BMP（位图图像文件）
BMP 是 Microsoft Windows 原生的未压缩光栅图像格式。它以无压缩方式存储像素数据，因此文件非常大，但质量完全无损。BMP 主要用于 Windows 系统图形和图像处理过程中的中间格式。
MIME 类型
image/bmp
类型
二进制
压缩
无损
优点
- + Zero compression means zero quality loss
- + Simple format easy to read and write programmatically
- + Native Windows support without external libraries
缺点
- − Extremely large file sizes
- − Not suitable for web delivery
- − Limited browser support outside Windows
何时使用 .BMP
仅在需要未压缩像素数据时使用 BMP，例如 Windows 系统编程或作为无损中间格式。
技术细节
BMP 以设备无关位图格式存储像素数据，可选择性地使用 RLE 压缩。它支持 1 位到 32 位色深，包括 8 位 Alpha 通道。
历史
BMP 于 1985 年随 Windows 1.0 一起推出，是 OS/2 和 Windows 平台的原生图像格式。它经过多次更新，最新版本支持 ICC 色彩配置文件。
从 .BMP 转换
转换为 .BMP
相关格式
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