Lightning web components are new wave in salesforce after aura components its follows industry standard development but draw back for now is that is cannot be edited in developer console and asid.io is yet to support it using the package from this git repo https://github.com/sonicfurqan/LWC-Viewer you can easily start editing the LWC components in salesforce environment After installing component don't forget to add domain URL to remote site setting Post By, 𝒮𝓎𝑒𝒹 𝐹𝓊𝓇𝓆𝒶𝓃 𝒜𝒽𝓂𝑒𝒹 Salesforce evangelist : Git