Design Term

What is File Size?

The amount of storage space a thumbnail image uses.

Quick definitionUpdated dailyPart of the ThumbnailCreator glossary

Quick definition

The amount of storage space a thumbnail image uses.

Definition

File size refers to how much digital storage space your thumbnail image requires. YouTube allows thumbnail uploads up to 2MB. Larger files take longer to upload and may affect page load times. Optimize your thumbnails by using appropriate compression while maintaining visual quality.

Examples

1A PNG thumbnail at 1.5MB
2A compressed JPEG at 200KB
3Maximum allowed: 2MB

Related Terms

Resolution

The number of pixels in an image, measured as width x height.

File Format

The type of image file used for a thumbnail (JPG, PNG, etc.).

Thumbnail

A small preview image that represents a video on YouTube.

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