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转变 JPEG 至 GIF

转换你的 JPEG 至 GIF 毫不费力地记录文件

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如何转换 JPEG 至 GIF

第一步:上传您的 JPEG 使用上方按钮或拖放方式上传文件。

步骤 2:点击“转换”按钮开始转换。

步骤 3:下载转换后的文件。 GIF 档案


JPEG 至 GIF 转换常见问题解答

How do I convert JPEG to GIF for the modern web?
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Drop your JPEG file into the picker and our encoder produces a GIF output tuned for web delivery: quality factor 80 by default (a Lighthouse sweet-spot), correct color space, and an Accept-aware fallback you can ship behind a `<picture>` element alongside the original JPEG.
Almost always when going from PNG / JPG / TIFF into WebP or AVIF: expect 25-50% smaller than JPG at the same visual quality, 60-90% smaller than PNG. Going the other way (WebP / AVIF back to GIF = PNG / JPG) typically grows the file because you are leaving a more modern codec for an older one — useful for compatibility, not size.
Transparency survives when GIF supports alpha (PNG, WebP, AVIF, GIF, TIFF, SVG). Converting to JPG flattens the alpha channel onto white — if you need transparency on the modern web target WebP or AVIF instead of GIF.
Yes for GIF formats that store ICC profiles (PNG, JPG, WebP, AVIF, TIFF). Modern wide-gamut profiles like Display P3 round-trip through WebP and AVIF; sRGB profiles round-trip through every common GIF. If GIF cannot store a profile, output is tagged sRGB to keep browsers from guessing.
Lossy GIF (WebP / AVIF / JPG) accepts a quality 1-100, default 80. Lossless GIF (PNG / WebP lossless / TIFF) does not take a quality dial — every pixel is preserved. WebP and AVIF are the only formats that can do either, which is why they are ideal GIF targets when source JPEG mixes photos and graphics.
At quality 80+ on WebP / AVIF the difference is invisible to anyone but a trained eye even at 3x device pixel ratio. Photos compress slightly more visibly than line art; if your JPEG is screenshots or UI mockups, push quality to 90 or use a lossless GIF.
Animated JPEG (animated WebP, GIF, APNG) survives only when GIF is also animation-aware (animated WebP, GIF, APNG). Converting an animated JPEG to a static GIF (PNG, JPG, AVIF still) yields just the first frame — use a dedicated animation converter if you need to keep all frames.
Yes by default when both JPEG and GIF support EXIF (JPG, PNG, WebP, TIFF, HEIC). Camera fields (ISO, shutter, lens, GPS) are copied through. Use the "strip metadata" option if you are publishing to the web and want to drop GPS coordinates before GIF leaves your browser.
Yes — drop multiple JPEG files at once and they encode in parallel. Free accounts: 100 MB per file. Pro accounts get more parallel workers and bigger per-file caps, so a 200-image gallery typically finishes in well under two minutes.
Yes — uploaded JPEG files are processed in isolated workers and deleted within minutes. No human reviews the pixels, no copy is retained, no third party gets a feed. See /privacy/ for the precise retention window.
Use a `<picture>` element: `<picture><source srcset="image.GIF" type="image/GIF"><img src="image.JPEG" alt=""></picture>`. Browsers that understand GIF fetch the smaller file; older browsers fall back to JPEG. WebP is supported in 96%+ of installed browsers, AVIF in 90%+.
A JPEG that is already heavily compressed (low-quality JPG) often grows when re-encoded into a lossless GIF (PNG / TIFF). A high-bitrate lossless JPEG (PNG / TIFF) often shrinks 60-90% when going to a lossy modern GIF (WebP / AVIF). Image content matters too — photos compress very differently from line art and screenshots.

JPEG

JPEG 使用针对照片优化的有损压缩,在质量和文件大小之间取得平衡。

GIF

GIF 文件支持动画和有限的调色板,非常适合简单的动画、表情包和图标。


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