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![](https://aussie.zone/api/v3/image_proxy?url=https%3A%2F%2Flemmy.ml%2Fpictrs%2Fimage%2Fq98XK4sKtw.png)
Any photo editor will do. Just load it in and export as JPEG or smaller resolution.
On f-droid:
Pocket Paint is crashy for me, but it gets the job done.
Imagepipe has a bit clunky interface but just to load and export it works fine. Its primary advertised purpose is to remove metadata from photos, so not a bad thing to have on hand anyway.
Not much of a “meme”