Analysis of information sources in references of the Wikipedia article "High Efficiency Image File Format" in English language version.
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If there's one major downside to both HEVC and HEIF, it's that they're covered by patents that may need to be licensed for use in various apps and services.
It is hard for browsers to support HEIC because it is complex and expensive to license. AVIF and JPEG XL provide free licenses and are designed to supersede HEIC.Updated as required; only Safari shown in green as of November 2025.
GRID_WIDTH = 512; GRID_HEIGHT = 512
HEIF and HEVC are extensively covered by patents, which means there could be legal implications to implementing HEIF support, particularly in paid software or a hardware product.
SharpP工具从17年3月开始，已采用AVS2作为新的内核；17年5月正式对外推出基于AVS2的图片格式，联合北大、AVS组织一起完善相关规范，并命名为TPG（Tiny Portable Graphics）[Since March 2017, SharpP uses AVS2 as its new core. In May 2017, [we] made the new AVS2-based format public, completing the standard with Peking University and AVS the organization, and named it TPG (Tiny Portable Graphics)]
If there's one major downside to both HEVC and HEIF, it's that they're covered by patents that may need to be licensed for use in various apps and services.
HEIF and HEVC are extensively covered by patents, which means there could be legal implications to implementing HEIF support, particularly in paid software or a hardware product.
