Security & Privacy & Developer Tools

Strong passwords, passphrases and secure tokens. Privacy-first: every generator runs in your browser, nothing is sent to a server.

Sort by

Password Generator

Strong, customisable passwords with honest entropy. Runs entirely in your browser.

Generate

Passphrase Generator

Memorable passphrases with auditable strength. Diceware mode + curated PT-BR wordlist.

Generate

Username Generator

Public-identifier usernames in three modes — random, dictionary words, or blend with leet and number suffix.

Generate

UUID Generator

Generate v1, v4 and v7 UUIDs with anatomy visualization, 5 output formats, bulk export up to 10k, and a built-in decoder. RFC 9562 compliant.

Generate

Random Number Generator

Six specialized modes: integers, floats, unique sequences, lottery presets, transparent raffles, and normal distribution. Crypto-grade.

Generate

WiFi Password Generator

Strong WiFi passwords in three modes (secure, strong random, quick share) with native QR-code login and a printable A4 poster.

Generate

QR Code Generator

Scannable QR codes for 9 payload types — URL, Wi-Fi, vCard, Pix and more. Color customization, PNG/SVG/print/copy export. 100% client-side.

Generate

Lorem Ipsum Generator

Placeholder text in 8 themed variants (classic, bacon, hipster, cupcake, corporate, pirate + BR-original Carioca and Sertanejo). 4 units, 5 output formats. Client-side.

Generate

Hash Generator

MD5, SHA-1, SHA-256, SHA-384 and SHA-512 digests in hex, Base64 or Base64URL. Generate or verify, 100% client-side.

Generate

Base64 Encoder/Decoder

Encode or decode Base64 in your browser. UTF-8 safe, padding toggle, URL-safe auto-detect on decode. 100% client-side.

Generate

URL Encoder/Decoder

Percent-encode or decode URLs and query strings in your browser. Component or URI variant, UTF-8 multi-byte safe. 100% client-side.

Generate

Color Picker & Converter

Convert any color between HEX, RGB, HSL, OKLCH and the Tailwind v3+ palette in real time. Visual picker, eyedropper (Chromium), 100% client-side.

Generate

JWT Decoder & Inspector

Decode any JWT, read its claims, and verify the signature against a secret (HS) or public key (RS / PS / ES). 100% client-side — your secret never leaves the page.

Generate