---
title: QLThumbnail
framework: quicklook
role: symbol
role_heading: Class
path: quicklook/qlthumbnail
---

# QLThumbnail

An opaque reference that represents a thumbnail object.

## Declaration

```swift
class QLThumbnail
```

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)

## See Also

### Opaque types

- [QLThumbnailRequest](quicklook/qlthumbnailrequest.md)
- [QLPreviewRequest](quicklook/qlpreviewrequest.md)