QR Code Generator — Free, No Sign-up
This free QR code generator turns any URL or text into a scannable QR code instantly, with a live preview and one-click PNG download. Create codes for website links, Wi-Fi instructions, event posters, business cards, menus, and product packaging — no account, watermark, or expiry.
The code is rendered locally in your browser as you type; nothing you encode is sent to a server, and the generated QR code is static, meaning it will keep working forever because the data lives in the image itself.
How to use QR Code Generator
- Type or paste the URL or text to encode.
- The QR code preview updates instantly as you type.
- Press Download QR Code to save it as a PNG image.
- Test the printed size with a phone camera before mass production.
How QR codes work
A QR (Quick Response) code stores data in a grid of black and white modules. The three large corner squares let scanners find and orient the code, while built-in Reed-Solomon error correction allows a code to remain scannable even when partly obscured or damaged. Longer input produces a denser grid, so shorter URLs scan more reliably at small sizes.
Tips for scannable codes
- Keep the encoded URL short — consider a short link for long addresses with tracking parameters.
- Maintain a quiet zone (white margin) around the code when placing it in designs.
- Print with strong contrast — dark modules on a light background scan best.
- A printed code should generally be at least 2 × 2 cm for close-range scanning.
Related terminology
- Module
- One black or white square in the QR grid — the code's smallest data unit.
- Error correction
- Redundant Reed-Solomon data that lets scanners reconstruct a partially damaged or obscured code.
- Static vs dynamic QR
- Static codes (this tool) embed the data directly and never expire; dynamic codes point to a redirect service so the target can be changed later.
- Quiet zone
- The empty margin around a QR code that scanners need to isolate it from surrounding graphics.
Frequently asked questions
- Do these QR codes expire?
- No. The data is encoded directly into the image (a static QR code), so it works forever without depending on any service — including this site.
- Can I use the generated QR codes commercially?
- Yes. QR codes are an open ISO standard and the images you generate are yours to use on packaging, posters, menus, and marketing material.
- Why won't my QR code scan?
- The usual culprits are printing it too small, low contrast against the background, a missing quiet zone, or an extremely long URL producing very dense modules. Shorten the URL and test at final print size.
- Can a QR code contain things other than a URL?
- Yes — any text works: Wi-Fi credentials (WIFI:…), contact cards (vCard), email addresses (mailto:), phone numbers (tel:), or plain messages. Scanners act according to the content's format.