Maybe this would help -- On the Mac platform, Lemkesoft's GraphicConverter is one of the oldest and most versatile graphic media format conversion programs (AND a good photo editor) -- it currently works with 60+ formats and explicitly allows removing OR modifying METADATA in batch mode.
www.lemkesoft.com or write to the author, Thorsten Lemke at [email protected] There are a dozen or more language versions of GraphicConverter -- it's modestly priced. bruce - - - - - - - On Jul 17, 2013, at 12:28 PM, Fabio Pietrosanti (naif) <[email protected]> wrote: > Hi all, > > i've been thinking about the topic of metadata cleanup of files from an > implementation point of view. > > Regardless the consideration whether it's something useful or not for a > Whistleblowing platform (GlobaLeaks), i've been considering whenever the > "Metadata Cleanup" can't be approached by "File Format Conversion". > > If i'd like to remove metadata from various documents formats (pdf, word, > ppt, excel, etc) or image file, i've been thinking that rather then > "explicitly removing metadata" a possible different approach would be by > doing a "file convertion" . > > If a JPEG is converted to PNG, "maybe" all metadatas are lost. (this has to > be verified) > If a DOC/DOCX is converted to a PDF, maybe all metadatas are lost. > > At GlobaLeaks we've been discussing about introducing "metadata cleanup" [1] > , but also a "file sterilization" [2] with the goal to protect Receivers of a > Whistleblowing site against targeted 0day attacks. > > Should we approach "metadata cleanup" by doing the "file sterilization" > processing trough existing Libreoffice convertion API [3] to save engineering > effort/time? > > > [1] Metadata Cleanup https://github.com/globaleaks/GlobaLeaks/issues/305 > [2] File Sterilization https://github.com/globaleaks/GlobaLeaks/issues/270 > [3] Libreoffice Convertion API https://github.com/dagwieers/unoconv > > -- > Fabio Pietrosanti (naif) > HERMES - Center for Transparency and Digital Human Rights > http://logioshermes.org - http://globaleaks.org - http://tor2web.org > > -- > Too many emails? Unsubscribe, change to digest, or change password by > emailing moderator at [email protected] or changing your settings at > https://mailman.stanford.edu/mailman/listinfo/liberationtech
-- Too many emails? Unsubscribe, change to digest, or change password by emailing moderator at [email protected] or changing your settings at https://mailman.stanford.edu/mailman/listinfo/liberationtech
