Merging Jpg files came out PDF in error

Merging 2 jpg files I selected output jpg and hit merge. I got pdf instead of jpg. Tried twice and same problem. Just signed up for free to try it out and having problem already.

Anyone having this problem?
How to fix?

@juliegoldman9,

Which Aspose API, tool or app you are using? Could you please zip and attach your JPGs and sample code snippet (if any) to reproduce the issue on our end, we will check it soon.