Free Online Schedule Calendar Manager

A free online schedule calendar for personal planning, team task assignment, and project tracking. Monthly view, 7 color-coded tags, pure local storage.

A local-first online schedule manager. View, add, and edit calendar events by month with tag categorization and filtering. All data stored in your browser--no signup needed.

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Inspired by bosens-china/calendar

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A free, local-first online schedule management calendar. View, add, and edit events by month with seven built-in tags (Work, Study, Sport, Fitness, Meeting, Personal, Travel). All data is stored in your browser’s local storage—no signup required. Includes Fullscreen, Favorite, and Share buttons.

Features

Monthly Calendar : Month-by-month navigation, grid view with colored event indicators
Tags/Labels : 7 distinct colored tags, one-click filtering
Event Management : Add/Edit/Delete events with title, time, and tag
Pure Local : All data in localStorage, zero network transfer
Today / Navigation : Quick jump to current day, prev/next month
Fullscreen Button : Enter fullscreen mode for expanded viewing
Favorite Button : Star-mark for quick access from the tool list
Share Button : Quick copy page link to clipboard

Usage

The current month and today’s date are displayed by default.
Click any date to view/add events in the bottom panel.
Click “Add”, enter title, time, and select a tag, then save.
Click a tag in the filter bar to view only matching events.
Use the top-right buttons for fullscreen, favorite, or share.

Scenarios

Personal Management : Schedule daily study, sports, and travel
Team Management : Create separate calendars with tags for team projects
Project Tracking : Tag project milestones and track progress
Family Planning : Manage family appointments, activities, and memos

Notes

All data in browser localStorage; clearing browser cache will erase it.
Weekend highlighting with distinct color coding.
Events stored as JSON, easy to export and import.
Built from scratch for Gotokit integration.

Last verified: 2026-06-06 Reference: bosens-china/calendar

FAQ

Is this tool free?

Completely free. No signup, unlimited use.

Where is data stored?

All in browser localStorage. No server upload. Clearing cache will erase data.

What tags are available?

7 built-in tags: Work, Study, Sport, Fitness, Meeting, Personal, Travel. Each with distinct colors.

What do the top-right buttons do?

Camera downloads calendar as PNG image with watermark; Fullscreen expands; Favorite bookmarks; Share copies link.

Can data be exported?

Data is stored as JSON in localStorage. You can copy it from browser DevTools for backup.