ToyViewer is an image viewer, which provides various editing functions, displays many kinds of image formats, and can save in some formats.

1. Image Formats
jpg, pdf, png, HEIC, gif, tiff, bmp, JPEG 2000(jp2, jpc, j2k), eps, svg, jbig(bie), pcx, pcd, pnm(ppm, pbm, pgm), xbm, mag, SUN Rasterfile, wbmp, TIFF Stacks Others: Adobe Photoshop (PSD), Adobe Illustrator (ai, as pdf).

2. Save as Formats
jpg, pdf, png, HEIC, gif, tiff, bmp, JPEG 2000(jp2, jpc, j2k), jbig(bie), pnm, xbm, or wbmp.
Vector images such as PDF can be converted into bitmap images such as jpg or png.

3. Scan Folder
You can display each image file in a folder one by one in full-screen. You can also mark several of them to move or delete later. With this feature, ToyViewer can be used as a Comic viewer.

4. Scan Archives
You can also display each image file included in a ZIP archive or a RAR archive one by one in full-screen. Besides, you can extract marked images from the archive.

5. Full-Screen Mode
ToyViewer can display images on full-screen.

6. Image Operations
You can rotate, flip, or clip images. You can also enlarge or shrink images.

7. Color Operations
ToyViewer has the ability to adjust the brightness, contrast, color tone of images. You can replace a specified color with another color or transparent color. You can also make images with palettes, monochrome images.

8. Effects
ToyViewer has some typical operations for images, such as enhancement, blur, mosaic, etc. ToyViewer can also make Aqua-button-like images, make poster-like images, and provides more functions.

9. Custom Icon
ToyViewer can attach a custom icon to any file as well as a newly saved image file.

10. Animation
ToyViewer provides a simple animation player for animated GIFs and TIFF Stacks. Besides, each frame of them and each page of PDF can be seen as a single image.

11. Embedded Information
Color profiles embedded in image files can be replaced. Exif and GPS information is also displayed. You can save image files with/without Exif and GPS information.

12. Print
ToyViewer can print images. ToyViewer automatically shrinks an image to be printed on a sheet or divides it into some pages.