Overdue Date Highlighter von Bob Jurencak

Overdue Date Highlighter automatically scans web pages for overdue dates and highlights them visually. Designed for project managers, developers, and anyone who needs to stay on top of deadlines.

Highlighting
- Multiple highlight styles — colored background, underline, bold, or badge
- Days badge showing how many days overdue or until due
- Color intensity scales with how overdue the date is
- Colorblind-friendly mode with blue/orange/purple palette

Sprint support
- Highlight dates approaching a sprint deadline in orange
- Auto-rolling sprints — set a start date and duration once, the end date advances automatically

Jira integration
- Overdue rows get a subtle red background, upcoming rows get green
- Automatically skips done/closed issues
- Custom due-date field support for non-standard Jira setups
- Ignore fields to exclude columns like Created or Updated

Overview panel
- Floating summary panel with overdue and due-soon counts
- Draggable, remembers its position across page reloads

More features
- Custom date pattern builder with regex and live preview
- Per-domain enable/disable with wildcard support
- Grace period to delay highlighting by N days
- Reference date to simulate a different "today"
- Future dates highlighting with configurable limit
- SPA support — works with Jira and other single-page apps
- Export/import settings as JSON backup
- Light, dark, and auto theme
- UI in English and Czech with manual language switcher
- Contextual help for every setting — click ? for details and examples