Convert BMP to GIF — GIFs for Chat, Email and Web
Convert BMP to GIF online for a simple GIF for chat, email and the web. No software to install. Preview one free or batch-convert with Premium.
Drop your BMP file or click to browse
Why convert BMP to GIF?
- GIF files are usually smaller than BMP for the same picture, so pages load faster and uploads finish sooner.
- GIF is supported far more widely than BMP, so the file is easier to open, share and upload.
- GIF is made for short animations, stickers and flat-color graphics.
What to expect when converting BMP to GIF
- GIF 每帧最多显示 256 种颜色，因此照片和渐变会被抖动处理，并可能出现色带。
- 您原来的 BMP 文件不会被更改：您下载的是一份新的 GIF 副本。
BMP 与 GIF 对比
| 功能 | BMP | GIF |
|---|---|---|
| 全名 | Windows 位图 | Graphics Interchange Format |
| 来源 | Created by Microsoft for Windows | Introduced by CompuServe in 1987 |
| 压缩 | 未压缩 | 无损，但仅限 256 种颜色 |
| 透明度 | No (in the 24-bit BMPs most apps read) | 只有开/关（一种透明色） |
| 动画 | 否 | 是 |
| 颜色 | 1670 万种颜色（24 位） | 每帧最多 256 种颜色 |
| 可用什么打开 | Windows and macOS apps, older software and browsers | All browsers, email apps and messaging apps |
| 最适合 | older Windows programs, embedded devices and tools that need raw pixels | 短动画、贴纸和纯色图形 |
| 主要缺点 | very large files and no transparency | 仅 256 种颜色，且透明只有开/关两种状态 |
In short: choose BMP for older Windows programs, embedded devices and tools that need raw pixels; choose GIF for short animations, stickers and flat-color graphics.
Frequently asked questions
- How do I convert BMP to GIF?
- Upload your BMP file above. It is converted to GIF automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.
- Does converting BMP to GIF lose quality?
- GIF 每帧仅限 256 种颜色，因此照片会损失色彩细节；颜色较少的图形则能干净地转换。
- BMP or GIF: which should I use?
- Use BMP for older Windows programs, embedded devices and tools that need raw pixels. Use GIF for short animations, stickers and flat-color graphics. Keep in mind the main drawback of GIF: only 256 colors and on/off transparency.
- 什么是 BMP 文件？
- BMP 存储像素时完全不压缩。文件很大，但那些读不了现代格式的老旧或简单软件通常都能读取 BMP。
- Is the BMP to GIF converter free?
- Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.
使用 BMP 转 GIF 可以做什么
在开始之前查看主要功能。
- Convert BMP files to GIF online
- Keep animation when the source is an animated GIF or WebP
- Switch to any other output format in Settings
- Batch-convert many BMP files into one ZIP
- Preview the result before you download
设置参考
5 个设置
BMP 转 GIF 的可用控件。
设置
- 输出格式下拉框
- Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.选项: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
- 质量滑块范围: 20–100 · 默认: 90
- For JPG, WebP, AVIF and image-to-PDF output: higher keeps more detail but makes a bigger file; 60–80 suits most photos. Documents (Publisher, XPS, EPS…) become PDFs with every page and sharp text, with no quality setting.
- 无损模式开／关
- For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
- 背景填充取色器
- 适用于无法存储透明度的 JPG、BMP 和图片转 PDF 输出：用于填充透明区域的颜色（默认为白色）。
模式
- 单个文件 / 批量下拉框
- 使用共享设置处理一个文件或一批文件。批量结果下载为一个 ZIP。选项: 单个文件批量
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