Password Generator — Secure, Free & Private

A free edge API by formatho.com, privacy-first developer tools.

Free, no signup, runs entirely in your browser — your data never leaves your device.

🔐 Crypto-secure 🔒 Zero tracking 🚫 Never stored or logged ⚡ Edge-fast

Usage

curl "https://password-generator-formatho.filesformatho.workers.dev/api?length=24&count=3&symbols=1"

curl "https://password-generator-formatho.filesformatho.workers.dev/api?length=16&symbols=0&excludeAmbiguous=1"

Parameters

Param	Default	Description
`length`	`20`	Password length, 8–128.
`count`	`1`	How many passwords, 1–100.
`lowercase` / `uppercase` / `numbers` / `symbols`	`1`	Enable/disable each charset (`0` to disable).
`excludeAmbiguous`	`0`	`1` drops look-alike chars (`il1Lo0O`, quotes, etc.).

Every password uses crypto.getRandomValues with unbiased rejection sampling; each requested charset is guaranteed at least one character. Response includes pool size, entropy bits and a strength rating. Full reference: /api endpoint.

Privacy-first: passwords are generated in-memory on Cloudflare's edge and answered immediately — never stored, never logged, never transmitted anywhere else. Most "free" password sites track you and run ads; this one does neither. See the Formatho privacy philosophy.

Full browser tool

Prefer a UI? Use the complete client-side version — passwords are generated locally in your browser and never touch any server: Password Generator on formatho.com.

All Formatho edge APIs

Browse every free Formatho Worker tool on the Formatho Tools index.