Convert HEIC to GIF offline by JavaScript

Convert HEIC to GIF offline

Convert local HEIC files to GIF files offline by JavaScript in your web browser without any software downloads or file uploads!

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#	File Name	File Size	Actions

How to convert HEIC to GIF offline

Choose local HEIC image files, choose "GIF" as target image format, then click the "CONVERT OFFLINE" button to start offline conversions in bulk. File size can be up to 2GB.

This offline converter will try to use canvas in web browser to convert images first. The image format depends on whether your current web browser supports. For example: the latest Chrome browser supports AVIF images while some old versions don't. Then the offline converter will try to use JavaScript to convert images if your current web browser doesn't support the image format.

Name	HEIC	GIF
Full name	High Efficiency Image File Format	CompuServe Graphics Interchange Format
File extension	.heic	.gif
MIME	image/heic	image/gif
Developed by	Moving Picture Experts Group (MPEG)	CompuServe
Type of format	Image Container Format	Lossless bitmap image format
Introduction	As HEIC is a container format, it can contain still images and image sequences (where a file contains more than one single image) that are coded in different formats. Currently, these include HEVC and H.264/MPEG-4 AVC (and JPEG for thumbnail/secondary images), though other coding formats may be added in the future. The main filename extension is .heic (for HEVC codec).	The Graphics Interchange Format (better known by its acronym GIF) is a bitmap image format that was introduced by CompuServe in 1987 and has since come into widespread usage on the World Wide Web due to its wide support and portability.