Presets
Paste a link. If it has no scheme, you can force http:// automatically.
Generates WIFI:T:...;S:...;P:...;; which most phones can read to auto-join.
Outputs a vCard 3.0 block (BEGIN:VCARD ... END:VCARD).
Uses sms:+33123456789?body=Hello. Some devices may ignore the body for security.
Formats as geo:lat,lng or geo:lat,lng?q=Label. Maps apps recognize it.
Fill any text; useful for short notes, promo codes, etc.
Preview
More options
Use Quartile or High if overlaying a logo.
Final raster export matches this size.
Clear margin around the code for better scanning.
How can I create a free QR code?
Use the free QR code generator from Cogitans. Paste your link or choose another content type, then download the QR code as PNG or SVG. The pattern directly encodes text, a link or a preset's fields. Error correction adds redundancy; a clear margin helps scanners read the code.
Examples and limitations
Choose URL, enter https://example.com, keep black on white and export as SVG. Scanning the file should open https://example.com. Test the code before printing it. A WiFi code contains the network credentials you enter. Share it only with intended recipients. Generation runs locally; this does not describe any third party services loaded by the page.
Practical questions
What is a QR code used for?
A QR code lets a compatible reader retrieve a link or information without retyping it. The Cogitans generator can prepare codes to open a page, share contact details or pass on WiFi settings. Choose the content, then download the code to display or print it.
How can I share a menu or document without making people type the link?
Create a QR code using the link to the menu or document you have already put online. Paste that address into the Cogitans generator, download the code and place it on a poster or table. Test the code and check that recipients can access the document. The generator does not upload or host it.
Can I change the destination after printing?
A static code keeps its original link. Generate a new code to change that link. You can still update the destination page if you control it.
How do I make a WiFi QR code?
Choose WiFi and enter the network name, security type and password. Fictional example: CafeDemo, WPA, DemoOnly123. Export the code and test it on a compatible device.
Can a QR code expire?
The static QR code created by this tool has no built-in expiry date. If it points to a website, that link must stay available for the code to remain useful.
Sources: DENSO WAVE: QR code error correction.
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