数字时钟绘制

功能说明What It Does

数字时钟绘制工具输入任意时间(时:分:秒),即可生成经典七段数码管或现代字体的时钟图片。支持 12/24 时制、AM/PM 标记、显示秒与未点亮段暗显,颜色、尺寸、背景自由调整,导出透明背景 PNG。

This tool renders any time (hours:minutes:seconds) as a classic 7-segment LED or modern-font clock image. It supports 12/24-hour mode, AM/PM, seconds and dim unlit segments, with adjustable colors, size and background, exporting a transparent PNG.

全部在浏览器本地完成,数据不会上传。

Everything runs locally in your browser - nothing is uploaded.

七段显示原理How 7-segment works

每个数字由 a-g 七个发光段组成,例如数字 8 点亮全部七段,数字 1 只点亮右侧两段。开启「显示未点亮段」可以看到未点亮的暗影,更接近真实 LED 硬件。

Each digit is made of segments a-g; for example 8 lights all seven and 1 lights only the two right ones. "Dim unlit segments" shows their faint shadow for a more realistic LED look.

使用步骤How to Use

1. 输入时间,或点「现在时刻」用当前时间。Enter a time, or click "Now" for the current time.
2. 选择风格、时制、颜色与背景。Pick style, hour mode, colors and background.
3. 满意后「导出PNG」。Click "Export PNG" when happy.

常见问题FAQ