Image: Wikimedia Commons

libjpeg

C programming language library for JPEG images, from IJG

Softwarefree software software library de facto standardQ131741

Also known as libjpeg9 · libjpeg6b · libjpeg62 · IJG libjpeg · libjpeg-progs · cjpeg

Developer: Tom Lane
1
Sources
1.jpegclub.org/reference/new-version-of-libjpeg-ver-9d-of-independent-jpeg-group-available-now/Retrieved 2025-01-18
View statement on Wikidata ↗
, Independent JPEG Group
Founded: October 7, 1991
1
Sources
1.ijg.org/Retrieved 2017-02-06
View statement on Wikidata ↗
Latest version: 10
1
Sources
1.“Independent JPEG Group”ijg.org/Retrieved 2026-01-25
View statement on Wikidata ↗
, 9b
1
Sources
1.“Independent JPEG Group”ijg.org/Retrieved 2015-03-05
View statement on Wikidata ↗
, 9a
1
Sources
1.infai.org/jpeg/Retrieved 2017-02-06
View statement on Wikidata ↗
+10 more
Written in: C
1
Sources
1.Stated in Open Hub“The libjpeg Open Source Project on Open Hub: Languages Page”openhub.net/p/libjpeg/analyses/latest/languages_summaryRetrieved 2018-09-26
View statement on Wikidata ↗
License: Independent JPEG Group License
Operating system: cross-platform
Website: ijg.org

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

libjpeg is a free library with functions for handling the JPEG image data format. It implements a JPEG codec alongside various utilities for handling JPEG data. It is written in C and distributed as free software together with its source code under the terms of a custom permissive (BSD-like) free software license, which demands attribution. The original variant is maintained and published by the Independent JPEG Group (IJG). Meanwhile, there are several forks with additional features.

Overview

All data

44 statements · 34% with external sources · numbers in brackets are citations

Derivative work: libjpeg-turbo
Implementation of: JPEG File Interchange Format
Readable file format: JPEG File Interchange Format, version 1.02
Writable file format: JPEG File Interchange Format, version 1.02
Copyright status: copyrighted
Members / parts: jpegtran

On other databases

12 identifiers linking libjpeg across the web's reference databases

Data quality

statements

34%

externally sourced

Source last edited October 6, 2026. AIDB refreshes this page daily.

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AIDB. (2026). libjpeg (Q131741). Retrieved from https://aidb.si/e/libjpeg-Q131741