I am looking for an alternative to Windows Photo Viewer that is able to view png, jpg, and gif. Windows Photo Viewer only supports static gif.

**Must haves:**

 - Lightweight; Loads fast. Avoids fancy transitions
 - Support: `.png`, `.jpg` or `.jpeg`, and `.gif` (animated)
 - `Next` and `Previous` controls to scrub through directory
 - `Actual Size`, `Fit to Window` and zoom controls
 - Nice GUI comparable to Windows Photo Viewer (no Windows 95 style)

**Nice to haves:**

 - View/Edit Meta/Exif Data (Tags, title, comments, date taken). ([possible solutions for Linux](http://softwarerecs.stackexchange.com/questions/962/edit-and-search-browse-image-metadata))
 - Slideshow with variable switching time
 - Take over thumbnail creation in the File Explorer (to make it faster...)
 - Manual thumbnail creation for a directory with a bulk amount of images
 - Pause and Frame-by-Frame Gif navigation controls

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Here is just a reference image of Windows Photo Viewer:
![Windows Photo Viewer gui][1]


  [1]: https://i.sstatic.net/5HkdK.png