A slick looking MP3 encoding app from Marco Arment. The app makes it easy for podcast producers to insert chapter markers into their episodes and includes a few other neat features — autofill, silence warnings, and the ability to quickly copy duration and file size. If you create a podcast, you should probably look into adding this tool to your workflow. Especially if you don’t already include chapter markers in your episodes — they make for a much more enjoyable listening experience.