Yes, John, on internet a lot of plugins and tools available such as https://www.irfanview.com/ and there is a convenient online tool for JPEG compression such as https://jpegcompressor.com/ to compress your images. It simplifies the process allowing you to find the best compression match for your original image without the need for complex plugin.

Check your project settings in Final Cut Pro X match the source frame rate 23.98 fps. In Compressor use H.264 codec and check interlaced under frame controls.

Yes it’s great, it offers modern features and optimizations. Many users have successfully transitioned from Episode to Compressor and are satisfied with the results.

DW offers advanced features like extensive layer support, unlike FP. DW provides a more sophisticated coding environment, while FP may be simpler for beginners due to its user-friendly interface. Consider your complexity needs before choosing and also, I think you should use visual studio.

Adjust document setup to double the page count, use the Page Tool to convert spreads into rectangles, then cut and paste the rectangles onto subsequent pages.