Updated: 28 September 2026 · Applies to: cPanel & WHM 138 (Jupiter theme)
File Manager has a built-in editor for HTML, PHP, CSS and other text files.
Steps
- Log in to cPanel (for example at
https://yourdomain.com:2083, or from the Ucartz client area). - Open Files › File Manager and go to the file.
- Right-click the file and choose Edit (or select it and click Edit in the toolbar).
- If a character encoding dialog appears, keep utf-8 and click Edit.
- Make your changes in the editor and click Save Changes.
Tip: Before editing an important file, right-click it and choose Copy to keep a backup copy, for example index.php.bak.