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*Batch* JPEG to HEIF converter app

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dcsev:
Here we go!  I predict this will be a very very popular piece of software in the near future.

Goal:
1. Drag as many folders as I have and the program recursively looks for jpg/jpeg files and converts to HEIF.

Requirements:
1. Lightweight
2. Fully 100% Portable (all settings in folder)
3) *MUST* Keep ALL EXIF data of original file
4)  Author Must write "I love donation coder 1000 times on a chalkboard LOL!!)


I could not find a utility that did this IN BULK recursively for Mac or Windows

4wd:
If you're not scared of PowerShell:

https://github.com/DavidAnson/ConvertTo-Heic

Windows only as it uses the Windows API.

Otherwise, XNViewMP can handle HEIC/HEIF, does batch operations, and is available for Mac, Linux, and Windows.

https://www.xnview.com/en/xnviewmp/

Your main problem is that those two options rely on the HEIF Extensions from the Microsoft Store ... and you'll be lucky if you can get the damn things to install.
Here's instructions on getting the extensions installed, Windows 10: How to Open HEIC, HEIF and HEVC Files on Windows 10 For Free

dcsev:
For those of you who have a Mac, Permute is a wonderful application for this.

Nod5:
Worth mentioning some alternatives to HEIF here too

AVIF https://jakearchibald.com/2020/avif-has-landed/
FLIF https://flif.info/
JPEG XL https://news.ycombinator.com/item?id=24075424

It is hard to predict which of these recent image formats will get widespread adoption and work basically everywhere for a very long time - that is become the main replacement for JPEG. For that reason I will wait a year or so before losslessly converting my archives of old JPG photos to one of these formats.

dcsev:
The fact that apple has backed HEIC makes it the standard for me as I take pics exclusively from my phone

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