List of Free  Photo Viewers for Windows

ImageGlass

★ Features- 6 zoom modes, Slideshow, Lock Zoom ratio, Supports PNG, GIF, SVG*, WEBP*, Color Picker tool, extract image frames.

(imageglass.org)

Pictureflect

★ Features- Transition effects, Image filters, View/edit metadata, Crop, resize and convert images, zoom options, digital photo frame.

(pictureflect.com)

123 Photo Viewer

★ Features- Share images, filters including blur, color change, negative film, soft light, Lightweight, User-friendly.

(filehorse.com/download-123-photo-viewer)

FastStone Image Viewer

★ Features- Image zoom support, image magnifier, Editing tools, color effects, Special effects, Undo/Redo capability, Image management.

(faststone.org)

IrfanView

★ Features- 32 and 64 bit version, Effects, Paint option, Thumbnail/preview option, Slideshow, Email option, Cut/crop, Screen Capturing, Many PlugIns.

(irfanview.com)

IrfanView

★ Features- Supports all image formats,  adjusting, image resizer, cropping, screen capture, metadata editing, resize, watermark, add text, enhance, filter.

(xnview.com)

DigiKam

★ Features- Large Collections, Process raw files, edit JPEGs, publish photos to social media, View and edit metadata, Free and Open Source.

(digikam.org)