QR Code Generator

Generate various types of QR codes quickly, supporting text, URL, WiFi and other formats.

QR Code Generator - QR Code Type

Common Sizes
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QR Code Generator Tool Guide

QR Code Generator is a free online tool that can quickly generate various types of QR codes, supporting text, URL, WiFi, email, phone, SMS and other formats. Supports custom QR code size (100 to 1000 pixels), colors (foreground and background), error correction level (L, M, Q, H) and other parameters to meet different scenario needs. Supports multiple QR code types: text QR codes, URL link QR codes, WiFi connection QR codes, email QR codes, phone call QR codes, SMS QR codes. Generated QR codes can be immediately downloaded as PNG images or copied to clipboard. All QR codes are generated locally in the browser, not uploaded to servers, completely protecting your privacy.

Supports multiple QR code types for different scenarios
Custom size, color and error correction level
Local generation, one-click download and copy, privacy protection

Tool Features

Multiple QR Code Type Support

Supports generating multiple types of QR codes to meet different usage scenarios: text QR codes (can contain any text content), URL link QR codes (scan to open webpage), WiFi connection QR codes (contains WiFi SSID, password, encryption type, scan to connect WiFi), email QR codes (contains recipient, subject, body, scan to send email), phone call QR codes (scan to make phone call), SMS QR codes (contains phone number and SMS content, scan to send SMS). Each type has corresponding input interface, simple and intuitive operation.

Flexible Customization Options

Supports customizing multiple parameters of QR codes to meet personalized needs: QR code size adjustable (100 to 1000 pixels), supports quick selection of common sizes (200, 300, 400, 500, 600 pixels). Supports custom colors: foreground color (QR code pattern color) and background color can be set through color picker or direct color value input, supports any color combination. Supports error correction level selection (L, M, Q, H four levels), higher error correction level means QR code can withstand more damage, but data capacity will decrease accordingly. All settings can be previewed in real-time, generation speed is fast.

Convenient Download and Share Features

After generating QR code, can immediately download as PNG format image, filename automatically includes QR code type and timestamp for easy management. Supports copying QR code image to clipboard, can directly paste into other applications. QR code display is clear, supports different sizes and color schemes, suitable for printing and online sharing. All operations have clear visual feedback (Toast notifications), smooth user experience. QR code generation process completely completed in browser locally, no data uploaded to servers, completely protecting privacy.

How to Use

  1. 1

    Select QR Code Type and Enter Content

    In the QR code type area, select the type of QR code to generate (text, URL, WiFi, email, phone, SMS), corresponding input interface will appear after selection. Enter corresponding content according to selected type: text type enter any text content; URL type enter website address (e.g., https://example.com); WiFi type enter WiFi name (SSID), password, select encryption type (WPA, WEP, no password); email type enter recipient email, subject, body; phone type enter phone number; SMS type enter phone number and SMS content. At least necessary information must be entered to generate QR code.

  2. 2

    Customize QR Code Parameters (Optional)

    In the QR code settings area, can customize QR code parameters: QR code size can be adjusted through slider or direct number input (100 to 1000 pixels), can also click common size buttons for quick selection. Foreground and background colors can be selected through color picker or direct color value input (e.g., #000000 for black, FFFFFF for white). Error correction level can be selected from L (Low), M (Medium), Q (Quartile), H (High) four levels, higher level means QR code is more damage-resistant but data capacity is smaller. These settings are optional, can use default values to generate directly.

  3. 3

    Generate and Download QR Code

    After entering content and setting parameters, click "Generate" button to generate QR code. After generation completes, QR code will immediately display on page, can preview effect. If not satisfied with result, can adjust parameters and regenerate. After generation, can click "Download" button to save QR code as PNG image to local, filename will automatically include type and timestamp. Can also click "Copy" button to copy QR code image to clipboard, then paste into other applications. Can use "Clear" button to reset all settings, start over. All QR codes generated locally in browser, not uploaded to servers.

Frequently Asked Questions

Can generated QR codes be scanned?
Yes, generated QR codes use standard QR code format, can be recognized by all QR code scanning applications and devices, including mobile phone cameras, dedicated QR code scanning applications, etc. Generated QR codes comply with ISO/IEC 18004 standard with good compatibility. Recommend selecting appropriate error correction level (M or Q) to ensure QR codes can be scanned normally in different environments.
What QR code types are supported?
Supports 6 common QR code types: text QR codes (contains any text content), URL link QR codes (scan to open webpage), WiFi connection QR codes (scan to connect WiFi network), email QR codes (scan to send email), phone call QR codes (scan to make phone call), SMS QR codes (scan to send SMS). Each type has corresponding input interface and format requirements, follow prompts to enter. If needed type is not in list, can use text type and enter corresponding format content in text.
Will my data be uploaded?
No, all QR codes are generated locally in your browser, not saved to any server, and not uploaded to network. QR code generation process is completely completed locally, all data only processed in current page memory. Generated QR code images only exist in browser, can choose to download to local or copy to clipboard, but will not automatically upload. Completely protecting your privacy and data security.

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