Convert HEIC / HEIF to JPG
For permanent links you can use: https://ezgif.com/heic-to-jpg?url=https://example.com/source-image.gif
Converted JPG image:
Online HEIF / HEIC (High Efficiency Image File Format) image to JPG (JPEG) converter
All you need to do is upload your heic file and click "Convert to JPG".
You can adjust the output JPG file size/quality with a slider and choose a background color if the HEIC file has transparent areas (JPG does not support transparency).
Then you can download or further edit the produced JPG.