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A QR code (Quick Response code) is a two-dimensional barcode that stores data in a pattern of black squares on a white grid. When scanned with a smartphone camera, it can open URLs, display text, connect to WiFi networks, compose emails, and more. QR codes were invented in 1994 by Denso Wave for tracking car parts and have since become a universal standard for contactless information sharing.
Enter your content (URL, text, WiFi credentials, etc.) in the input field, customize colors and size if desired, and your QR code appears instantly. No signup or payment required. Download as PNG for images or SVG for print.
Yes, the QR codes generated by QRForge are completely free. Static QR codes never expire and have no scan limits. Some services charge for dynamic QR codes that can be edited after creation, but for most uses, a free static QR code is all you need.
Static QR codes encode data directly in the code pattern. The content cannot be changed after creation, but the code works forever with no dependencies. Dynamic QR codes use a redirect URL, allowing you to change the destination after printing. QRForge generates static codes, which are more private (no server tracking) and never expire.
Error correction allows a QR code to be read even when partially damaged. L (7%) is fine for clean digital display. M (15%) is good for general use. Q (25%) is recommended for printed materials that may get scratched. H (30%) allows the most damage but produces a denser code. For logos or designs overlaid on the code, use Q or H.
Yes. QRForge lets you change both foreground and background colors. Always maintain high contrast for reliable scanning — dark foreground on light background works best. Avoid using similar colors (e.g., dark blue on black) as most scanners will not read them.
PNG for web and screen use, SVG for print and vector applications. PNG is ideal for digital sharing (email, social media, websites). SVG is better for printed materials (business cards, flyers, posters) because it scales to any size without pixelation.
Yes. QRForge generates all QR codes entirely in your browser using JavaScript. No data is sent to any server. Your URLs, text, WiFi passwords, and contact information never leave your device. This is fundamentally more private than services that generate codes server-side.
QR codes can encode URLs, plain text, WiFi credentials (SSID, password, encryption type), email addresses with subject/body, phone numbers, and vCard contact information. Maximum data capacity ranges from ~7,000 numeric characters to ~4,000 alphanumeric characters depending on error correction level.
Most modern smartphones can scan QR codes using the built-in camera app. Simply point your camera at the QR code and a notification will appear with the encoded link or content. No separate app is needed on iPhone (iOS 11+) or Android (Android 8+).