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Easily Create QR Codes
Free QR Code Generator
= QR Code Generator =
QR Code みんなの知識ちょっと便利帳

Generate QR Code 
Scan QR Code 
  • [About Applying URL Encoding]
    • URL encoding converts special characters and Japanese into a URL-friendly format.
      • Example: “QRコード” → “QR%E3%82%B3%E3%83%BC%E3%83%89”
    • Applying URL encoding ensures that URLs containing special characters or Japanese can be correctly QR-coded. It is recommended when including URL links.
    • If not applied, the entered content will appear as is in the QR Code. This is suitable for plain text or specific purposes.
  • The number of characters that can be included in a QR Code depends on the character type and error correction level. For reference: Up to 7,089 numeric characters, 4,296 alphanumeric characters, 2,953 bytes for binary data, or 1,817 kanji/kana characters.
  • Choose the QR Code encoding settings to match the device or environment being used. For older devices, selecting Shift_JIS is recommended.
  • Generally, error correction level “M (Approximately 15% Recovery)” is used. Adjust the error correction level to “L,” “Q,” or “H” depending on the purpose.
  • If the input content is too long, the QR Code may not be generated correctly. Pay attention to data size and keep it within a suitable length.
  • Low contrast between the background and QR Code can prevent scanning.
  • Be cautious when using QR Codes containing personal or confidential information.
  • This tool may stop or be discontinued without notice. Thank you for your understanding.
  • This site is not responsible for any issues, losses, or damages resulting from the use or inability to use this tool.
  • QR Code® is a registered trademark of DENSO WAVE INCORPORATED.
 Convenient Uses for QR Codes 
  • Sharing URL Links: Easily provide access to websites or online forms.
  • Sharing Contact Information: Add QR Codes to business cards to quickly share contact details or social media accounts.
  • Event Information: Include event details in QR Codes on tickets or invitations.
  • Sharing Wi-Fi Information: Turn SSID and password into QR Codes for easy visitor connections.
  • Product Information and Manuals: Add QR Codes to product packages or manuals to provide detailed information or video tutorials.
  • Customer Surveys and Feedback: Encourage responses by providing survey links through QR Codes.
  • Sharing Location Information: QR Codes with map location details to share destinations easily.
  • Payment Information: Enable cashless payments through QR Codes.
  • Promotions and Campaigns: Embed coupon codes or special offers in QR Codes to attract customers.
  • Education and Learning: Provide links to educational materials or additional information in QR Code form.
 QR Code Generator Tool FAQ 
  1. What is a QR Code Generator Tool?
    A QR Code Generator Tool allows you to easily create QR codes by entering various types of information, such as text, URLs, contact details, and Wi-Fi settings. The generated QR codes can be downloaded and used for printing or digital distribution.
  2. What kind of information can be converted into QR codes?
    The following information can be converted into QR codes:
    ・Website URLs
    ・Phone numbers
    ・Email addresses
    ・Wi-Fi connection information (SSID and password)
    ・Event or schedule information
    ・Text messages or custom data
  3. Is this tool free to use?
    Yes, this tool is completely free to use. There are no additional costs or registrations required.
  4. How can I use the generated QR codes?
    The generated QR codes can be used in the following ways:
    ・Print them to attach to flyers or posters
    ・Upload them to websites or social media
    ・Include them in business cards or brochures
    ・Use them for event invitations or store directions
  5. Can I save the generated QR codes?
    Yes, the generated QR codes can be downloaded in PNG, JPEG, GIF, or SVG formats. Simply click the "Download" button after generating to save them as images.
  6. Can I create QR codes using a smartphone or tablet?
    Yes, this tool is accessible on smartphones and tablets. You only need to access it through a browser, with no need to install any apps.
  7. Can I customize the design of the QR codes?
    In the current version, you can change the color of the QR codes, but detailed design customization is not available. However, features for altering shapes and other elements are planned for future updates.
  8. What is needed to create a Wi-Fi QR code?
    Simply input the following Wi-Fi connection information to generate a QR code:
    ・Network name (SSID)
    ・Password
    ・Encryption type (e.g., WPA/WPA2)
  9. Do the generated QR codes have an expiration date?
    The QR codes themselves do not have an expiration date. However, if the information embedded in the QR code is time-sensitive (e.g., temporary URLs), it may become invalid over time.
  10. What should I be aware of when creating QR codes?
    ・Ensure the input information is accurate.
    ・If the information is too long, the QR code may become complex and difficult to read.
    ・Using shortened URLs can make QR codes easier to scan.
  11. Are QR codes safe?
    QR codes generated by this tool are safe. However, exercise caution when sharing them publicly, as malicious parties could misuse the shared QR codes. Share only within necessary boundaries.
  12. What is an error correction level?
    Error correction levels are settings that allow QR codes to remain readable even if partially damaged. Generally, higher error correction levels provide more stability but result in larger QR codes.
  13. Are there any limitations to using this tool?
    There are limits to the amount and size of content that can be encoded in a QR code. Extremely complex or large data might not be supported.
  14. How does this tool work?
    1. Enter the required information into the input form.
    2. Click the "Generate QR Code" button.
    3. Download or share the displayed QR code.
  15. What sets this tool apart from other QR code tools?
    ・Free to use
    ・Simple interface
    ・No registration required for immediate use
    ・Compatible with smartphones and tablets
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Last updated : 2024/12/08
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