PrismKit網頁碼錶與計時器碼錶與計時器在瀏覽器中執行本機複製連結Markdown具備分圈功能的碼錶、結束時會發出提示音的倒數計時器，以及可自訂的番茄鐘，在背景分頁中也能準確計時。螢幕測試Hunt for dead or stuck pixels with fullscreen solid colours, a gradient and a checkerboard, and see your screen's resolution, pixel ratio and refresh rate.Markdown 轉 HTMLConvert GitHub-flavoured Markdown to HTML and preview the result in a sandboxed frame.