and how to use them
.jpg file - a file with solid background (usually white). Use online on social media, websites, email, etc.
.png file - a file with transparent background. Great to use as a watermark.
.psd file - Photoshop format file with layers. Use Adobe Photoshop to edit.
.eps file - Vector source file, fully editable. Use Adobe Illustrator to edit. Best for print.