Lottery & Random Drawing
Randomly draw one from a list of numbers, names, and more
Features
Two modes: List or Range
Switch between line-separated lists and numeric ranges
Customizable announcement effects
Choose whether to include a drum roll effect with sound
Exclude already-drawn items
Fair results with no duplicates in consecutive draws
Try instantly with sample data
Pre-loaded samples for meals, drinks, and travel destinations
How to Use
Select input mode tab
Choose between list input or numeric input to determine your draw method
Enter draw candidates
List items line-by-line, or enter minimum and maximum values
Set announcement timing and effects
Select the time before announcement and the effect style; toggle exclusion of already-drawn items
Press draw button to see results
After clicking the button, the result displays large after the selected effect
Use Cases
Select event winners
Fairly draw winning numbers for giveaways and campaigns
Assign roles at gatherings
Randomly designate organizers or roles from member lists for fair responsibility distribution
Quick lunch and venue decisions
Settle on menu and destination by lottery for faster decision-making
Random participant selection in class or training
Randomly call on students or attendees by number or list for presentations
Decide game order and first player
Determine first and second player fairly for board games and sports
Basic Knowledge
How Lottery Fairness Works
Computer lotteries use random numbers to select one item equally from all candidates, ensuring fair selection unaffected by order or appearance. Unlike manual draws, they eliminate arbitrary bias.
Lotteries With and Without Exclusion of Winners
There are two types: sampling without replacement, which excludes previously selected items from future draws, and sampling with replacement, which returns all candidates for each draw. The former suits prize winner selection, while the latter works better for situations like daily role assignments where the same person can be selected consecutively.
Safety and Privacy
Runs entirely in your browser
Your input data is processed only within your browser and is never sent externally.
Processing only in your browser
drawing is processed entirely within your browser, and input data is not sent to any server.
Communications encrypted with HTTPS
Page loading is also encrypted by TLS, and content cannot be read by third parties.
No transmission to third parties
Input content is not sent to external services such as ad networks or trackers.
No automatic saving of results
draw result and input suggestions are not stored on the server.
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Updates
- update #292
Add 'Sequential Draw Mode' to lottery that hides the previous person's result
- update #291
Keep lottery records and results when switching between tabs
When switching between List Input and Number Input tabs, the lottery records and previous results drawn on each tab are preserved as-is.
- update #280
Reveal lottery results with a button while keeping them hidden
- update #275
Added 'Card Draw' lottery format where you select and flip face-down cards
- update #242
Moved the reset button for lottery draws to the top right of the input field to prevent accidental operations