How to Execute Javascript on Any Page Easily
Patrick Bushe · May 1, 2026
Three options, from simplest: save code in DevTools under Sources > Snippets and run it with Ctrl+Enter; make a bookmarklet, a bookmark whose address starts with javascript:, and click it on any page; or use a userscript manager such as Violentmonkey (open source) or Tampermonkey to run scripts automatically on chosen sites. Only run code you understand. AutoBrowser can't run scripts.
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