Generate Random Dates
Create a list of random calendar dates within a year range. Runs entirely in your browser, so your data never leaves your device.
Output
The result appears here as you type.
How to use Generate Random Dates
- 1. Set the year range. Enter the Earliest year and Latest year to bound the random dates. Every generated date falls somewhere between January 1 of the earliest year and December 31 of the latest.
- 2. Set the count and separator. Enter How many dates to generate and pick a Separator so the list pastes cleanly wherever you need it, whether a spreadsheet column or a code array.
- 3. Copy the random dates. Copy the generated list of random calendar dates and use them as sample or test data wherever real dates are not yet available.
When to use Generate Random Dates
Generate Random Dates creates a list of unpredictable calendar dates within a year range you choose, useful anywhere you need placeholder or test data that is not suspiciously uniform. It replaces writing a small script for a one-off need.
- Filling a spreadsheet with sample transaction dates. A finance demo spreadsheet needs realistic-looking transaction dates spread across several years. Generate a batch within the target range and paste them into the date column.
- Seeding a database with varied record timestamps. A test database looks more convincing when created_at dates are spread naturally rather than clustered on a single day. Generate random dates within a plausible range for the seed data.
- Fuzz-testing a date-range filter. Before shipping a search filter that lets users pick a date range, test it against random dates scattered across decades to make sure boundary years are handled correctly.
- Building sample data for a statistics exercise. A class exercise on computing the distribution of weekdays across a year needs a batch of random dates to analyze. Generate the dates and hand them to students for the assignment.
Examples
Random dates 2000–2030
Output
2014-07-22 2003-11-09 2028-02-14
About the Generate Random Dates tool
Generate Random Dates does its work locally, right in the browser. Create a list of random calendar dates within a year range. There is no upload step, no queue and no account, and your data never travels over the network.
It belongs to the Time Tools collection on EditSafely, a set of 90 small, focused Time utilities that share the same instant, private workspace.
You can shape the output with 4 settings, including Earliest year, Latest year, How many dates and Separator, and the result refreshes the moment you change one. A worked example further down the page shows exactly what the tool produces for a real input.
Running locally also makes the tool fast and dependable: results appear as you type or drop a file, there is no server outage that can take it down mid-task, and confidential data can be processed without a second thought.
Frequently asked questions
Does Generate Random Dates cost anything?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Does the generator send anything to a server?
No data leaves your device. The whole tool is JavaScript that runs inside your browser tab, so there is no upload, no server-side processing and no log of what you did. If you disconnect from the internet after the page loads, it keeps working.
How do I get a different result?
Run the generator again. Each run is computed fresh on your device, and any options you change are applied to the next result immediately.
Do I need to sign up or install anything?
Nothing to install and no account needed. Open the page in any up-to-date browser, including on a phone or tablet, and the tool is ready.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.