Inject Javascript -- Synced & Open Source

Inject javascript in web pages, synced across your devices

This extension allows you to add custom js to any web page. Due to the critical risk of this kind of extension, I made this extension open source, and very small so that is it easy to check that it does not do anything bad. https://github.com/Bramas/Synced-Injected-Scripts Everything you type is automatically saved and synced. You can use call the function `injectLibs([lib1url, lib2url, ...], calllback)` to inject libraries before your script