GIF 转 BMP 在线转换器

只需 3 步，轻松将您的 GIF 文件转换为 BMP 格式。

BMP⌄

Your file will be uploaded to DigitalOfficePro storage. By using this service, you agree to the DigitalOfficePro Terms of Use.

⚙ 可选设置

Resize

Color Filter

DPI

dpi

Crop (px)

GIF vs BMP：完整格式指南

GIF

Lossless (LZW)

压缩

BMP

None

GIF

Binary 1-bit transparency only — each pixel is either fully transparent or fully opaque (no partial transparency)

透明度

BMP

Only in 32-bit BMP via BITMAPV4/V5HEADER alpha channel — inconsistently supported by applications

GIF

Core feature — stores multiple frames with individual display timings, loop count, and optional per-frame color palettes

动画

BMP

Not supported

GIF

8-bit only — maximum 256 colors per frame (each frame may have its own 256-color palette)

色彩深度

BMP

1-bit monochrome to 32-bit RGBA — most common use is 24-bit (16.7 million colors)

GIF

10–200 KB for static GIFs; 0.5 MB – 20 MB for animated GIFs

文件大小

BMP

3 MB – 25 MB per image — a 1920×1080 24-bit BMP is approximately 5.9 MB

GIF

Universal — all browsers including IE5, all operating systems, all mobile devices, all social media platforms

浏览器支持

BMP

Technically supported by most browsers but virtually never used on the web due to enormous file sizes

GIF

Animations, icons

最适合

BMP

Legacy Windows apps

常见使用场景：GIF → BMP

⚙️ Legacy software compatibility🔧 Hardware display systems

⚠️GIF to BMP conversion removes animation (only the first frame is exported), eliminates all compression, and greatly increases file size. Use only when a specific legacy system requires BMP input.

Format

GIF

GIF was invented by CompuServe engineer Steve Wilhite in 1987 for transmitting images over slow modem connections. Its 256-color limit reflected the monitor technology of that era. A 1990s patent disp…

优点

+Universal support on every device and platform ever made

+Animation support with per-frame timing and seamless looping

+Excellent LZW compression for images with large areas of solid color

+Binary transparency works cleanly for logos on solid backgrounds

局限性

−Hard 256-color limit causes visible banding and dithering on photographs

−Binary transparency only — no anti-aliased edges on variable backgrounds

−Animated GIFs are very large compared to animated WebP or MP4 video

−Color quantization permanently destroys photographic color quality

Simple animations requiring universal cross-platform compatibilityIcons and logos using 16 or fewer distinct solid colorsReaction GIFs and memes where universal sharing compatibility is essentialPixel art and intentionally retro-styled graphics

Format

BMP

BMP (Device-Independent Bitmap) was introduced by Microsoft with the Windows 3.0 SDK in 1990 as the native raster format for Windows. It stores pixel data with zero compression, ensuring perfect repro…

优点

+Zero compression artifacts — the highest possible fidelity for raw storage

+Simple, well-documented format trivial to read/write programmatically

+Universal support across all Windows software and development tools

+Direct pixel data access with no decoding overhead

局限性

−Extremely large files — a 1080p image is ~6 MB vs ~300 KB as JPG

−No practical web use — impractically large for any internet delivery

−Limited support outside Windows ecosystem

−No meaningful advantages over PNG for any modern use case

Legacy Windows applications that exclusively require BMP formatAutomated Windows image processing pipelines as an intermediate formatSystem resource files (wallpaper, specific application bitmaps)When absolute raw pixel fidelity is needed and file size is irrelevant

关于 GIF 到 BMP 的转换

BMP是Windows原生应用程序和某些旧版或嵌入式系统使用的简单未压缩格式。将GIF转换为BMP会删除所有编码层，以生成系统可以无需解码器直接读取的原始像素数据。

主要优势

旧版游戏引擎

为基于图块的地图编辑器和RPG Maker等经典游戏引擎提供BMP输入。

Windows系统主题

从GIF源图像创建Windows兼容的壁纸、光标或启动屏幕。

嵌入式显示输入

为只接受BMP格式的嵌入式显示控制器提供原始像素数据。

工业HMI系统

将图形导入到只接受BMP作为唯一格式的SCADA和HMI系统中。

⚠️

Note: 动画GIF只有第一帧被转换为BMP。GIF中的透明像素在BMP输出中将变为白色——BMP不支持透明度。

如何将 GIF 转换为 BMP？

上传您的 GIF 文件

点击「选择文件」或将您的 GIF 图片拖放上传。

选择 BMP 作为输出格式

从下拉菜单中选择「BMP」作为所需输出格式。

转换文件

点击「立即转换」开始将 GIF 文件转换为 BMP。

下载 BMP 文件

转换完成后，下载您已转换的 BMP 文件。

GIF

文件扩展名.gif
描述GIF supports up to 256 colors and lossless data compression. Widely used for animations on the web.
相关程序Adobe Photoshop, GIMP, Preview (Mac), Most Web Browsers
开发者CompuServe
MIME 类型image/gif

BMP

文件扩展名.bmp
描述BMP (Bitmap) stores uncompressed bitmap digital images independently of the display device. Large file sizes but no quality loss.
相关程序Microsoft Paint, Adobe Photoshop, GIMP, MS Photo Editor
开发者Microsoft
MIME 类型image/bmp