Styled QR Code Generator - Online Custom Design & Logo
Create QR codes with custom colors, gradients, and an embedded logo. Download as high-quality PNG/SVG. Fully local generation.
UD5 Toolkit
Create scannable, brand-ready QR codes with your custom logo at the center. Perfect for business cards, packaging, and marketing.
Create QR codes with custom colors, gradients, and an embedded logo. Download as high-quality PNG/SVG. Fully local generation.
Create high-quality QR codes for URLs, text, Wi-Fi, and contact info. Customize colors and size. Download as PNG/SVG. No data leaves your device.
Generate a QR code from any text, URL, or contact details. Save as PNG, SVG, or copy to clipboard. All local.
Paste text and instantly see every character's decimal and hex ASCII/Unicode code point. Supports emojis and symbols.
Apply a classic Caesar shift cipher with any key. Encrypt or decrypt text instantly. Brute force option included.
Add Vietnamese diacritics to plain text by selecting tones. Remove them from text. For language learners.
Test yourself on international calling codes. Random country, type the code. Or reverse. Perfect for travelers.
Click on a fold technique (spiral, crumple) and see a predicted color pattern. Print folding guide.
Generate a self‑signed X.509 certificate and private key for local development. All created in your browser. No server involved.
Eliminate duplicate lines from text instantly. Keep only unique lines or see which lines were removed. Handy for cleaning email lists and raw data.
Create binaural beats by setting base frequency and beat frequency. Use headphones. For relaxation or focus. Web Audio API.
Convert any text to proper sentence case. Capitalize the first letter after every period, question mark, or exclamation.
Interactive soprano recorder chart showing which holes to cover for each note. Switch between baroque and German fingering.
Test your knowledge of the NATO phonetic alphabet. Timed quiz with letter‑to‑code and code‑to‑letter modes.
Look up quick facts about any country: capital, population, currency, flag, and continent. Static data, fast search. Great for travel and education.
Random world flags shown; pick the correct country name from four choices. Score and streak. Learn geography.
Identify countries from their flags. Multiple difficulty levels and regions. Track your high score. Educational geography game. Works offline.
Create CSS clamp() values for fluid typography. Enter min and max font sizes and viewport widths. Modern responsive design.
Generate a realistic‑sounding dinosaur name and see a fun description. Perfect for kids and writers.
Create a customizable checkerboard or grid background using pure CSS gradients. Adjust cell size and colors. Copy the code.
Fill in your PWA details to generate a valid manifest.json file. Include icons, theme color, display mode.
Paste any iframe embed code (YouTube, maps) and get a responsive wrapper div with correct aspect ratio CSS.
Create a QR code that lets people connect to your Wi‑Fi without typing a password. Just scan and join. Secure local.
Design a pure CSS tooltip with custom text, position (top/bottom/left/right), and arrow. Copy the clean code.
Upload a small pixel art image and get a CSS grid layout that recreates it using divs. Novelty developer tool.
Generate a random, funny or serious company slogan for your startup idea. Brainstorming helper. All local.
Generate valid, random unicast MAC addresses for testing or spoofing. Select OUI prefix if desired. Local only.
Create a QR code that contains your full vCard contact information. Scan to save directly to a phone. No data leaves browser.
Create and format Markdown tables by adjusting rows and columns. Align text, copy the raw Markdown. Perfect for README files.
Click for an endless stream of random dad jokes and puns. Copy and share. Guaranteed to make you groan. All local.