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---
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meta_title: "使用中繼資料清除器和數據編輯工具移除個人識別資料 - Privacy Guides"
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title: "資料和中繼資料處理"
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icon: material/tag-remove
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description: 使用這些工具來移除所分享的相片和文件中的GPS定位和其他識別資訊等中繼資料。
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cover: data-redaction.webp
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---
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<small>防護下列威脅:</small>
- [:material-account-search: 公共曝露 ](basics/common-threats.md#limiting-public-information "" ){.pg-green}
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分享檔案時,請務必移除相關的中繼資料。 映像文件通常包含 [Exif ](https://en.wikipedia.org/wiki/Exif ) 數據。 照片有時甚至在文件元數據中包含GPS坐標。
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<div class="admonition warning" markdown>
<p class="admonition-title">警告</p>
您 **永遠不應 ** 透過模糊文字的方式來遮蓋 [圖片中的文字 ](https://bishopfox.com/blog/unredacter-tool-never-pixelation )。 If you want to redact text in an image, you should draw a box over the text.
</div>
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## MAT2
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<div class="admonition recommendation" markdown>
{ align=right }
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**MAT2** is free, cross-platform software which allows you to remove metadata from image, audio, torrent, and document file types. 它提供命令行工具和圖形用戶界面擴展給 [Dolphin ](https://0xacab.org/jvoisin/mat2/-/tree/master/dolphin ),其為[KDE ](https://kde.org )的預設檔案管理器。
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[:octicons-repo-16: Repository ](https://0xacab.org/jvoisin/mat2 ){ .md-button .md-button--primary }
[:octicons-info-16: ](https://0xacab.org/jvoisin/mat2/-/blob/master/README.md ){ .card-link title="Documentation" }
[:octicons-code-16: ](https://0xacab.org/jvoisin/mat2 ){ .card-link title="Source Code" }
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<details class="downloads" markdown>
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<summary>下載</summary>
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- [:fontawesome-brands-windows: Windows ](https://pypi.org/project/mat2 )
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- [:simple-apple: macOS ](https://0xacab.org/jvoisin/mat2#requirements-setup-on-macos-os-x-using-homebrew )
- [:simple-linux: Linux ](https://pypi.org/project/mat2 )
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- [:octicons-globe-16: 網頁版 ](https://0xacab.org/jvoisin/mat2#web-interface )
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</details>
</div>
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## ExifEraser (Android)
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<div class="admonition recommendation" markdown>
{ align=right }
**ExifEraser** 是 Android 的現代無需許可的圖像中繼資料擦除應用程式。
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它目前支援JPEG , PNG和WebP 檔案格式。
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[:octicons-repo-16: Repository ](https://github.com/Tommy-Geenexus/exif-eraser ){ .md-button .md-button--primary }
[:octicons-info-16: ](https://github.com/Tommy-Geenexus/exif-eraser#readme ){ .card-link title="Documentation" }
[:octicons-code-16: ](https://github.com/Tommy-Geenexus/exif-eraser ){ .card-link title="Source Code" }
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<details class="downloads" markdown>
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<summary>下載</summary>
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- [:simple-googleplay: Google Play ](https://play.google.com/store/apps/details?id=com.none.tom.exiferaser )
- [:octicons-moon-16: Accrescent ](https://accrescent.app/app/com.none.tom.exiferaser )
- [:simple-github: GitHub ](https://github.com/Tommy-Geenexus/exif-eraser/releases )
</details>
</div>
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被清除的元資料取決於影像的檔案類型:
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- **JPEG**:可清除 ICC Profile、Exif、Photoshop Image Resources 和 XMP/ExtendedXMP 等中繼資料。
- **PNG**:可清除 ICC Profile、Exif和XMP等中繼資料。
- **WebP**: 可清除 ICC Profile、Exif 和XMP 等中繼資料。
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處理完影像後, ExifEraser會為您提供一份完整的報告, 說明每張影像中究竟刪除了哪些內容。
該應用程式提供了多種方式來清除圖像中的中繼數據。 亦即:
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- 您可以使用 ExifEraser 分享其他應用程式的圖片。
- 通過應用程式本身,可以一次選擇單個圖片,多個圖片,甚至是整個目錄。
- 它具有“相機”選項,該選項使用操作系統的相機應用程式拍攝照片,然後從中刪除中繼數據。
- 在分割視窗模式下,它可以從另一個應用程式拖放圖片到 ExifEraser 。
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- 最後,它允許您從剪貼板黏貼圖像。
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## Shortcuts (iOS & macOS)
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On iOS and macOS, you can remove image metadata without using any third-party apps by creating a [**shortcut** ](https://apps.apple.com/app/id915249334 ) for this purpose. Here is an example shortcut you can download to use as is:
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[:material-tag-minus: Clean Image Metadata ](https://icloud.com/shortcuts/fb774ddb7b5b4296871776c67ac0fff9 "" ){.md-button}
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You can also use it as a model for your own shortcut; just make sure that the **Preserve Metadata ** option under the **Convert ** action is unchecked. Once added, you can access the shortcut in the share sheet that appears when you select the :octicons-share-24: Share button. You can select multiple images and invoke the shortcut to remove their metadata all at once.
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This shortcut removes metadata such as location, device model, lens model, and other camera information. It also sets the image creation date to the time the shortcut was used.
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## ExifTool (CLI)
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<div class="admonition recommendation" markdown>
{ align=right }
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**ExifTool** is the original Perl library and command-line application for reading, writing, and editing meta information (Exif, IPTC, XMP, and more) in a wide variety of file formats (JPEG, TIFF, PNG, PDF, RAW, and more).
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It is often a component of other Exif removal applications and in most Linux distribution repositories.
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[:octicons-home-16: Homepage ](https://exiftool.org ){ .md-button .md-button--primary }
[:octicons-info-16: ](https://exiftool.org/faq.html ){ .card-link title="Documentation" }
[:octicons-code-16: ](https://github.com/exiftool/exiftool ){ .card-link title="Source Code" }
[:octicons-heart-16: ](https://exiftool.org/#donate ){ .card-link title="Contribute" }
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<details class="downloads" markdown>
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<summary>下載</summary>
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- [:fontawesome-brands-windows: Windows ](https://exiftool.org )
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- [:simple-apple: macOS ](https://exiftool.org )
- [:simple-linux: Linux ](https://exiftool.org )
</details>
</div>
<div class="admonition example" markdown>
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<p class="admonition-title">從檔案目錄中刪除資料</p>
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```bash
exiftool -all= *.file_extension
```
</div>
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## 標準
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**請注意,我們與推薦的任何項目均無關。**除了[我們的通用標準 ](about/criteria.md )外,我們還制定了一套明確的要求,以便我們能夠提供客觀的建議。 我們建議您在選擇使用項目之前先熟悉此列表,並進行自己的研究,以確保它是您的正確選擇。
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- 為開源作業系統開發的應用程式必須是開源的。
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- 應用程式必須是免費的,不應包含廣告或其他限制。