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作者： The next good software
Link: https://zhuanlan.zhihu.com/p/556650647
來源：知乎

「Windows篇」 4 款圖片壓縮工具推薦 / 谷歌開源項目

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圖片壓縮在工作中經(jīng)常會用到，例如 PPT 里面圖片素材體積太大的話，會導(dǎo)致 PPT 文件太大，打開速度太慢。又或者網(wǎng)站的圖片體積太大，影響訪問速度，用戶體驗下降，所以就得給圖片進(jìn)行壓縮體積，并且不會損失圖片太大的質(zhì)量。

So what image compression tools are easy to use? The following Feng Ge found 4 free picture compression tools for everyone, among which Google's Squoosh free open source tools are strongly recommended.

TinyPNG

TinyPNG is a well-known online image compression site, it does not provide compression ratio for you to choose, will automatically help you to choose a better compression ratio according to the image quality, the image will not appear obvious loss of quality.

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不過免費(fèi)用戶圖片限制最大 5MB，超過的話就需要購買 PRO 版了。之前鋒哥給大家分享過第三方的 TinyPNG 客戶端，利用官方的 API 接口，只要通過 API KEY 就沒有最大 5MB 限制了。

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注意的是，每個 API 每月有 500 張圖片免費(fèi)額度，如果你不夠用的話，再換個郵箱去申請 KEY 就好了。另外客戶端支持壓縮后直接替換原圖的功能。

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Imagine

Imagine an open source, free and practical picture compression tool, support the current mainstream picture formats, including WebP, PNG, JPEG, as long as drag-and-drop pictures to the software interface can be automatically compressed, and can see the compression ratio, support free adjustment of compression size.

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Compressed pictures support batch export, which can overwrite the source files or export to a new directory. Generally speaking, it is simple and convenient, and is suitable for non-heavy picture compression users.

Graphic pressure

Tupressure is a free and easy-to-use picture compression software, and also supports Windows/macOS dual platforms. The official said that it is a work developed based on excellent open source projects, so Tupressure is also free and open source, but there is no open source code. If you need source code, you can apply in the official message feedback.

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Graphic pressing currently supports JPG, PNG, GIF and SVG, which are the four most common picture formats. The operation is very simple, and the picture will be automatically compressed after being dragged into the "Graphic pressing" interface.

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Squoosh

Squoosh is a free, open source image compression tool from Google Chrome Labs, which is easy to use and has a very high compression ratio. In addition, the supported setting options include width, height, aspect ratio, palette and other parameters of the picture, and can also compress the picture into JPG, WebP and PNG and other picture types.

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Because Squoosh is an open source project and provides API support, some people have made an offline client version at present, so it can be used directly locally, which is more convenient.

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The functionality is basically the same as the Squoosh online version, although you can deploy your own hosting project if you have your own VPS server.