Code you paste or open
Everything you paste, type, drop or open is processed by JavaScript running in your browser tab. It is not uploaded, logged or stored on any server. Opened files are read locally; downloads are created in the browser. Closing or reloading the tab discards it.
What is downloaded
Pages, styles, fonts and the formatter libraries come from this site. A formatter is fetched the first time you use its language; that request asks for a file and carries none of your code.
Analytics
The site uses Cloudflare Web Analytics, which counts page views without cookies or cross-site tracking. It never receives what you type, paste or drop into the tools. There are no other analytics, ads or trackers.
Cookies and storage
The site sets no cookies. Your theme choice and formatter options (print width, quotes, dialect and so on) are saved in your browser's local storage so they are there next time; they never leave your device, and clearing site data removes them.
Network access
The site's Content-Security-Policy allows connections only to this site and to Cloudflare's analytics endpoint, so the pages could not send your code elsewhere even by mistake.
Links to other sites
Links to sister sites, WebTraceCheck and CleanTempMail are ordinary links. Nothing is shared with them unless you follow a link, and then their own privacy terms apply.