Bulk Password Generator

What this bulk generator does

The bulk password generator creates between 1 and 1,000 random passwords in a single click, using the length and strength you set at the top of the card: Easy for lowercase only, Medium for letters and numbers, or Hard for the full symbol mix. You can copy the whole batch to your clipboard or download it as a plain .txt file with one password per line.

This page is the bulk generator, so there is no single-password box to scroll past. Set the length and strength, choose how many you need with the slider or a preset, and click Generate. Every password in the list gets its own copy button, Copy all grabs the whole batch at once, and the .txt button downloads a file named passwords.txt with nothing in it but the passwords themselves.

Every entry is drawn independently with crypto.getRandomValues, the browser's cryptographically secure random number generator, using rejection sampling so no character in the pool is favored. It is the same engine as the strong password generator on our homepage, just run up to a thousand times in a row. If you need a batch of word-based passwords or numeric PINs instead, the passphrase generator and PIN generator build those with the same private, in-browser engine.

At the default 16 characters with all character types on, each password carries 103 bits of entropy. Against an offline attacker testing 10 billion guesses per second, average crack times look like this:

Who actually needs a thousand passwords

Bulk generation is mostly a workplace tool. IT admins provisioning new accounts, schools setting up student logins at the start of a term, QA engineers seeding test databases with realistic credentials, and event organizers creating temporary kiosk or guest logins all need a list of passwords rather than one at a time.

IT admins are the biggest group. Onboarding a cohort of new hires means seeding a directory with initial credentials, and most provisioning scripts happily consume a one-password-per-line file. Schools do the same at scale every September, creating logins for entire year groups in one sitting. For younger students, the memorable password generator produces word-based passwords that are far easier to type, one at a time.

QA and development teams use bulk lists to seed test environments with users whose credentials pass real validation rules; turning on the require each type option guarantees every password clears composition checks. Event organizers generate short-lived credentials for kiosks, demo machines, and conference guest accounts that get deleted the following week. And if the target system rejects symbols, the alphanumeric password generator covers that with letters and digits only.

Why local generation matters at scale

Every password in the batch is generated inside your browser with the Web Crypto API. Nothing is uploaded, no batch is logged, and the page makes zero network requests while generating, which you can confirm in your browser's DevTools. That matters more at scale because a leaked batch exposes hundreds of accounts, not one.

Consider the alternative. A generator that builds your batch on its server briefly holds a list of 1,000 live credentials right next to your IP address. If that server logs responses, and most web servers log something by default, the list now sits in a file you do not control and cannot delete. When those passwords belong to your employees, students, or customers, that is a breach waiting for a trigger.

This page cannot make that mistake even by accident. Open DevTools before you click Generate and watch the Network tab: zero requests. Once loaded, it keeps working with your internet connection switched off. We cover how to judge any generator on exactly these points in our guide on whether online password generators are safe.

How to hand out bulk passwords without leaking them

Treat every bulk password as temporary. Set the flag that forces a change at first login, deliver each credential through a channel the recipient already controls, and delete the .txt file once the import is done. The generator gives you a clean list; what happens to that list afterwards is the risky part.

• Force a change at first login. Active Directory, Google Workspace, and every serious identity system have a must-change flag. Use it, and a leaked list stops mattering a few days after rollout.
• Never email the spreadsheet. An emailed list of live credentials leaves plaintext copies on at least two mail servers and in two mailboxes, indefinitely. Hand credentials out one at a time through a portal, a password manager's sharing feature, or an expiring one-time link.
• Keep the format boring. One password per line, no headers, no commas. That pastes straight into a spreadsheet column and imports cleanly into password managers and provisioning scripts without any escaping surprises.
• Duplicates are a non-issue, but easy to verify. A batch of 1,000 sixteen-character passwords has less than a one in a trillion trillion chance of containing a repeat. If policy demands proof, paste the column into a spreadsheet and run remove duplicates. It takes seconds.

The default of 16 characters clears NIST's recommendation of at least 15 for accounts protected by a password alone (SP 800-63B). If you are tempted to go shorter so users have less to type, read our guide on how long a password should be first. The gap between 10 and 16 characters is the gap between decades and geologic time.