xin

Translation approved
[[!toc levels=1]]
[[!toc levels=1]]
9 months ago
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File “wiki/src/doc/sensitive_documents/metadata.bg.po” was added. 10 months ago
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After *mat2* finishes, a copy of your file without metadata is available as <span class="command-placeholder">file.cleaned.ext</span>.
 
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<p class="command-template">mat2 <span class="command-placeholder">file.ext</span></p>
 
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You can also use *mat2* directly on the command line:
 
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*Metadata Cleaner* is a graphical interface for
[*mat2*](https://0xacab.org/jvoisin/mat2).
 
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Removing metadata from the command line
 
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<p>Also, you should save files in simpler formats whenever possible.
For example, instead of saving a text document as a .docx file,
you can save the document as a plain .txt file.</p>
 
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<p>You should remove metadata on any files before you embed them into another
document.</p>
 
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<p>It is impossible to reliably find and remove all metadata in complex file
formats. For example, <i>Microsoft Office</i> documents can contain embedded images,
audio, and other files containing their own metadata that Tails cannot
remove.</p>
 
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<div class="caution">
 
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*Metadata Cleaner* works on many file formats, including:
 
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</div>
 
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<p>If, instead of cleaning your own files, you want to sanitize untrusted
documents shared with you by others, you can install
[[<i>Dangerzone</i>|persistent_storage/additional_software/dangerzone]] as
additional software.</p>
 
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<div class="tip">
 
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Removing metadata using *Metadata Cleaner*
 
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To learn more about how metadata can be used to identify and reveal personal information, see [Behind the Data: Investigating metadata](https://exposingtheinvisible.org/en/guides/behind-the-data-metadata-investigations/).
 
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Changes to the document
 
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The author of the document
 
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The model and serial number of the camera used to take a photo
 
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