Generate truly random numbers with customizable ranges and options.
Generate truly random numbers within any range. Choose count, allow or prevent duplicates, sort results, and copy output instantly. Uses client-side Web Crypto API.
How to Use Random Number Generator
- Select or drag and drop your file(s) into the Random Number Generator workspace.
- Adjust the custom parameters, formats, or options to your requirements.
- Preview the processed output in real time and download the result instantly to your device.
Key Capabilities & Features
- 100% Client-Side Processing: Your data never leaves your computer or mobile device.
- Fast & Instant: Powered by modern WebAssembly and HTML5 browser APIs without upload delays.
- No Signups & No Watermarks: Completely free and unlimited for personal and professional use.
Privacy & Security Guarantee
At Toolbo, privacy is built directly into the software architecture. Random Number Generator processes all inputs directly in client-side browser memory. There is no server upload, no remote file caching, and zero tracking of your document or media contents.
Frequently Asked Questions
- How are the numbers generated?
- Numbers are generated using the browser crypto.getRandomValues() Web Crypto API for cryptographically strong pseudorandomness.
- Can I generate unique numbers with no duplicates?
- Yes, toggle the "Allow Duplicates" option off to generate a unique set of numbers.
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