Gerador de QR Code Gratuito

Criar custom QR codes for URLs, text, WiFi networks, contact cards, emails, SMS, and phone numbers. Customize colors, size, and error correction level. Baixar as PNG or SVG instantâneoly.

87,432+ QR codes gerard and counting

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O Que É a QR Code Generator?

Um código QR (Quick Response) é um código de barras bidimensional que armazena informações legíveis por smartphones. Ele pode codificar URLs, textos, contatos, redes WiFi e muito mais.

A QR code generator lets you criar custom QR codes instantâneoly without any technical knowledge. Simply inserir your data, customize the appearance with your brand colors, escolher the size and error correction level, and baixar a alta qualidade PNG or SVG file ready for print or digital use. Kleap's free QR code generator runs entirely in your browser — your data never leaves your device, ensuring complete privacy.

O que Você Pode Codificar em um QR Code?

URL / Site

Link to any site, página de destino, or online resource. The most common QR code use case — perfeito para marketing materials, business cards, and product packaging.

Texto Simples

Encode any text message up to 4,296 characters. Useful for instructions, serial numbers, or any information você quer to share without an internet connection.

Rede WiFi

Share WiFi credentials instantâneoly. Guests scan the QR code and connect automatically — no typing long passwords. Perfeito para restaurants, hotels, offices, and Airbnb listings.

vCard / Contato

Criar a digital business card. When scanned, the contact details (name, phone, email, company) are added directly to the phone's address book. Replace paper business cards.

E-mail

Pre-compose an email with recipient address, subject line, and body text. When scanned, the user's email app opens with everything pre-filled — ótimo para feedback forms and suporte.

Mensagem SMS

Pre-compose an SMS message with a phone number and text body. When scanned, the messaging app opens ready to send — ideal para opt-in campaigns and quick communication.

Chamada Telefônica

Encode a phone number that triggers an automatic call when scanned. Perfeito para customer service lines, emergency contacts, and quick-dial business cards.

6 Dicas para Usar QR Codes Eficazmente

1

Use cores de alto contraste

QR codes precisam de forte contraste entre primeiro plano e fundo para serem escaneados de forma confiável. Primeiro plano escuro sobre fundo claro funciona melhor.

2

Sempre teste antes de imprimir

Escaneie seu QR code com pelo menos 3 celulares diferentes (iPhone, Android, modelos mais antigos) antes de imprimir ou publicar.

3

Escolher the right error correction

Use Nível L (7%) para telas digitais onde o código fica limpo. Use Nível H (30%) para materiais impressos que podem ser dobrados ou levemente danificados.

4

O tamanho importa

O tamanho mínimo escaneável é cerca de 2x2 cm para escaneamento próximo. Para pôsteres e outdoors, use pelo menos 10x10 cm.

5

Adicione uma call-to-action

Um QR code sozinho não diz às pessoas o que fazer. Adicione texto como "Escaneie para conectar ao WiFi" ou "Escaneie para mais informações".

6

Rastreie seus QR codes

Use encurtadores de URL com analytics (como bit.ly ou seu próprio domínio) para QR codes de URL. Isso permite rastrear quantas pessoas escanearam.

Gerador de QR Code: Kleap vs Alternativas

RecursoKleapQR Code Generator.comQRCode MonkeyCanva
PreçoGrátisGrátis (limitado) / $6,99/mêsGrátisGrátis / $12,99/mês
Cores personalizadasSim (controle total)Somente premiumSimLimitado
SVG baixarSim (grátis)Somente premiumSimSomente premium
Privacidade (sem servidor)100% no clienteNo servidorNo servidorNo servidor
Tipos de entradaURL, Texto, WiFi, vCard, E-mail, SMS, TelefoneURL, Texto, WiFi, vCard e maisURL, Texto, WiFi, vCardSomente URL
Sem cadastroSimPlano grátis: simSimConta necessária

Perguntas Relacionadas

Como I criar a QR code de graça?+
Use Kleap's free QR code generator — inserir your URL, text, WiFi credentials, or contact information, customize colors and size, and baixar instantâneoly as PNG or SVG. No signup, no limits, sem marcas d'água. Everything runs in your browser for complete privacy. It's the rápidoest way to criar profissional QR codes without any cost.
O que é the best free QR code generator?+
Kleap's QR code generator stands out for being completely free with no premium gates, suporteing 7 input types (URL, text, WiFi, vCard, email, SMS, phone), offering full color personalização, PNG and SVG baixars, and running 100% client-side for privacy. Other popular options include QRCode Monkey (free, server-side) and QR Code Generator.com (freemium with paid recursos).
Can I criar a QR code for WiFi?+
Yes. Inserir your WiFi network name (SSID), password, and encryption type (WPA/WPA2, WEP, or open). The gerard QR code, when scanned, automatically connects the device to your WiFi network without typing anything. This is widely used in restaurants, hotels, Airbnb properties, offices, and events.
Como I make a QR code for a business card?+
Selecionar the vCard type in the QR code generator and inserir your contact details — name, phone number, email, company name, and site. When someone scans this QR code, your contact information is automatically saved to their phone's address book. Print the QR code on your business card or include it in your email signature for fácil contact sharing.
QR codes funcionam sem internet?+
It depends on the content. QR codes encoding plain text, phone numbers, SMS, or WiFi credentials work without internet — the data is stored directly in the code. QR codes linking to URLs require internet access to load the site. vCard QR codes save contact info locally without internet. The QR code itself is always readable offline — it's only the linked content that may need a connection.

Guia Completo to QR Codes

QR codes have become essential tools for bridging the physical and digital worlds. From restaurant menus to contactless payments, event tickets to product packaging, QR codes provide instantâneo access to digital content with a simples scan. Here's everything você precisa to know about creating and using QR codes effectively.

Escolhendo o Tipo Certo de QR Code

The type of data you encode determines how the QR code behaves when scanned. URL codes open sites — perfeito para marketing and product links. WiFi codes auto-connect devices — ideal para hospitality. vCard codes save contacts — ótimo para networking events and business cards. Email and SMS codes pre-compose messages — useful for customer feedback and suporte. Match the QR code type to your specific use case for the best user experience.

Melhores Práticas de Design

QR codes eficazes equilibram estética com escaneabilidade. Mantenha alto contraste (escuro sobre claro), deixe zona de silêncio ao redor e teste em múltiplos dispositivos.

QR Codes para Impressão vs Digital

For print materials (business cards, flyers, packaging), baixar SVG format for infinite scalability and sharp edges at any size. For digital use (sites, presentations, redes sociais), PNG at 512px is sufficient for most screens. Consider the scanning distance — business cards need smaller codes than billboards. For large-format printing, vector SVG ensures the code stays crisp even at poster size.

Casos de Uso por Setor

Restaurantes usam QR codes para cardápios digitais e acesso WiFi. Corretores de imóveis linkam para tours virtuais. Varejistas direcionam para páginas de produto.

Perguntas Frequentes

Este gerador de QR code é gratuito?+
Yes, Kleap's QR code generator is 100% grátis sem cadastro, no limits, and sem marcas d'água. Gerar ilimitado QR codes for URLs, text, WiFi, vCards, emails, SMS, and phone numbers. Baixar in PNG or SVG format. All processing happens in your browser — your data is never sent to any server.
O que posso codificar em um QR code?+
Você pode encode URLs (site links), plain text, WiFi network credentials (SSID, password, encryption type), vCard contact information (name, phone, email, company), pre-composed emails (with subject and body), SMS messages, and phone numbers. Each type triggers a different action when scanned — opening a browser, connecting to WiFi, saving a contact, composing a message, or dialing a number.
Qual deve ser o tamanho do meu QR code?+
Para escaneamento próximo (cartões de visita, etiquetas de produto), mínimo de 2x2 cm funciona bem. Para pôsteres ou placas de loja, use pelo menos 10x10 cm para garantir escaneamento fácil.
O que é error correction level?+
Error correction allows a QR code to remain scannable even if part of it is damaged or obscured. Level L (Low) recovers 7% of data — use for clean digital displays. Level M (Medium) recovers 15% — good general purpose. Level Q (Quartile) recovers 25% — for printed materials. Level H (High) recovers 30% — melhor para codes that may be damaged, or if você quer to overlay a small logo on the code.
Posso personalizar as cores do QR code?+
Yes. Você pode set both the foreground (dark modules) and background colors. For reliable scanning, maintain high contrast — dark foreground on light background works best. Avoid low-contrast combinations like yellow on white or light gray on white. The foreground should be darker than the background, as most scanners expect this pattern.
Qual é a diferença entre PNG e SVG?+
PNG is a raster format — melhor para digital use (sites, redes sociais, presentations) at a specific resolution. SVG is a vector format — it scales to any size without losing quality, making it ideal para print materials (business cards, posters, packaging). For print, always baixar SVG. For digital, PNG at 512px or 1024px is usually sufficient.
QR codes expiram?+
Static QR codes (like the ones gerard here) never expire. The data is encoded directly in the QR pattern. As long as the encoded content is valid (e.g., the URL still works), the QR code will work forever. Dynamic QR codes (offered by some paid services) use redirect URLs that can expire or be changed.
Posso colocar um logo no meu QR code?+
Yes, você pode overlay a small logo in the cinserir of a QR code if you use high error correction (Level H, 30%). The error correction compensates for the obscured modules. Keep the logo to no more than 15-20% of the total QR code area. After adding a logo, always test the code with multiple devices to ensure it still scans reliably.
É seguro escanear QR codes?+
QR codes themselves are safe — they just encode data. However, malicious QR codes can link to phishing sites or trigger unwanted actions. Most moderno phones show the URL before opening it, giving you a chance to verify. When creating QR codes, use HTTPS URLs and trustworthy destinations. When scanning unknown codes, check the URL preview before proceeding.
Como I scan a QR code?+
Most moderno smartphones (iPhone and Android) scan QR codes directly through the built-in camera app — just point your camera at the code and tap the notification that appears. If your phone doesn't suporte this natively, baixar a free QR code scanner app from your app store. Google Lens also scans QR codes from photos and screenshots.

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Gerar profissional QR codes em segundos. Free, personalizável, and private — your data never leaves your browser.

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Free QR Code Generator | Criar Custom QR Codes Instantly