I am a front end developer with nearly less than one year of experience in this field as a freelancer. 
I have converted a lot of ideas which is designed previously to both static and dynamic pages. 
also I have converts a lot of my clients' ideas into a web application. 
technologies used : 
Html, CSS, JavaScript, React.js, node.js, Express.js, SCSS, and more. 
I provide here: 
1) Converting psd, images, PDF, Figma designs into both static and dynamic Html web pages.
2) convert your idea into a real web application (using vanilla JavaScript or React.js as you need). just imagine it and I will make it :) { ideas like : make a web application which make a financial statements, make a web application which draw a graph, make a web application which just render some information about you company and so on.}
3) replace the old design with new one. either provided as an html file or as a design.