“图像不应该那么模糊。当你放大图像时，PowerPoint 会自动模糊，看起来很糟糕。有没有什么办法可以让它不模糊？”-Reddit
好吧，如果你想解决你的问题，我们会帮助你。在这篇文章中，我们将为你提供如何在 PowerPoint 上去除图片模糊的详细说明。这样，你仍然可以获得最佳的图像质量。除此之外，你还将了解软件上图像变得模糊的各种原因。我们鼓励你阅读这篇文章的所有内容，并了解更多关于去除图片模糊的最有效方法。 在 PowerPoint 上取消模糊图像.
第 1 部分。为什么 PowerPoint 中的图像会变得模糊
Before fixing the issue, it helps to understand why PowerPoint degrades your visuals:
- Automatic Compression: To keep presentation file sizes low, PowerPoint compresses images automatically during the saving process.
- Low Source Resolution: Stretching a small or low-resolution image across a large slide forcibly introduces pixelation.
- Copy-and-Paste Degradation: Dragging or pasting images directly from the web to PowerPoint often copies lower-quality cache files rather than the original source asset.
- Lossy Formats: Formats like JPEG degrade with every save. Lossless formats (like PNG) hold their crispness much better.
第 2 部分。如何在 PowerPoint 上取消模糊图像
如果您想在 PowerPoint 上去除图像模糊，可以使用多种方法。因此，要找到实现目标的最佳解决方案，请参阅本节中的所有教程。
方法 1：禁用“不压缩”选项
As we have discussed, the PowerPoint program can automatically compress the image you inserted. So, if you want to prevent this type of action, you should prevent it from compressing photos. To do that, you can follow the simple steps below.
第1步打开你的 微软幻灯片软件 软件并继续 文件 > 选项 部分。之后， PowerPoint 选项 窗口将显示在您的屏幕上。
第2步之后，前往 先进的 > 图像大小和质量 options. Then, enable the 不压缩图像 选项。
第 3 步勾选 好的 下面的按钮保存并应用最终流程的更改。
方法 2：更改默认分辨率
For the second method to unblur an image on PowerPoint, we will change the default resolution. To unblur the photo in PowerPoint, the best thing to do is to set the resolution setting to a High Fidelity option. So, if you want to proceed with the process, see the method below.
第1步After you launch the PowerPoint software, click the 文件 button in the top left corner and select 选项 从左侧界面。
第2步当 PowerPoint 选项 window appears, click the 先进的 按钮并选择 图像大小和质量 选项。
第 3 步点击 默认分辨率 button and choose the High-Fidelity option. Once done, click the 好的 button to apply the changes. If you want to 提高图像的分辨率，则可以用这个方法。
方法3：调整图像清晰度
For our last method, you can use the sharpness feature to improve your blurry image. It has a simple process, making it an ideal way for beginners. Follow the steps below to start fixing blurry images in PowerPoint.
第1步The first thing to do is to insert the image into PowerPoint. Locate your presentation, go to the 插入 > 图片 > 这个设备 添加图像的选项。
第2步右键单击图像并点击 格式化图片 选项，右侧界面会出现各项功能。
第 3 步点击 图片 button and proceed to the 图片校正 部分。然后，选择 锐度 功能并使用滑块调整图像的清晰度。完成后，您可以将演示文稿保存到 文件 > 另存为 选项。
Pro-Tips to Maintain Crisp Presentation Visuals
- Use Lossless Formats: Always lean toward PNG 或者 TIFF files when transparency and sharp lines are critical.
- Insert, Don't Paste: 采用 插入 > 图片 > 这个设备 instead of Ctrl+C / Ctrl+V from a browser to preserve original metadata and quality.
- Match Aspect Ratios: Avoid stretching images manually via the side handles. Hold Shift while dragging corners to scale proportionally.
- Enhance Before Adding: You can use an AI像素增强器 to enhance the photo before adding it to PowerPoint. It will make the visual better.
第 3 部分。免费在线去除图像模糊的方法
What if the image itself is too small or blurry? Tweak all the settings you want in PowerPoint, but it won’t recreate missing pixels. Moreover, it is too complicated to adjust each photo one by one on PowerPoint.
That's where AVAide 图像升频器 Online comes in. It's a free, browser-based tool that uses AI to fix blurry photos for PowerPoint instantly.
AVAide 图像升级器的主要特点：
- 8× Enhancement: It doesn't just stretch your photo; it uses AI Upscaling to upscale it up to 2×, 4×, 6×, or 8× its original size.
- 100% Free & No Watermarks: You get clean, high-resolution downloads without any hidden costs or annoying logos.
- Super Simple: You don't need photo editing skills. The AI handles the heavy lifting in one click.
第1步使用权 AVAide 在线图像升级器 在您的浏览器上。点击 上传您的图片 button to add your photos to this online tool. You can also click the 批 button to add multiple photos.
第2步Now, you can select a desired magnification, like 2X, 4X, 6X, and even 8x. Then, click the 保存 button to fix your blurry photo for PowerPoint and save the photo to your local storage.
Part 4. FAQs of Unblurring Image in PowerPoint
How do I uncompress a picture in PowerPoint?
Launch your PowerPoint software, and then click 文件 > 选项 > 先进的 > 图像大小和质量. Then, enable Do not compress images in file.
Can a blurred photo be unblurred?
If a photo is manually blurred, it is very difficult to unblur it. Simply upscaling the resolution or increasing sharpness may not help, and you may need to use AI tools to "create" new pixels for the photo.
How do I soften an image in PowerPoint?
Click on the image to select it. Go to the 图片格式 tab at the top of your screen. Click Picture Effects (in the Picture Styles group), hover over Soft Edges, and choose a preset percentage (e.g., 5 Point, 10 Point, etc.) to see it blend instantly.
This post shows you three official ways to fix blurry images in PowerPoint. You can also learn some tips to keep the high quality of your photos. However, if your photo is too small, those features in PowerPoint cannot help you, so you can use AVAide 图像升频器 to directly upscale photos before you add them to your presentation.
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