Online Calendar
Add, move and organize events in a simple monthly calendar that works directly in your browser.
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1Enter data
Enter content, paste text or load a file from disk. -
2Click the button
The tool will immediately process your data in the browser. -
3Get the result
Copy the finished text or save the file to your device.
return "Result ready in 0.1s";
}
Calendar
Select a month and year. Click Generate.
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Online calendar with quick addition, dragging of events and week numbers
Free monthly calendar without logging in. Add events in seconds, swipe between days, enable week numbers, work offline and export all content to a file. Simple month view, saved locally in your browser, perfect for home, school and small business.
Open calendar Export or import
Key benefits
- Monthly calendar online, without an account and without installation.
- Quick addition: all-day and hourly with default hours.
- Drag and drop, in-place title and color editing.
- Week numbers and week start from Monday.
- Searching by phrase and filtering in the month view.
- JSON export/import for backups and migrations.
- Works offline after first run, saves locally.
- Print mode for plans and schedules.
How it works in 60 seconds
- Add an event:enter a title, choose a date, set color and decide whether it's the whole day or specific hours.
- Organize your agenda:drag events between days, edit title or color without leaving the view.
- Find faster:use the search engine to filter entries by keyword.
- Secure your data:export everything to a file with one click and restore via import.
Month view that speeds up planning
You work in a clear monthly layout with a clear indication of today's date, the ability to include week numbers and the "Monday first" option, thanks to which the work plan, lesson plan or publication plan is consistent with company and school standards.
Adding and editing events without unnecessary steps
Start with the title, select the date and choose whether it is an all-day or specific-time event; you can save the default hours and color values once to speed up subsequent entries. When your schedule changes, drag the event to the appropriate month cell, and when you want to correct it, edit the title or color in place.
Search by phrase in the month view
Enter a fragment of the word and the calendar will filter visible entries to quickly view all meetings, consultations or trips; it's a simple way to assess your week's workload for a specific category of tasks without remembering the exact dates.
Export and import without complications
With one click, you export all events to a JSON file, which you can store as a backup copy on disk or in the cloud, and then import it on this or another computer to transfer the calendar or restore the state after changes.
When to use export
- Backing up before cleaning your computer.
- Transferring data between browsers or devices.
- Archiving monthly plans for reports.
What the file contains
- Event title, date, times or "all day" tag.
- Event color and entry ID.
- Full list in JSON format ready for restoration.
Privacy and offline operation
The calendar runs in the browser and saves data locally, so it does not require logging in or sending content to external servers. After the first load you can work offline, and if you want more security, use export to file and keep a backup.
Accessibility and convenience for everyday life
Quickly switch months, return to "Today", use keyboard navigation and print an organized plan that looks good on your team board, in the staff room or in the office.
Who is this calendar for
Home and family
Lesson plan, visits, trips and important dates in one place with the option of printing it to hang on the fridge.
School and university
Exams, tests, office hours and meetings with parents in a monthly view consistent with the numbering of weeks.
Marketing and social media
Posting schedules, category colors, and quick deadline shifts when strategy changes.
Small business and freelancer
Meetings, quotes and deadlines with export to backups and simple restoration on another device.
FAQ
Does the calendar work without logging in?
Yes. The tool runs in a browser and saves data locally, so it does not require creating an account.
Can I work offline?
Yes. After the first load, you can add, edit and view events without an internet connection.
How to make a backup?
Use the "Export" button to download the JSON file. You will restore the state by "Import" from this file.
Will I see week numbers and Monday as the first day?
Yes. Turn on the "Week Numbers" and "Monday First" toggles to tailor the view to your needs.
Is it possible to move the event to another day?
Yes. Grab an event and drag it to the correct month cell and the entry will move instantly.
Start now
Open your calendar and add your first event. It's fast, simple and private. If you already have the data, import the JSON file and continue planning right away.
Quickly adding events
The quick add form allows you to enter a new event in a few seconds. Just enter a title, choose a date, set a color and decide whether it's an all-day event or only during specific hours. Default values are remembered, so you can create subsequent entries even faster.
Top Options
- Title field with auto-complete for your previous entries.
- Toggle "All day" or select start and end times.
- Event color for marking categories.
- 'Remember as default' option for subsequent entries.
Tips
- Use short titles, such as "Client Meeting."
- Assign the color to a category, e.g. green - home, blue - work.
- For repeated entries, use export and import as template copies.
Drag and drop between days
Rescheduling? Grab an event and drag it to another date. Thanks to the intuitive "drag and drop" system, you can move entries between days without opening additional windows. The calendar immediately saves the new date and you retain full control over your plan.
Usage examples
- Move a meeting from Friday to Monday with one move.
- Organize your publication schedule by shifting posts throughout the week.
- Assign vacation days by dragging events in the month view.
Edit in place
You don't have to open a new window to change the title or color of an event. Click on the name on the list on a given day, enter the correction and save. In-place editing makes updating the plan quick and without unnecessary clicks.
- Change title and color without reloading the page.
- Instant save and sync.
- No risk of data loss - every change is saved locally.
Searching and filtering events
Enter any phrase in the "Search" field and the calendar will automatically filter visible events. You will instantly find all meetings, projects or tasks that contain a specific word.
Examples of phrases
meeting– will show all meetings in the month.project– you will find all project tasks.lesson– perfect for teachers or students.
Why you should
- You don't manually view the entire month.
- You have a quick overview of your workload.
- Makes it easier to schedule regular meetings.
Week numbers and Monday as the first day
Enable week numbering for ISO scheduling, and set Monday as the first day of the week. This will keep your calendar view consistent with work plans, school schedules, and office systems.
- "Week Numbers" toggle visible above the calendar.
- The "Monday First" option adapts the layout to the European format.
- Perfect for school, business and professional plans.
Event export and import
Protect your data against loss - export your entire calendar to a JSON file with one click, and restore it via import if necessary. You don't need an account or internet connection.
When to export
- You are creating a backup before updating your browser.
- You want to transfer your calendar to another computer.
- You archive monthly or yearly data.
When to import
- After clearing browser memory.
- After reinstalling the system or replacing the computer.
- When sharing a plan with a team (via JSON).
Privacy and offline operation
Your data never ends up on the server. Everything is saved locally in the browser, which guarantees privacy and security. The calendar also works without an Internet connection.
Key rules
- No registration or login.
- Data saved in the browser's memory (local storage).
- Ability to work offline after first opening.
- Backups via JSON export.
Keyboard shortcuts
You can operate the calendar using the keyboard. Shortcuts speed up your work and allow you to quickly switch months or return to the current date without using the mouse.
| Key | Function |
|---|---|
| Ctrl + ← | Previous month |
| Ctrl + → | Next month |
| T | Back to current date |
| Esc | Close quick add form |
Printing the month plan
The built-in print mode allows you to prepare a legible month plan in paper format. Use the standardPrintfunction in your browser and the calendar will automatically adjust the layout.
- No buttons or panels - clean month layout.
- Perfect for boards, binders and family plans.
- Also works offline.
Test the features in practice
Open the calendar, add some events and try dragging, searching and exporting. See how planning can be quick, convenient and completely private.
How to get started in 3 steps
Step 1 - Set Month View
Turn on Monday as the first day of the week, then run week numbers to keep your work plan consistent with the ISO standard; thanks to this, all deadlines in the company, school and home will be counted identically and you will avoid discrepancies between systems.
- Toggle "Monday One."
- Enable "Week Numbers".
- Set the month and year manually if necessary.
Step 2 - Add Events
Click on any day in the grid or use the "Quick Add" button, enter a title, select a date and color, and decide whether it is an all-day or timed event; adjust the start and end times, then keep the default settings for subsequent entries.
- Short, descriptive titles make searching easier.
- Assign the color to the category: work, home, school.
- Check "Remember as default" to speed up subsequent additions.
Step 3 - Organize your agenda
Drag and drop events between days, use the search engine to view only relevant entries, and finally export to a JSON file as a backup; if necessary, you can restore the entire plan with one import.
- Drag events with your mouse to new dates.
- Filter by keywords in the "Search" field.
- Export to JSON and store copies on disk.
Example Uses
Freelancer and Small Business
Schedule client meetings, deep work blocks and billing dates; use colors to distinguish projects, and the week view and search engine to instantly isolate invoice and contract-related tasks, reducing the time needed to organize your day.
- Blue - projects, green - billing, purple - marketing.
- Phrases: "invoice", "offer", "deadline".
- Export month to customer archive.
Teacher and student
Record consultations, tests, exams and assignment deadlines, and the week numbers will help you adjust the plan to the curriculum and semester schedule; quick addition makes it simple to note down dates without interrupting your classes.
- Colors: lectures, exercises, session.
- Phrases: "colloquium", "presentation", "project".
- Printout of the plan on the board in the studio.
Home and Family Plan
Coordinate doctor visits, extra-curricular activities and vacations, and drag-and-drop event transfers allow you to quickly respond to changes in plans; Print your monthly view and pin it on your fridge so everyone can see key dates.
- Colors: home, school, health.
- Phrases: "interview", "vaccination", "birthday".
- Import and export to family copies.
Marketing and content team
Build a simple publication calendar without accounts and integrations; mark campaigns with colors, move entries on the weekly axis and filter by keywords to quickly balance the number of publications in the cycle and avoid accumulations on one day.
- Colors: social, blog, newsletter, campaign.
- Phrases: "post", "article", "landing".
- JSON export as a package for acceptance.
Good Organizational Practices
Naming and Categories
Use consistent prefixes and short descriptions, add keywords for searches, and keep a consistent color palette for categories, because consistency reduces grid scanning time and makes it easier to filter entries in the long run.
- "[Customer X] workshop" instead of "workshop".
- Colors consistent with departments or projects.
- Avoid dates in the title - the date is stored in the entry.
Backup Hygiene
Establish a data export cadence and store files in the cloud or on an external drive, because a regular JSON backup eliminates the risk of losing your plan when you clear your browser, reinstall your system, or change your computer.
- Export weekly or after major changes.
- Filenames:
calendar-YYYY-MM.json. - Test import on backup browser profile.
FAQ
Do my events go to the server?
No; events are saved locally in your browser's memory and you can manually export them to a JSON file to back up or transfer the plan to another device.
How to restore the calendar after clearing the browser memory?
Use the "Import" button, select the previously saved JSON file and confirm; all events will reappear in the month view and the colors and times will be preserved.
What should I do if I accidentally delete an event?
If you have exported, use a copy file; otherwise, add the entry again via "Quick Add" and mark it with the same color to keep the category consistent.
Can I share my calendar with my team?
Yes; export events to JSON and forward the file to colleagues who can import it in their calendar, allowing you to sync your agenda without setting up accounts or integrations.
Does monthly plan printing work?
Yes; use your browser's print function and the layout will automatically hide the interface elements and prepare a clear grid with visible events and week numbers, if enabled.
Troubleshooting
I can't see new events after import
- Make sure the file is valid JSON.
- Refresh the month view with the navigation buttons.
- Check the "Search" filter to see if it is hiding entries.
Dragging doesn't work
- Drag on the event label, not on an empty cell.
- Drop on days belonging to the current month.
- Refresh the page after working for a long time without interruption.
Search tool description
Extended description
Online calendar for month planning, private and offline, with quick addition of events, dragging between days, category colors, week numbers and search engine; events are saved locally in your browser and you can export them to a JSON file to securely back up or move your plan between devices.
Keywords: online calendar, month planner, planner, events, planning, week numbers, private calendar, offline, JSON export, drag and drop, quick addition.
Plan your month in minutes
Launch the calendar, add your first events and organize your plan by dragging in the grid; export at any time to keep a copy and continue working on any computer.