#!/usr/bin/env bash

from=./images
into=./fixed
quality=60 # percent

find $from -type f -name "*.jpg" | while IFS= read -r jpg; do
  mkdir -p "$(
    dirname "$into"/"$jpg"
  )"
  ffmpeg -loglevel quiet -i "$jpg" -q:v $quality "$into"/"$jpg" < /dev/null
done