QR Generator
Free & offline · no watermark

QR generator

Create a scannable QR code from a link, WhatsApp message, email, or plain text — then style it and download it, all in your browser.

Link
WhatsApp
Email
Text
Customize appearance
⚠ Low contrast — this QR code may be hard to scan. Try a darker foreground or lighter background.

Fill in the form and hit Generate to see your QR code here

Free QR Code Generator – Create Custom QR Codes Online

Need a QR code in the next thirty seconds? Our free QR code generator turns any link, WhatsApp message, email, or block of text into a scannable code — no software, no sign-up, and no watermark on your download. Pick your own colors, choose a size that fits your design, and grab a print-ready PNG in one click.

Whether you’re adding a code to a business card, a restaurant menu, a product label, or a marketing flyer, this tool gives you full control over how your QR code looks and works, right from your browser.

What Is a QR Code Generator?

A QR code generator is a tool that converts information — a website address, a phone number, a message, or plain text — into a square, scannable barcode. When someone points their phone camera at it, the code instantly opens the linked content, whether that’s a webpage, a pre-filled WhatsApp chat, or a draft email.

QR codes have become a standard part of offline-to-online marketing. You’ll see them on packaging, storefront windows, invoices, event tickets, and social media posts, because they remove the friction of typing a long URL or saving a new contact by hand.

How to Use Our Free QR Code Generator

Creating a QR code takes four simple steps:

  1. Choose a type. Select Link, WhatsApp, Email, or Text from the tabs at the top of the tool.
  2. Fill in your details. Enter the URL, phone number and message, email address, or text you want the code to carry.
  3. Customize the look. Open “Customize appearance” to change the QR color, background color, size, and error-correction level.
  4. Generate and download. Click “Generate QR code,” then download the PNG or copy it straight into a document or design file.

There’s no account to create and no limit on how many codes you can generate.

Types of QR Codes You Can Create

Website / URL QR Code

Paste in any web address and the tool builds a QR code that opens that page directly. This is the most common use case — linking a printed ad, poster, or packaging to your website, product page, or online store.

WhatsApp QR Code

Generate a QR code that opens WhatsApp with your business number and a pre-filled message already typed in. This is ideal for customer support desks, retail counters, and service businesses that want to turn foot traffic into WhatsApp conversations instantly.

Email QR Code

Create a code that opens the visitor’s email app with your recipient address, subject line, and message body already filled in. Useful for feedback forms, RFQ requests, and support tickets where you want a structured message every time.

Plain Text QR Code

Encode any text directly into the code — a Wi-Fi password, a coupon code, an address, or a short note. Scanning it displays the text immediately, with nothing to click through.

Customize Your QR Code

Most free QR generators only give you a plain black-and-white square. This tool lets you match your QR code to your brand:

  • QR and background color — pick any hex color, or choose from ready-made presets.
  • Size — export at 200×200, 300×300, or 450×450 pixels depending on whether it’s for a screen, a flyer, or large-format print.
  • Error correction level — higher levels keep the code scannable even if part of it is covered by a logo, folded, or slightly damaged.
  • Built-in contrast check — the tool automatically warns you if your color choice is too low-contrast to scan reliably, so you never publish a code that doesn’t work.

Why Use Techno Alig's QR Code Generator?

  • Completely free, with no daily limit on how many codes you create.
  • No sign-up or email required — generate and download immediately.
  • Works offline in your browser once the page has loaded, so your data never leaves your device.
  • No watermark on the downloaded PNG.
  • Fully responsive tool, so it works just as well on mobile as on desktop.
  • High-resolution downloads suitable for both digital use and print.

Who Uses QR Codes?

  • Small businesses and shops — link a printed sign to your menu, catalog, or WhatsApp number.
  • Marketers — track campaign traffic by linking a QR code to a dedicated landing page.
  • Event organizers — put a code on tickets or banners that opens registration or check-in pages.
  • Freelancers and agencies — add a QR code to business cards, invoices, and proposals.
  • Restaurants and cafés — replace printed menus with a scannable digital menu.

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Frequently Asked Questions

Is this QR code generator really free?

Yes. There's no cost, no sign-up, and no limit on how many QR codes you can create and download.

Do QR codes made with this tool expire?

No. The QR code itself never expires — it's a static image encoding your link or text. It will keep working as long as the destination link or content it points to stays active.

Can I change the color of my QR code?

Yes. Open the "Customize appearance" panel to set a custom QR color and background color, or pick from the built-in presets. The tool checks contrast automatically so your code stays scannable.

What's the best QR code color for scanning?

A dark QR pattern on a light background scans most reliably. Avoid combining two similar-toned colors — the built-in contrast warning will flag this for you.

Can I add my logo to the QR code?

Yes — the tool supports adding an image or logo directly to the QR code. You can upload your logo/image and place it in the center of the QR code while maintaining reliable scannability. For best results, use a higher error-correction level such as High or Max, especially when adding a larger logo overlay.

What image format do I get when I download?

Your QR code downloads as a high-resolution PNG file, ready for both web and print use.