1. Ray.so

Ray.so is an online tool that lets users create a beautiful code snippet image with gradient backgrounds.
You can highlight up to 50+ programming languages.

2. Snappify

Snapify comes with 6 predefined styles to create aesthetically pleasing snapshots of your code without spending hours on styling.

3. CodeKeep

4. Codeimg

CodeImg is a wonderful tool for preparing code snippets to be displayed in images.

5. Carbon

Create and share beautiful images of your source code. Start typing or drop a file into the text area to get started.

6. SRC to PNG

My Blog:- Beginner Developer Blog