Do styled or logo QRs still scan?

Yes if contrast stays high and the logo is small (about 10–30% of the code). Mewix raises error correction when you add a logo.

What is error correction in a QR code?

Levels L, M, Q, and H add redundancy so damaged or partially covered codes still scan. H recovers the most data and suits logos.

Are my QR codes uploaded to a server?

No. Generation and scanning run entirely in your browser on Mewix. Files and payloads never leave your device.

Can I download as PNG, JPG, SVG, or PDF?

Yes. Generators export PNG and high-quality JPG for photos and forms, SVG for design tools, a tight PDF of the code alone, and a print PDF centered on A4 or Letter.

What size should I print a QR code?

For reliable phone scanning, print at least about 2×2 cm (¾ inch) for short URLs, and larger for dense payloads or long distances. Keep quiet-zone margins clear.

Will iPhone and Android scan this?

Yes. Built-in Camera apps on modern iPhone and Android devices read standard QR codes, including WiFi, URL, and contact payloads.

Can I make a WiFi or contact QR here?

You can paste any payload, but dedicated WiFi, vCard, email, SMS, phone, and geo tools build the correct format for you.

QR Code Generator

Create styled QR codes with colors, module shapes, corner styles, and an optional logo. Download PNG, SVG, tight PDF, or an A4/Letter print sheet — private, no upload.

URL or text

ForegroundBackgroundModule styleCorner squaresCorner dotsError correctionSize (512px)Margin (8)

Center logo (optional)

Print paper

How to generate a QR code

Enter your content. Paste a URL or text. For WiFi, contacts, or location, use the dedicated QR tools.
Style the code. Pick colors, module shape, corner style, error correction, and an optional logo.
Preview. Check the live preview. Use high contrast (dark on light) for best scan rates.
Download. Export PNG, high-quality JPG, SVG, tight PDF, or an A4/Letter print PDF.

Related QR tools

Explore the QR & Barcode hub, or jump to WiFi QR, QR Scanner, or Barcode Generator.

Frequently asked questions

A QR code is a square 2D barcode that stores text such as a URL, WiFi login, or contact card. Phone cameras decode it instantly.