# JPEG: what it is and how it works · Zorraquino
> JPEG is a common format for photographic images that reduces file size through compression.
URL: https://www.zorraquino.com/en/dictionary/internet/jpeg.html

# JPEG

JPEG is a common format for photographic images that reduces file size through compression. In its most common use, it employs lossy compression, which discards some information

What it means, how it is used and where it comes up, with its related concepts.

[The whole glossary](https://www.zorraquino.com/en/dictionary)

## What it is and how it works

Recompressing with a lossy method can introduce degradation, but not every copy or save necessarily causes further loss. The result depends on the operation and settings. For editing, it is advisable to retain a high-quality original and generate distribution versions from it.

Also known as

JPG

Topics

[Technology and data](https://www.zorraquino.com/en/dictionary/category/tecnologia-y-datos)

## Related concepts

- [Pixel](https://www.zorraquino.com/en/dictionary/internet/pixel.html)
- [Web performance optimisation](https://www.zorraquino.com/en/dictionary/internet/web-performance-optimization-wpo.html)
- [PDF](https://www.zorraquino.com/en/dictionary/internet/pdf.html)