Support additional image formats in file preview #4119

Feature Summary

The dataset file preview currently only supports JPEG and PNG image formats. Users cannot preview WebP or GIF images without downloading them. Other common image formats like WebP, GIF, SVG, and TIF are widely used and may be included in datasets.

Current supported formats:

Proposed Solution or Design

Add support for the following image formats (no additional conversion needed), e.g. WebP, GIF.

Note: TIF/TIFF files are often larger than the 10 MB preview limit and typically require extra libraries for in-browser rendering, support for them is not a priority.

Impact / Priority

(P2)Medium – useful enhancement

Affected Area

No response