QR & Barcode Tools

Free Online QR Code & Barcode Tools

Create permanent, customizable QR codes and barcodes for Wi-Fi, WhatsApp, vCards, products, and links with zero scan limits.

Create permanent QR codes encoding plain text, notes, passwords, or serial numbers.

Generate Wi-Fi connection QR codes for guests to scan and connect without typing passwords.

Create QR codes that open direct WhatsApp chats with pre-filled greeting messages.

Create QR codes that automatically compose an email with recipient, subject, and body.

Generate QR codes that allow mobile users to dial your phone number in a single tap.

Create digital business card QR codes that save contact details directly into address books.

Scan QR codes using your device camera or upload image files and screenshots.

Create retail and warehouse barcodes in CODE128, EAN-13, UPC-A, and CODE39 formats.

FAQ

자주 묻는 질문

Do generated QR codes expire?

No! All QR codes generated on OmegaTools are static and encode your raw information directly. They work forever with zero scan limits.

Are my Wi-Fi credentials or phone numbers saved?

No. All QR and barcode generation happens 100% locally in your web browser. Your private credentials never leave your machine.

What barcode symbologies are supported?

We support CODE128, EAN-13, UPC-A, CODE39, ITF, and Pharmacode with scalable vector SVG and high-resolution PNG downloads.