XnView

AceView is a fast and user-friendly image viewer software that also supports PDF reading, editing, and conversion. 1.Supports a variety of image formats with ultra-fast speed In addition to standard formats, it also supports nearly a hundred image formats such as RAW, HEIC, PSD, AVIF, etc. 2.Powerful image adjustment capabilities Comprehensive image management features, including resizing, renaming, and format conversion. It supports editing while browsing images to meet various usage needs. 3.Supports PDF reading and editing You can quickly view PDF and make annotations on PDF documents. It supports PDF editing, allowing you to easily add or remove text and images, edit text fonts, colors, and sizes, and also supports adding, deleting, rotating, replacing, and extracting images within PDF documents. 4.Supports PDF conversion Supports converting PDF to Word, PDF to Excel, PDF to PPT, and PDF to images, and also supports converting Word, Excel, PPT, and images to PDF.

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.