Show HN: DevUtils.app – Developer Utilities for macOS
The JSON formatter/validator alone would make this worth the money to me.  A YAML formatter/validator could also be very useful.  But they do have to be rock-solid and able to handle large inputs (think gigabyte scale files), otherwise they’re just toys like all the other local apps I’ve found in this space.<p>The other features are not currently as useful, but I’m happy to support them as well.<p>I hate to say it, but doing this on the App Store with IAP to cover the upgrade from the demo version to the full version would be a viable way to distribute your app and handle the back-end payments.