SUMMARY *** It's not possible to define service menu action for html files. *** STEPS TO REPRODUCE 1. Create file: ~/.local/share/kservices5/ServiceMenus/document-conversion-actions-ODT_servicemenu.desktop 2. Add line: MimeType=text/html; 3. Add command to be executed: for filename in "${@}"; do libreoffice --headless --convert-to odt "$filename" && rm "$filename"; done OBSERVED RESULT Dolphin context menu does not show this action when an HTML file is selected but it is shown when another mime-type such as text/plain is used. EXPECTED RESULT Dolphin should display a service menu action for mime-type html when an html file is selected. SOFTWARE/OS VERSIONS Operating System: KDE neon 5.24 KDE Plasma Version: 5.24.2 KDE Frameworks Version: 5.91.0 Qt Version: 5.15.3