PNG 转 GIF 在线转换器

只需 3 步，轻松将您的 PNG 文件转换为 GIF 格式。

GIF⌄

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⚙ 可选设置

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DPI

dpi

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PNG vs GIF：完整格式指南

PNG

Lossless

压缩

GIF

Lossless (LZW)

PNG

Full 8-bit alpha channel — each pixel can be any opacity level from fully transparent (0) to fully opaque (255)

透明度

GIF

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

PNG

Not in standard PNG; APNG (Animated PNG) is a non-standard extension with limited, inconsistent support

动画

GIF

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

PNG

24-bit RGB (16.7M colors) or 32-bit RGBA (16.7M colors + full alpha); up to 48-bit for professional workflows

色彩深度

GIF

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

PNG

100 KB – 10 MB — significantly larger than JPG for photographic content

文件大小

GIF

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

PNG

Universal — all modern browsers, operating systems, and devices including IE7+

浏览器支持

GIF

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

PNG

Graphics, logos, UI

最适合

GIF

Animations, icons

常见使用场景：PNG → GIF

🎬 Animated social content🎭 Pixel art and retro graphics💬 Reaction GIFs for messaging🌐 Universal compatibility fallback

⚠️Full-color PNG photographs converted to GIF will show significant color banding due to the 256-color limit. GIF conversion works best for PNG images that already use fewer than 256 distinct colors.

Format

PNG

PNG was created in 1996 as a free, patent-unencumbered alternative to GIF after Unisys enforced its LZW compression patent. The PNG Development Group introduced full-color support, genuine alpha trans…

优点

+Lossless — every pixel preserved with zero compression artifacts

+Full 8-bit alpha channel for smooth, semi-transparent edges

+Ideal for text, logos, and graphics where sharpness is non-negotiable

+Unlimited re-saves without any quality degradation whatsoever

局限性

−3–5× larger than JPG for photographic content

−No native animation support in standard PNG

−Slower to load than WebP for equivalent image content

−Not practical for very high-resolution photographs at web scale

Logos, icons, and brand marks placed over any background colorScreenshots where text must remain perfectly sharpImages edited in multiple passes (keep as the master file)Web UI elements, buttons, icons, and interface assets

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

格式指南

PNG 转 GIF：完整转换指南

GIF是网络的原生动画格式，在所有浏览器、电子邮件客户端和社交平台上获得通用支持。将PNG帧转换为GIF可以为营销横幅、电子邮件活动和产品演示创建循环动画。虽然GIF限于256色，但这种限制给插图带来了独特的复古美感。

为什么将 PNG 转换为 GIF？

🔄

循环动画

将多个PNG帧链接成平滑的GIF循环，用于横幅、加载指示器和演示。

📧

电子邮件动画

GIF是几乎所有电子邮件客户端（包括Outlook）中播放的唯一动画格式。

📱

社交媒体

Twitter、Facebook和LinkedIn自动播放GIF文件——非常适合参与内容。

🎨

像素艺术

GIF的256色调色板和小尺寸使其非常适合像素艺术和复古风格图形。

PNG

文件扩展名.png
描述PNG (Portable Network Graphics) is a lossless raster image format that supports transparency. Ideal for graphics, logos, icons, and images that require a transparent background.
相关程序Adobe Photoshop, GIMP, Microsoft Paint, Preview (Mac)
开发者PNG Development Group
MIME 类型image/png

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