GENERATORS
Free Random Number Generator online
Generate random numbers within a range.
Random Number Generator on DocTools helps you generate random numbers within a range, with no account needed. Paste your settings into Random Number Generator, tweak the options, and take the result with one click. Random Number Generator runs locally on your device, so nothing is uploaded to a server.
- Free to use
- No signup
- Private and local
- Unlimited use
Why use Random Number Generator
- generate random numbers within a range without installing software
- Your settings is processed on your device by Random Number Generator, never uploaded
- Random Number Generator needs no account, email address or payment details
- Random Number Generator shows live output that updates as you type
- Random Number Generator is keyboard accessible and screen-reader friendly
- Random Number Generator is free forever, with no watermark on the result
Random Number Generator runs entirely inside your browser. Your settings is never uploaded, stored or shared, and nothing is retained once you close the tab.
How to use Random Number Generator
- Enter your settings Paste or type your settings into the input panel above.
- Adjust the options Set the options that control how Random Number Generator handles your input.
- Process it Random Number Generator works instantly on your device, with no queue and no upload wait.
- Copy or download Copy the output to your clipboard or download it as a file, free and unlimited.
Benefits
Private by design
Your settings stays on your device while Random Number Generator works. Random Number Generator never sends it to a server, so confidential work stays confidential.
Instant results
Random Number Generator finishes most jobs in under a second because the work happens on your own hardware.
No signup, no limits
Use Random Number Generator as many times as you want. Random Number Generator asks for no account, adds no watermark and keeps no paid tier gating the output.
Works on any device
Random Number Generator runs in any modern browser on desktop, tablet and phone, with a keyboard-accessible interface throughout.
Who it is for
For students
Students use Random Number Generator to hand in coursework without installing software: generate random numbers within a range on a shared or locked-down machine.
For freelancers
Random Number Generator helps freelancers send client deliverables quickly, since your settings never leaves the laptop it was created on.
For HR and admin teams
Random Number Generator helps HR and admin teams process paperwork quickly, since your settings never leaves the laptop it was created on.
How it works
Random Number Generator builds its output from the parameters you choose using the browser's own APIs, including the cryptographic random source where randomness is required. Because Random Number Generator generates locally, the values exist only on your device until you copy or download them.
Frequently asked questions
Is Random Number Generator free to use?
Yes. Random Number Generator is completely free with no account, no trial and no usage cap. Every feature on this page is available on the first visit.
Does Random Number Generator upload your settings to a server?
No. Random Number Generator processes your settings inside your browser, so it never reaches a DocTools server. That also means the tool keeps working if your connection drops mid-task.
Is there a limit on how much input I can use?
Random Number Generator handles inputs into the megabytes without trouble; the only real limit is how much your browser tab can hold in memory.
Do I need to install anything to use Random Number Generator?
No installation is needed. Random Number Generator runs in Chrome, Edge, Firefox and Safari, on desktop and on mobile, with no extension or plugin.
Can I use Random Number Generator on a phone or tablet?
Yes. The Random Number Generator interface adapts to small screens and supports touch input, though very large jobs are faster on a desktop browser.
What happens to your settings when I close the tab?
It is discarded. Random Number Generator keeps everything in temporary browser memory, so closing the tab removes every trace of the session.
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Last updated: 2026-09-07