From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 24B021381F3 for ; Thu, 5 Sep 2013 15:43:57 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id BC39EE0D15; Thu, 5 Sep 2013 15:43:50 +0000 (UTC) Received: from mail-pd0-f178.google.com (mail-pd0-f178.google.com [209.85.192.178]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id A62E3E0C4B for ; Thu, 5 Sep 2013 15:43:49 +0000 (UTC) Received: by mail-pd0-f178.google.com with SMTP id w10so1970879pde.37 for ; Thu, 05 Sep 2013 08:43:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=B3uOe/DJ5BGzhTE9W96FdLLF3cZ/9KsDMiDOSq2tn1U=; b=bF7JFMNpGvk2AZudU4ZyZJxxt95/vmyiSgSjhYh+CgwpvA1CtIOSlpkbLSJxFVWTsT vM5kf+a4OAdWnUR5PxWr9DdWkaZ3e18oHGyWsb/J0/L8zA0IAYkLx2LD0rch0IbHNNXD araUgTzO+JssApMo9R+ffLS7fQY+5u6SBE0ymnE4mP++tZFF4epr5zfxkXUoDKpkFJAi dIyUZ2bDnYBa0ZyvOtm/1KYu5mrfjPnqgKEpzdE56l5on1oDYXYZUMuUBJ71f1ReZaRW kIcGIJ6PzNaJECRzUNAvgUfbLw8nJDJkq1r1OekOJVI6KqBLHPS4nByuCi67GTmoUAHg Q5ZA== X-Received: by 10.66.149.231 with SMTP id ud7mr10177046pab.8.1378395828579; Thu, 05 Sep 2013 08:43:48 -0700 (PDT) Received: from [192.168.247.60] (76-10-184-25.dsl.teksavvy.com. [76.10.184.25]) by mx.google.com with ESMTPSA id yk1sm37651231pac.15.1969.12.31.16.00.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 05 Sep 2013 08:43:47 -0700 (PDT) Message-ID: <5228A69B.5010900@gmail.com> Date: Thu, 05 Sep 2013 08:43:23 -0700 From: Daniel Frey User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130825 Thunderbird/17.0.8 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] {OT} image metadata and privacy References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Archives-Salt: 4b26cc46-988d-405d-955f-0c6c86ad08ea X-Archives-Hash: fb2b15b83db7f5077b7ee3405945db5b Hi Grant, Yes, I just had to do this myself. There are two packages: jhead and exiftool. The former does jpegs only. I wound up using exiftool, there's a single command to strip all metadata: exiftool -all= *.jpg If I remember right that creates a copy of the file it processes. You can use exiftool to list tags and also remove individual tags. I used it to make sure there were no GPS tags in pictures from my phone. Dan On 09/05/2013 06:32 AM, Grant wrote: > Has anyone found a way to completely sanitize images of all > potentially privacy-invading metadata for posting online? I recently > discovered that there is actually an EXIF thumbnail image. So if you > have a photo and you crop it and post it online, the EXIF thumbnail of > the original uncropped image is still there for all to see. > > - Grant >