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A QR (Quick Response) code is a two-dimensional barcode that stores information — usually a website URL, but also plain text, Wi-Fi credentials, contact cards, or payment addresses — in a grid of black and white squares. It was invented in 1994 by the Japanese company Denso Wave for tracking car parts, and it went mainstream once smartphone cameras learned to scan codes natively. Point your phone's camera at a QR code and it decodes the pattern in a fraction of a second, no special app needed on modern phones. Unlike a traditional barcode that holds a few dozen characters, a single QR code can store over 4,000 alphanumeric characters, which is why one small square can launch a website, join a Wi-Fi network, or open a payment screen.
Type or paste your text or URL into the input field — a link to your website, Instagram profile, menu PDF, or anything you want people to reach quickly. Pick a size: 250×250 pixels works for screens, while 1000×1000 is better if you plan to print the code on flyers or packaging. Choose an error correction level (Medium is a safe default), optionally set custom foreground and background colors to match your brand, then click Download PNG to save the image. Test your code by scanning it with your own phone before publishing — check that it opens the right page and that the contrast is strong enough to scan in real-world lighting.
QR codes include built-in error correction: redundant data woven into the pattern so the code still scans even if part of it is damaged, dirty, or covered by a logo. There are four levels. Low (L) recovers about 7% of damaged data and produces the simplest, least dense pattern — fine for clean digital use. Medium (M) recovers about 15% and is the best all-rounder. Quartile (Q) recovers about 25%. High (H) recovers about 30%, which is what you want for printed codes that might get scuffed, or if you plan to overlay a small logo in the center. The trade-off: higher correction makes the pattern denser and slightly harder to scan at small sizes, so match the level to how the code will actually be used.
This generator renders your QR code through the public api.qrserver.com service: the text you enter is sent to their API, which returns the code image, and your browser then lets you download it. Nothing is stored on WebTaskTools servers — we never see or log your input. That said, be thoughtful about what you encode: anyone who scans the code can read its contents, so avoid putting passwords, private keys, or personal data into a QR code that will be shared publicly. For sensitive uses, generate codes offline with desktop software instead.