Kryston Schwarze has done an amazing job with Coolicons, a great collection of icons. He has put a lot of effort into maintaining design consistency when creating this icon set, which is suitable for for both websites and mobile applications.
The icons are conveniently categorized, so you can easily find what you’re looking for. In the preview below, you can check out the “Arrows” category. The free version of Coolicons offers more than 440 icons to be used in Figma. You can also get it in SVG and webfont formats directly from the project on GitHub.