Create QR codes for URLs, WiFi, contacts, email and more. Generate barcodes and download high-quality images — free and instant.
二维码生成器Instant Generation
High-quality Downloads
Many QR Types
Private
UtilityAdda QR tools let you generate scannable codes for websites, plain text, WiFi networks, vCards, email addresses, and phone numbers. Also create standard barcodes for products, events, and inventory labels.
Customize size and format, preview the code, and download PNG for print or digital use. No watermark, no account — ideal for menus, business cards, event posters, and packaging.
General QR generators and specialized WiFi, contact, and barcode utilities.
生成 CODE128、EAN13、UPC 等条形码格式。
Open生成用于物流和零售的 Code 128 条形码。
Open创建 EAN-13 零售产品条形码。
Open创建紧凑型 EAN-8 产品条形码。
Open生成北美零售 UPC-A 条形码。
Open生成压缩 UPC-E 条形码。
Open生成用于库存标签的 Code 39 条形码。
Open生成 ITF-14 运输集装箱条形码。
Open生成高密度 PDF417 二维条形码。
Open生成紧凑型 Data Matrix 二维条形码。
Open使用摄像头或上传图片扫描二维码。
Codes appear as you type — no waiting or email verification.
Export crisp PNG suitable for print and screens.
URL, text, WiFi, vCard, email, phone and barcode formats.
Content is encoded locally; we do not track what you generate.
Link tables to your online menu with a printed QR code.
Generate WiFi QR codes so visitors connect without typing passwords.
Add a vCard QR so contacts save your details in one scan.
Create barcodes for SKU tracking and retail packaging.
URL, WiFi, vCard, text, or barcode — pick the matching tool.
Fill in the link, credentials, or contact fields.
Save PNG and place it on print or digital materials.