GIF | Definition, Meaning, & Facts - Britannica

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External Websites

• Official Site of Giphy
• Computer Hope - GIF
• ABC listen - Future Tense - The GIF as an increasingly important communication tool
• Lifewire - How to Use GIFs on Facebook
• Cambridge Core - Interesting and impressive: exploring design factors for product graphics interchange format to enhance engagement (PDF)

Ask the Chatbot a Question Also known as: graphics interchange format Written and fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated Nov. 26, 2025 •History Table of Contents Table of Contents Ask the Chatbot

GIF, digital file format devised in 1987 by the Internet service provider CompuServe as a means of reducing the size of images and short animations. Because GIF is a lossless data compression format, meaning that no information is lost in the compression, it quickly became a popular format for transmitting and storing graphic files.

In full: graphics interchange format (Show more) Related Topics: data compression raster graphics file (Show more) On the Web: Official Site of Giphy (Nov. 26, 2025) (Show more) See all related content

At the time of its creation, GIF’s support of 256 different colours was considered vast, as many computer monitors had the same limit (in 8-bit systems, or 28 colours). The method used to keep file size to a minimum is a compression algorithm commonly referred to as LZW, named after its inventors, Abraham Lempel and Jacob Ziv of Israel and Terry Welch of the United States. LZW was the source of a controversy started by the American Unisys Corporation in 1994, when it was revealed that they owned a patent for LZW and were belatedly seeking royalties from several users. Although the relevant patents expired by 2004, the controversy resulted in the creation of the portable network graphics (PNG) format, an alternative to GIF that offered a wider array of colours and different compression methods. JPEG (joint photographic experts group), a digital file format that supports millions of different colour options, is often used to transmit better-quality images, such as digital photographs, at the cost of greater size. Despite the competition, GIF remains popular.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Erik Gregersen.