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在线 PNG 元数据编辑器

从 PNG 个文件中读取、提取和编辑元数据

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PNG (图像)

PNG（Portable Network Graphics）是一种光栅图像格式，使用无损压缩，诞生于取代受版权限制的 GIF。虽然不支持动画，PNG 能在不降低图像质量的前提下保存图像，已成为最常用的图像格式之一。大多数操作系统和软件（包括 Windows 默认查看器）均支持 PNG。

About PNG metadata

在线管理和操作 PNG 元数据。我们的元数据引擎支持所有流行的文档格式。无需额外安装软件。

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How to 编辑元数据 PNG online

How to
  1. 1. 在放置区域内单击或拖放文件。
  2. 2. 等待上传和处理完成。
  3. 3. 上传和文件处理完成后，您将看到结果页面。
  4. 4. 从结果页面点击编辑元数据按钮开始使用您的 PNG 文档元数据。
  5. 5. 您还可以通过复制链接或电子邮件共享您的文件。

FAQ

首先，您需要上传一个文件：拖放您的文件或在上传区域内单击以选择一个文件以开始处理。处理完成后，单击元数据按钮以查看和编辑您的文档元数据。

详细的代码示例以可执行项目的形式在 GitHub 上提供。

完成并保存元数据更新后，您可以通过单击元数据编辑器应用程序顶部面板上的下载按钮来下载更新版本。

允许上传和转换的最大文件大小为 20 Mb。

当然，单击位于元数据属性部分右上角的加号图标。将添加一个新属性，通过选择一种可能的类型来设置其类型，并为新的 PNG 元数据属性设置一个值。

是的，在 PNG 元数据编辑器中打开 PNG 文档，然后单击位于元数据编辑器右上角的垃圾桶图标。

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