Free online randomizer for integers 1–100. Cryptographically fair, with batch mode, history, and custom ranges for games, raffles, and decisions.
Your number
Click or press Space to roll again
Searching for a random number generator 1 to 100? Whether you're running a classroom raffle, picking a giveaway winner on social media, or need a quick tiebreaker, this tool delivers a cryptographically secure integer in one click — no app install, no signup.
Unlike basic random functions, we use crypto.getRandomValues() with rejection sampling so every number from 1 to 100 has exactly 1% probability — no modulo bias, no patterns.
Web Crypto API ensures unbiased results suitable for raffles, giveaways, and fair-draw proof.
Generate up to 50 numbers at once with optional no-duplicate mode for lottery-style picks.
Presets for 1–10, 1–100, 1–1000, or dice (1–6). Set any min/max you need.
Built for speed, fairness, and zero friction — here's what makes this tool stand out.
True 1–100 range with equal probability for every integer — no favoring low or high numbers.
Batch generate up to 50 numbers with one click for classroom lists or multi-winner raffles.
Recent history log lets you and your audience verify results after each roll.
Press Spacebar anywhere on the page for instant re-rolls without reaching for the mouse.
100% browser-based — works offline after loading, nothing uploaded to any server.
Completely free with no account, no ads blocking the tool, and no daily usage cap.
Default is 1–100. Change min/max or tap a preset like 1–10 or dice.
Hit the button or press Space. Your number appears with a pop animation.
Copy the result for your raffle post, or generate again instantly.
Yes. It uses crypto.getRandomValues(), a cryptographically secure pseudo-random number generator in modern browsers. Each value from 1 to 100 has equal 1% probability.
Enable Batch mode to produce 2–50 numbers in one click. Turn on "No duplicates" to ensure every number in the batch is unique.
Absolutely. Enter any min and max values, or use quick presets for 1–10, 1–1000, or a standard dice roll (1–6).
For fairness-critical uses like giveaways, yes. Math.random() can have subtle bias patterns. Our tool uses rejection sampling on crypto-grade random bytes.
No. All generation runs 100% locally in your browser. We never store, log, or transmit your numbers.
Yes. Generate a number, screenshot or copy it, and share as proof. The history log helps show the pick was made live.
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