Generador de codigos QR -- Colores personalizados, logo y 7 tipos de contenido

Crea codigos QR personalizados para URLs, redes WiFi, tarjetas de contacto y mas. Agrega tu logo, elige colores y descarga en formato PNG o SVG -- todo gratis, todo en tu navegador.

All processing happens in your browser. No data is uploaded.

Customization

256px
128px512px
#000000
#FFFFFF

L=7%, M=15%, Q=25%, H=30% data recovery. Use H when adding a logo.

Square image recommended. Displayed at 20% of QR code size.

Scan with your phone camera to test this QR code.

How It Works

1

Choose Content Type

Select what you want to encode: a URL, plain text, WiFi credentials, email address, phone number, SMS, or a full vCard contact.

2

Customize Your QR Code

Adjust the size, foreground and background colors, error correction level, and optionally upload your brand logo to embed in the center.

3

Download or Share

Preview your QR code in real-time, then download as a high-quality PNG or scalable SVG file. Copy to clipboard for instant sharing.

Why Use Our QR Code Generator?

100% Private & Free

All QR codes are generated locally in your browser. No data is sent to any server. No signup, no tracking, no limits.

Instant Live Preview

See your QR code update in real-time as you type or change settings. Download instantly in PNG or SVG format.

7 Content Types

Generate QR codes for URLs, text, WiFi, email, phone, SMS, and vCard contacts. Perfect for business cards, flyers, and digital marketing.

QR Code Generator is a free, browser-based code creation tool by Aibrify that generates custom QR codes for URLs, WiFi, vCard, email, phone, and SMS without uploading data to any server. Built for social media marketers and content creators who need fast, private QR code generation with logo support.

What is a QR Code and Why Does It Matter for Marketing?

QR codes have become an essential bridge between physical and digital marketing. Originally invented in 1994 by Denso Wave for tracking automotive parts, QR codes are now ubiquitous in marketing, payments, authentication, and daily life. Over 89 million smartphone users in the US alone scanned a QR code in 2022, and adoption continues to grow rapidly worldwide.

For businesses, QR codes offer a frictionless way to connect customers to digital content. A QR code on a business card links to your website. A QR code on a restaurant table links to the menu. A QR code on a product package links to setup instructions or warranty registration. The possibilities are virtually unlimited.

Types of QR Codes You Can Create

Our free generator supports the most popular QR code content types used in business and marketing:

  • URL QR Codes: The most common type. Link to any website, landing page, product page, or social media profile. Perfect for print ads, business cards, and packaging.
  • WiFi QR Codes: Encode your network credentials so guests can connect with a single scan. Ideal for offices, retail stores, restaurants, hotels, and events.
  • vCard QR Codes: Share your full contact information in a scannable format. Include name, phone, email, company, title, and website. The gold standard for modern business cards.
  • Email QR Codes: Pre-fill the recipient, subject line, and body text. Great for customer feedback forms, support requests, and lead capture.
  • Phone & SMS QR Codes: Enable one-tap calling or messaging. Used in customer service, appointment reminders, and direct response marketing.
  • Text QR Codes: Encode any plain text message, discount code, serial number, or instruction.

Best Practices for QR Code Design

  • Ensure sufficient contrast: The foreground color should be significantly darker than the background. Low contrast makes QR codes difficult or impossible to scan. Black on white provides the best reliability.
  • Use appropriate size: A QR code should be at least 2cm x 2cm (about 0.8 inches) for close-range scanning (business cards, packaging). For posters and billboards, scale up proportionally — the scanning distance is roughly 10x the QR code width.
  • Choose the right error correction: Use higher error correction (Q or H) for printed materials that may get damaged, and lower levels (L or M) for clean digital displays where density matters.
  • Test before printing: Always scan your QR code with multiple devices before printing. Test with both iOS and Android phones, and try scanning in different lighting conditions.
  • Add a call to action: Place text near your QR code telling people what to expect: "Scan to view menu," "Scan for WiFi," or "Scan to save contact." This dramatically increases scan rates.
  • Keep the content concise: Shorter content produces simpler QR codes that are easier to scan. For long URLs, consider using a URL shortener.

QR Codes in Digital Marketing

QR codes are a powerful tool in any marketer's toolkit. They bridge offline and online channels, enabling measurable engagement from print materials, product packaging, event signage, and more. By linking to landing pages with UTM parameters, you can track exactly how many customers engage with each physical touchpoint.

Social media marketers use QR codes to drive followers from physical locations to their profiles. Event organizers use them for check-in, session feedback, and networking. Real estate agents place them on yard signs to link to virtual tours. The common thread: QR codes reduce friction and increase conversion by eliminating the need to type URLs manually.

Frequently Asked Questions

What is a QR code and how does it work?
A QR code is a two-dimensional barcode that stores data as black and white squares, readable by any smartphone camera. When scanned, it instantly decodes the data — opening a URL, connecting to WiFi, saving a contact, or performing other actions depending on the encoded content.
What content types can I encode in a QR code?
You can encode seven content types: URLs, plain text, WiFi credentials, email, phone, SMS, and vCard contacts. Our generator supports all of these with full customization, including subject/body for emails and complete contact details for vCards.
How does the logo overlay work? Will it break scanning?
No, adding a logo will not break scanning when error correction level H (30%) is used. The logo is placed in the center of the QR code, and the modules underneath are replaced with the background color. QR codes have built-in error correction that allows a portion of the code to be obscured while still being readable. Keep your logo under 20% of the QR code size for reliable scanning.
What is error correction and which level should I use?
Error correction is a built-in feature that lets QR codes remain scannable even when partially damaged. There are four levels: L (7% recovery), M (15% recovery), Q (25% recovery), and H (30% recovery). Higher levels make the QR code denser but more resilient. Use L or M for clean digital use, Q for printed materials, and H when adding a logo overlay or for codes that may get physically damaged.
Should I download PNG or SVG?
Use PNG for digital sharing and SVG for print materials that need to scale without quality loss. PNG works best for social media, email, and web use. SVG is a vector format ideal for business cards, posters, and flyers. Both formats maintain the exact colors and structure of your QR code.
How do WiFi QR codes work?
WiFi QR codes let people connect to your network instantly by scanning, with no manual password entry. They encode your network name (SSID), password, and encryption type in a standardized format supported by both iOS and Android. This is perfect for offices, restaurants, Airbnb properties, and events.
What is a vCard QR code and how is it used?
A vCard QR code saves your contact information to someone's phone when they scan it. It encodes data in the standard vCard 3.0 format, including name, phone number, email, company, job title, and website. It is widely used on business cards, conference badges, and email signatures for frictionless contact sharing.
Is this tool really free?
Yes, 100% free with no limits, no signup, no watermarks, and no data collection. All QR code generation happens locally in your browser using the qrcode.react library. You can create and download as many QR codes as you need.
Sin Recopilación de DatosPrivacidad PrimeroCumple GDPR

Última actualización: 2025-03-17 · Creado por el equipo de Aibrify — más de 10,000 marketers confían en nosotros

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