iToolsPro

QR Code Generator

Generate QR codes online - turn text, URLs and more into high-res PNG QR codes, with error-correction level, size and color options. 100% local, nothing uploaded.

Content
Error correction
Style
Size
Margin
Colors
Preview
Enter content to generate a QR code
URL · Text · QR

Turn anything into a scannable code

Encode URLs, text, contact info and more into high-res QR codes with custom level, size and colors.

100% local · zero upload

Features

Anything goes
URLs, plain text, email, phone, WiFi and emoji - fully UTF-8 compatible.
Fully customizable
Error-correction L/M/Q/H, sizes 256/512/1024, and custom foreground & background colors.
Runs locally
QR codes are generated in your browser and exported as PNG - nothing is uploaded.

Use cases

🔗 Share links 📶 WiFi login 👤 Contact info 📢 Marketing

二维码生成器使用指南QR Code Generator Guide

了解二维码生成器支持的内容类型、参数选项与常见问题。What this QR code generator does, its options, and answers to common questions.

功能说明What It Does

二维码生成器能把网址、纯文本、邮箱、电话、WiFi 信息等内容编码为二维码,实时预览并下载高清 PNG,支持中文与 emoji。

This generator encodes URLs, plain text, email, phone, WiFi credentials and more into a QR code, with live preview and high-res PNG download, fully supporting Unicode and emoji.

你可以自定义容错等级(L/M/Q/H)、输出尺寸(256/512/1024)、边距以及前景/背景颜色。

Customize the error-correction level (L/M/Q/H), size (256/512/1024), margin and foreground/background colors.

所有编码在浏览器本地完成,内容不会上传到任何服务器。

Everything runs locally in your browser — nothing is uploaded.

容错等级说明Error Correction Levels

容错等级越高,二维码受损后仍可识别的能力越强,但图案越密集。

Higher levels tolerate more damage but produce denser codes.

使用步骤How to Use

  1. 在输入框粘贴网址或文本。Paste a URL or text into the box.
  2. 按需调整容错等级、尺寸、边距与颜色。Adjust level, size, margin and colors as needed.
  3. 预览区实时显示二维码。See the QR code update live.
  4. 点击「下载 PNG」保存到本地。Click "Download PNG" to save it.

常见问题FAQ

Q1. 生成的二维码有使用限制吗?Q1. Are there any usage limits?

没有,完全免费且可无限次生成与下载。No — free and unlimited.

Q2. 支持中文和 emoji 吗?Q2. Does it support Chinese and emoji?

支持,内部采用 UTF-8 编码,中文与 emoji 均可正常识别。Yes, UTF-8 encoded, Chinese and emoji scan correctly.

Q3. 内容会泄露吗?Q3. Is my content leaked?

不会,编码全程在浏览器本地进行,不经过服务器。No — encoding happens entirely on-device.

Q4. 二维码印出来还能扫吗?Q4. Will it scan after printing?

选择 512 或 1024 尺寸并保留适当边距,印刷清晰易扫。Use 512 or 1024 with a proper margin for crisp printed codes.