🎲 Random String Generator
Generate cryptographically secure random strings of any length. Customizable character sets — perfect for passwords, API keys, and tokens.
🔐 Generated Random String
Click Generate
Entropy: -- bits
📖 How to Generate Secure Random Strings – Step by Step
- Step 1: Choose character sets: uppercase, lowercase, numbers, symbols.
- Step 2: Set the desired string length (1–128 characters).
- Step 3: Optionally enable "Exclude similar" to avoid confusion (il1Lo0O).
- Step 4: Click “Generate Random String” – the result appears instantly.
- Step 5: Copy the string to clipboard or use as a secure password or token.
💡 Security & Randomness
- ✔️ Cryptographically secure using
crypto.getRandomValues()– true randomness. - ✔️ Entropy is calculated based on character set size and length.
- ✔️ 100% client‑side – no data ever leaves your device.
- ✔️ Perfect for passwords, API keys, session tokens, and unique identifiers.
📢 Share this secure random string generator with developers and security enthusiasts – it's free and private!
🔒 Cryptographically secure randomness • All processing local • No data sent • Zero tracking