Wait until you find out copying content on a computer might sent it over Wi-Fi/Bluetooth for sharing on other devices.

https://easyanalytica.com/tools/html-playground/

- everything is local until you deploy

- with first-class support for

  - connect your AI to playground

    - version-controlled deployments

    - full playground control

    - output viewport size, zoom, color scheme control

    - output eval for rapid development

    - output live capture and image-cropped element/region pins

    - output live stream picture-in-picture to watch your agents work

  - state preserving 2-way IO sync

  - multi-level open shadow root IO sync

  - service/edge workers in the playground (develop full-stack apps in one place)

    - example: https://post.rt.ht

    - example: https://kv.rt.ht/fs

    - examples: https://new.rt.ht

Too many features to list them all here!

I don't even code in https://RTCode.io myself, I connect Codex/Claude and let them build me full-stack apps live and deploy their work with commit messages!

For more info: https://elefunc.com/#code