographers while remaining fast and easy to use. Navigate a large image collection using a thumbnail browser, click on an image to view or edit. A rich set of edit and retouch functions is available. Import RAW files and edit with deep color. Save revised images as JPEG, PNG (8/16 bits/color), or TIFF (8/16). Select an object or area within an image (freehand draw, follow edges, flood matching tones), apply edit functions, copy and paste, resize, blend, warp, etc. without using layers. Edit functions have fast feedback using the full image. Edit image metadata (tags, geotags, dates, ratings, captions). Search images using any combination of metadata and file and folder names or partial names. Click a marker on a scalable world map to view all photos from that location.
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