パッケージ: mat2 (0.13.4-2.1)
Metadata anonymisation toolkit v2
Metadata consist of information that characterizes data. Metadata are used to provide documentation for data products. In essence, metadata answer who, what, when, where, why, and how about every facet of the data that are being documented.
Metadata within a file can tell a lot about you. Cameras record data about when a picture was taken and what camera was used. Office documents like PDF or Office automatically adds author and company information to documents and spreadsheets.
Maybe you don't want to disclose those information.
mat2 only removes metadata from your files, it does not anonymise their content, nor can it handle watermarking, steganography, or any too custom metadata field/system.
If you really want to be anonymous, use file formats that do not contain any metadata, or better: use plain-text.
Formats supported to some extent are:
- Audio Interchange File Format (.aiff) - Audio Video Interleave (.avi) - Electronic Publication (.epub) - Free Lossless Audio Codec (.flac) - Graphics Interchange Format (.gif) - High Efficiency Image Format (.heic, .heif) - Hypertext Markup Language (.html, .xhtml) - Portable Network Graphics (PNG) - JPEG (.jpeg, .jpg, ...) - MPEG Audio (.mp3, .mp2, .mp1, .mpa) - MPEG-4 (.mp4) - Office Openxml (.docx, .pptx, .xlsx, ...) - Ogg Vorbis (.ogg) - Open Document (.odt, .odx, .ods, ...) - Portable Document Fileformat (.pdf) - Portable Pixmap Format (.ppm) - Scalable Vector Graphics (.svg) - Tape ARchive (.tar, .tar.bz2, .tar.gz, .tar.zx) - Torrent (.torrent) - Waveform Audio (.wav) - Windows Media Video (.wmv) - ZIP (.zip)
mat2 provides a command line tool and a graphical user interfaces via a service menu for Dolphin, the default file manager of KDE. Besides, it recommends metadata-cleaner, a GTK app for viewing and cleaning metadata of files.
その他の mat2 関連パッケージ
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- dep: gir1.2-gdkpixbuf-2.0
- GDK Pixbuf ライブラリ - GObject-Introspection
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- dep: gir1.2-poppler-0.18
- poppler-glib の GObject introspection データ
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- dep: gir1.2-rsvg-2.0
- gir files for renderer library for SVG files
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- dep: libimage-exiftool-perl
- library and program to read and write meta information in multimedia files
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- dep: python3
- 対話式の高レベルオブジェクト指向言語 (デフォルト python3 バージョン)
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- dep: python3-cairo
- Cairo ベクタグラフィクスライブラリの Python3 バインディング
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- dep: python3-gi
- gobject-introspection ライブラリ向け Python 3 用バインディング
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- dep: python3-gi-cairo
- GObject ライブラリ向け Python 3 Cairo バインディング
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- dep: python3-mutagen
- audio metadata editing library (Python 3)
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- rec: bubblewrap
- utility for unprivileged chroot and namespace manipulation
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- rec: metadata-cleaner
- GTK app for viewing and cleaning metadata in files
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- sug: ffmpeg
- Tools for transcoding, streaming and playing of multimedia files