Backup Codes Generator

Backup Codes Generator — runs 100% in your browser. No data is uploaded; nothing leaves your device.

Ad space

How many codes

One-time recovery codes for 2FA, using crypto.getRandomValues (ambiguous characters removed). Store them offline. On your server, save only hashes of these codes. Generated entirely in your browser.

Loading tool…

Reach for Backup Codes Generator whenever you need to generate strong passwords and secrets. Use it to create strong, unique credentials for new accounts, rotate leaked passwords or set up service secrets — without ever trusting a third-party server with your security.

How to embed Backup Codes Generator on your website

Add this free tool to your own site, blog or intranet — it's 100% free to embed. Paste this snippet where you want the tool to appear; it loads a clean, self-contained version with no ads or navigation.

<iframe src="https://tooljolt.com/embed/backup-codes-generator" title="Backup Codes Generator" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px" loading="lazy"></iframe>

About Backup Codes Generator

Backup Codes Generator is a free online password tool that lets you backup Codes Generator. It runs entirely in your browser — no sign-up, no uploads and nothing ever sent to a server — so it is fast, private and safe to use with sensitive data. Whether you are a developer, security professional, student or just curious, Backup Codes Generator gives you an instant, reliable result with zero setup.

How to use Backup Codes Generator

1Open Backup Codes Generator — it loads instantly with nothing to install.
2Adjust the length, character sets or other options.
3Generate as many values as you need.
4Copy them straight into your password manager.

Why use Backup Codes Generator?

✓100% free with no sign-up, accounts, watermarks or usage limits
✓Runs entirely in your browser — your input never leaves your device, ideal for confidential security data
✓Uses the browser's cryptographically secure Web Crypto RNG
✓Nothing is ever logged or transmitted — generate secrets safely
✓Works on any device with a modern web browser, online or offline

Frequently asked questions

Are values from Backup Codes Generator safe to use?+

Yes. Backup Codes Generator uses the browser's cryptographically secure random number generator (Web Crypto), and because everything stays on your device, generated values are never transmitted or logged.

What makes a strong password?+

Aim for high entropy — generally 16+ random characters or a 5–6 word passphrase. A long, unique password per site stored in a password manager beats a short complex one you have to remember.

Is Backup Codes Generator free to use?+

Yes. Backup Codes Generator is 100% free with no sign-up, no account, no usage limits and no watermarks. Use it as often as you like.

Does Backup Codes Generator upload my data to a server?+

No. Backup Codes Generator runs entirely in your browser using JavaScript — nothing you type or upload ever leaves your device. That makes it safe to use with sensitive or confidential security data.