FastStone Image Viewer vs Twilight

FastStone Image Viewer

Description: FastStone Image Viewer is a free, lightweight image viewing and organizing program. It has an intuitive interface and supports a wide range of image formats like JPEG, GIF, PNG, BMP as well as raw formats from major DSLRs. Useful features include batch editing tools, screen capture, color schemes, and the ability to view images in full screen slideshows.

Type: software

Twilight

Description: Twilight is a free open source software that adjusts your screen to reduce eye strain. It makes the color of your screen adapt to the time of day, reducing the amount of blue light emitted. This helps prevent disruption of your circadian rhythms and improves sleep.

Type: software

Pricing: Open Source

FastStone Image Viewer Features

• Supports all major image formats (JPEG, TIFF, PNG, GIF, BMP, PCX, TGA, WMF, ICO, etc)
• Powerful image viewing features (zooming, panning, rotating, scrolling, drag-and-drop, etc)
• Many image processing tools (resize, crop, color adjustments, add text/watermark, etc)
• Batch conversion tools for converting images between formats, resizing, renaming, etc
• Screen capture tool
• Slideshow function
• Basic image editing (brightness, contrast, saturation, etc)
• Support for RAW files
• Thumbnail preview pane
• EXIF and IPTC metadata viewer

Twilight Features

• Adjusts screen color temperature
• Reduces blue light emission
• Adapts to time of day
• Can be scheduled
• Open source

FastStone Image Viewer

• Not listed

Twilight

• Open Source