QR Codes, Passwords and Generators
Generate high-resolution QR codes, barcodes, cryptographically secure passwords, random data, and CSS styles.
Tools in QR Codes, Passwords and Generators (36)
Alphabetical & PopularRandom Number Generator
Generate customizable random numbers, integers, and sequences with min/max bounds and no duplicates.
Lorem Ipsum Generator
Generate customizable dummy Latin placeholder text by paragraphs, sentences, words, or lists.
Random Text Generator
Generate random sentences, strings, and simulated text content for UI testing.
UUID Generator
Generate RFC 4122 compliant Version 4 (random) and Version 1 (time-based) UUID identifiers in bulk.
ULID Generator
Generate Universally Unique Lexicographically Sortable Identifiers (ULID) with timestamp prefixing.
Password Generator
Generate strong, cryptographically secure passwords and passphrases with custom rules.
Random String Generator
Generate random alphanumeric strings, API keys, secret tokens, and salts with custom character sets.
QR Code Generator
Generate customizable high-resolution QR codes for websites, text, Wi-Fi networks, and contacts.
Wi-Fi QR Code Generator
Generate a QR code that allows guests to connect to your Wi-Fi network instantly without typing passwords.
URL QR Code Generator
Generate high-resolution vector and PNG QR codes for any website URL, landing page, or online menu.
Email QR Code Generator
Generate QR codes that pre-populate an email address, subject line, and body message when scanned.
vCard QR Code Generator
Create a digital business card QR code encoding your name, phone number, email, company, and website.
Strong Password Checker
Test password strength, entropy bits, brute-force cracking resistance, and vulnerability against common leaks.
Username Generator
Generate creative, cool, and available username ideas for TikTok, Instagram, YouTube, Discord, and gaming.
Business Name Generator
Generate memorable, brandable business name ideas for startups, small businesses, and agencies.
Domain Name Idea Generator
Brainstorm creative, short, and brandable domain name ideas with popular TLD extensions (.com, .io, .ai, .co).
Random Name Generator
Generate realistic first names, last names, and full identities across diverse cultural backgrounds.
Random Date Generator
Generate random dates and timestamps between custom start and end date ranges.
Team Name Generator
Generate fun, fierce, and creative team names for sports leagues, office hackathons, trivia nights, and gaming.
Lottery Number Generator
Generate truly random quick-pick numbers for Powerball (1-69 + PB 1-26) and Mega Millions (1-70 + MB 1-25).
Fake Data Generator for Testing
Generate realistic mock data sets (names, emails, phone numbers, US addresses, credit cards, dates) in JSON or CSV.
Test Email Generator
Generate valid disposable RFC 2606 test email addresses (example.com, test.org) for form validation.
Placeholder Image Generator
Generate custom placeholder dummy images by width, height, background color, text label, and format.
Placeholder Text Generator
Generate placeholder text in Latin, tech buzzwords, culinary speak, and classic literature.
Barcode Generator
Generate high-definition printable barcodes in Code 128, Code 39, EAN-13, and UPC formats.
EAN-13 Barcode Generator
Generate standard 13-digit EAN-13 retail barcodes with automatic check digit calculation.
UPC Barcode Generator
Generate standard 12-digit UPC-A barcodes for North American consumer retail products.
Random Color Generator
Generate random aesthetically balanced color palettes, pastel shades, and vibrant color codes.
HEX Color Generator
Generate randomized Hexadecimal color codes (#RRGGBB) with contrast ratio scores against white and black.
Gradient Generator
Design beautiful linear and radial CSS gradients with visual angle controls and multi-color stops.
CSS Box Shadow Generator
Generate realistic, smooth CSS box-shadow and drop-shadow styles with horizontal/vertical offsets, blur, and spread.
CSS Border Radius Generator
Visually create standard and organic 8-value blob border-radius shapes for buttons, cards, and avatars.
Business Card QR Generator
Generate a print-ready QR code for physical business cards linking to your vCard or personal portfolio website.
Password Strength Checker
Test password strength, entropy bits, brute-force cracking resistance, and vulnerability against common leaks.
Passphrase Generator
Generate memorable, ultra-secure multi-word passphrases using the Diceware random wordlist method.
Secure Random Number Generator
Generate cryptographically secure pseudo-random numbers (CSPRNG) using window.crypto for tokens and cryptography.
About QR Codes, Passwords and Generators on TTech
Are these tools private and secure?
Yes. All qr codes, passwords and generators are engineered to execute calculations and processing within your local web browser, protecting your privacy and confidential data.
Can I use these tools on mobile devices?
Every tool is responsive and optimized for mobile screens, tablets, laptops, and desktop computers.