Generate List of Numbers
Create sequences of numbers instantly. Perfect for database ids, test data, or array generation.
Result
Generate Sequences in Seconds
Need a list of numbers from 1 to 1000? Or maybe a countdown from 50 to 1? Stop typing them manually. Our Number List Generator creates custom sequences with any step interval and format you need.
Why use this?
Programmer Helpers
Generate arrays for loop testing or database IDs (e.g. 1-10000) to check performance.
Formatted Output
Get your numbers dependent on commas, new lines, or spaces. Ready to paste into Excel or code.
How It Works
The Generate List of Numbers runs entirely in your browser using JavaScript. Unlike other tools that send your data to a server, we process everything locally on your device. This guarantees 100% privacy and blazing fast speed.
- No server interaction – data never leaves your device
- Instant results since there is no network latency
- Works offline once the page is loaded
- Free to use with no usage limits
How to Use
Set Range
Enter the Start number and End number for your list.
Step & Format
Choose the step (increment) and the separator (comma, newline, etc.).
Copy
Copy the generated list to your clipboard.
Frequently Asked Questions
Can I generate negative numbers?
Can I do a countdown?
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Filter Numbers
Filter a list of numbers based on conditions like range, even/odd, or greater/less than.
The Generate List of Numbers is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.