# Fn key

> modifier key on many keyboards

**Wikidata**: [Q1434969](https://www.wikidata.org/wiki/Q1434969)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fn_key)  
**Source**: https://4ort.xyz/entity/fn-key

## Summary
The Fn key is a modifier key on many computer keyboards that changes the function of other keys, typically enabling secondary functions for keys like F1-F12. It is a subclass of modifier keys and is distinct from function keys, which perform dedicated actions without modification.

## Key Facts
- A modifier key that alters the behavior of other keys on a keyboard
- Subclass of modifier key, distinct from function key
- Commonly found on laptops and some desktop keyboards
- Enables secondary functions for keys like F1-F12
- Aliases include "Touche fn" (French)
- Has a sitelink count of 13 on Wikipedia
- Available in multiple Wikipedia language editions (ar, de, en, etc.)
- Associated with the Wikidata description: "modifier key on many keyboards"
- Freebase ID: /m/097s34 (from Q15241312, 2013-10-28)

## FAQs
### Q: What does the Fn key do?
A: The Fn key acts as a modifier, changing the function of other keys—typically enabling secondary functions for keys like F1-F12, such as brightness control or media playback.

### Q: Is the Fn key the same as a function key?
A: No, the Fn key is a modifier that alters the behavior of other keys, while function keys (F1-F12) perform dedicated actions without modification.

### Q: Where can I find the Fn key?
A: The Fn key is commonly found on laptops and some desktop keyboards, though its placement and functionality may vary by manufacturer.

### Q: What languages support Wikipedia articles about the Fn key?
A: Wikipedia articles on the Fn key are available in Arabic, German, English, Persian, French, Hebrew, Japanese, Korean, and Dutch.

### Q: What is the Wikidata description of the Fn key?
A: The Wikidata description for the Fn key is: "modifier key on many keyboards."

## Why It Matters
The Fn key plays a crucial role in keyboard design by providing users with additional functionality beyond standard key presses. By acting as a modifier, it allows keys like F1-F12 to perform secondary actions, such as adjusting screen brightness or controlling media playback. This design choice enhances usability, especially on laptops where space is limited. The Fn key’s implementation varies across manufacturers, reflecting its adaptability to different hardware configurations. Its presence underscores the evolving nature of keyboard design, where modifiers like Fn enable more efficient and intuitive user interactions.

## Notable For
- Serving as a modifier to enable secondary functions for keys like F1-F12
- Being distinct from function keys, which perform dedicated actions without modification
- Having a sitelink count of 13 on Wikipedia, indicating its relevance across multiple language editions
- Being associated with a Freebase ID (/m/097s34) from 2013, reflecting its historical significance in structured data
- Being part of a broader classification of modifier keys, which alter the behavior of other keys

## Body
### Classification and Function
The Fn key is classified as a modifier key, meaning it changes the semantics of other keys when pressed. Unlike function keys (F1-F12), which perform dedicated actions, the Fn key enables secondary functions for these keys. For example, pressing Fn + F5 might adjust screen brightness instead of opening a help menu.

### Common Uses
The Fn key is commonly used to:
- Control media playback (play, pause, volume)
- Adjust screen brightness
- Toggle wireless connectivity
- Access additional functions on laptop keyboards

### Wikipedia Presence
The Fn key has Wikipedia articles in multiple languages, including Arabic, German, English, Persian, French, Hebrew, Japanese, Korean, and Dutch. It is also linked to a Commons category and has a sitelink count of 13, indicating its broad recognition across language editions.

### Wikidata and Structured Data
The Fn key is represented in Wikidata with a description: "modifier key on many keyboards." It is also associated with a Freebase ID (/m/097s34), which was referenced in 2013, highlighting its inclusion in early structured data initiatives.

### Image Representation
An image of the Fn key in use (Ctrl + Shift + Fn) is available on Wikimedia Commons, providing a visual reference for its functionality.

### Distinction from Function Keys
The key distinction between the Fn key and function keys is that the Fn key modifies the behavior of other keys, while function keys perform standalone actions. This difference is crucial for understanding how keyboard shortcuts and secondary functions are implemented.

## References

1. Freebase Data Dumps. 2013