Loading…
Skip to contentGenerate random numbers within a range, optionally unique. Tentaco Random Number Generator: review input and get an instant result — free, no sign-up.
Full tool — runs in your browser. No sign-up required.
Loading…
Generate one or many random integers between a minimum and maximum value. Choose whether duplicates are allowed — perfect for raffles, sampling and test data.
Paste or enter your input into Tentaco Random Number Generator. Standard processing runs locally in your browser — contents are not sent to Tentaco servers for that path.
The primary button opens the matching studio mode so you can start without an account. People often search for: random number generator, rng, random integer.
Open Random Number Generator via the studio button (direct mode).
Paste or type your input.
Adjust options and review the preview or output.
Copy or save the result and re-run if needed.
Transfer to Tentaco: No for the standard mode. Processing: local in the browser. Permanent storage: only if you copy or save the result yourself.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
Random Number Generator provides the function described in the intro directly in your browser — no installer.
No. Random Number Generator processes the standard mode locally in your browser; Tentaco does not receive your input for that path.
No. Open Random Number Generator and start immediately.
No. Random Number Generator is a technical helper and does not replace legal, tax or professional advice.
Random String Generator — test data
Generate secure random strings and IDs of any length. Tentaco Random String Generator: review input and get an instant result — free, no sign-up.
Password generator — strong & secure, free online
Generate cryptographically strong passwords in your browser. Length, symbols and bulk mode — copy instantly, no server.
Calculator Studio online — free
Math, dates, health and utility calculators in one workspace. Tentaco Calculator Studio: review input and get an instant result — free, no sign-up.
Prime Number Checker online — free
Check if a number is prime and list its factors. Tentaco Prime Number Checker: review input and get an instant result — free, no sign-up.
Age Calculator — exact age from birthdate
Calculate exact age in years, months and days from a birth date. Tentaco Age Calculator: review input and get an instant result — free, no sign-up.
Date Difference — days between dates
Calculate the time between two dates. Tentaco Date Difference Calculator: review input and get an instant result — free, no sign-up.
BMI Calculator — body mass index
Calculate Body Mass Index in metric or imperial units. Tentaco BMI Calculator: review input and get an instant result — free, no sign-up.
Percentage Calculator — percent change online
Work out percentages, increases, decreases and ratios. Tentaco Percentage Calculator: review input and get an instant result — free, no sign-up.