Start with the action after the scan
A useful QR code begins with a clear outcome. Decide whether a scan should open a web page, join a WiFi network, prepare a message, display plain text, or save contact details. Choosing the matching format matters because scanner apps recognize structured content such as URLs, phone numbers, and WiFi credentials differently.
For a website, use the final public HTTPS address rather than a link copied from an editing screen or private dashboard. For structured formats, enter complete information: international phone numbers need a country code, while WiFi credentials must match the router exactly. Keep the payload as short as practical because more data creates a denser symbol with smaller modules at the same physical size.
- Use URL for a page people can open in a browser.
- Use Text for information that should remain inside the QR code.
- Use a dedicated format for WiFi, email, SMS, phone, location, or contact details.
- Avoid placing sensitive information in a QR code that will be displayed publicly.
Enter and validate the content
Paste or type the destination into the matching generator. Qraftt validates common mistakes before rendering—for example, unsafe URL schemes, malformed email addresses, invalid coordinates, and incomplete phone numbers. Validation can confirm a format, but it cannot promise that an external page will stay online or that information on another service is correct.
Review the destination as carefully as you would proofread printed copy. A static QR code stores the payload directly, so a typo becomes part of the downloaded symbol. If the destination changes later, you normally need to generate and print a new code.
Choose a readable design
Dark modules on a light background remain the safest choice. Color is possible, but the foreground and background need strong contrast. Avoid transparent or visually busy backgrounds, and keep the clear margin around the symbol free of text, borders, and artwork.
Error correction can help recover data when part of a code is dirty or damaged. Higher levels add redundancy, but they also make a code denser for the same payload. Medium is a sensible general starting point; use higher correction when the environment is demanding, then compensate with a larger printed code and thorough testing.
Test the live preview and final file
Scan the preview with more than one phone when possible. Confirm the exact destination, not just that the camera recognizes a QR code. For a URL, let the page load and check redirects. For a structured action, confirm the phone displays the expected network, recipient, number, or coordinates before accepting the action.
Testing must continue after export. Print or place the code at its real size, on the real material, under realistic lighting, and scan from the distance people will use. Gloss, folds, curved packaging, low-resolution printing, and nearby artwork can all change performance even when the source file is valid.
- Try iOS and Android cameras if the audience uses both.
- Test close up and at the expected viewing distance.
- Check bright, dim, and reflective lighting where relevant.
- Verify the destination again immediately before a large print run.
Download PNG or SVG for the job
PNG is convenient for documents, social posts, slide decks, and many everyday digital uses. Keep it at its original dimensions or reduce it carefully; enlarging a small raster image can blur module edges. SVG is usually the better handoff for professional print because it remains sharp at any scale.
Keep a record of the encoded destination alongside the source file. Give files descriptive names, and store the editable artwork separately from the final print export. That small workflow makes later checks and replacements much easier.
A reliable QR code checklist
Before publishing, make sure the code passes a short operational review. The most common QR failures are not mysterious technical problems; they are incorrect links, insufficient contrast, missing clear space, undersized printing, or destinations that require access the audience does not have.
- The destination is correct, public when necessary, and mobile friendly.
- The payload uses the right QR content format.
- Foreground and background have strong contrast.
- A clear quiet zone surrounds all four sides.
- The exported file was tested at final size on multiple devices.
Put it into practice