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Update Readme, add License.
author David Barts <davidb@stashtea.com>
date Tue, 12 May 2020 16:23:43 -0700
parents 35fb8de77c7d
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <html> 2 <html>
3 <head> 3 <head>
4 <meta http-equiv="content-type" content="text/html; charset=UTF-8"> 4 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
5 <title>Introducing ExifWasher</title> 5 <title>Introducing JpegWasher</title>
6 <style> 6 <style>
7 html { font-family: "TeX Gyre Schola", serif; } 7 html { font-family: "TeX Gyre Schola", serif; }
8 h1, h2, h3, h4, h5, h6 { font-family: "Avenir Next", sans-serif; } 8 h1, h2, h3, h4, h5, h6 { font-family: "Avenir Next", sans-serif; }
9 pre, code, kbd, samp { font-family: "Menlo", monospace; font-size: 85%; } 9 pre, code, kbd, samp { font-family: "Menlo", monospace; font-size: 85%; }
10 </style> 10 </style>
12 <body> 12 <body>
13 <h1>Introducing JpegWasher</h1> 13 <h1>Introducing JpegWasher</h1>
14 <h2>Executive Summary</h2> 14 <h2>Executive Summary</h2>
15 <p>This program makes it easy to remove metadata from the digital images you 15 <p>This program makes it easy to remove metadata from the digital images you
16 create.</p> 16 create.</p>
17 <h2>What is “Metadata” and Why Would I Want to Remove It?</h2> 17 <h2>What is “Metadata,” and Why Would I Want to Remove It?</h2>
18 <p>You may not realize it, but image files can (and typically do!) contain 18 <p>You may not realize it, but image files can (and typically do!) contain
19 more than just image data. These data can include your camera make, model, 19 more than just image data. These data can include your camera make, model,
20 and serial number; the location where you took the photo; the software you 20 and serial number; the location where you took the photo; the software you
21 used to edit the photo (and what editing steps you did); etc.</p> 21 used to edit the photo (and what editing steps you did); etc.</p>
22 <p>One of the most powerful uses of photography is to graphically document 22 <p>One of the most powerful uses of photography is to graphically document
23 things that the wealthy and powerful might wish to remain concealed. The 23 things that the wealthy and powerful might wish to remain concealed. The
24 evils of slavery, child labor, poverty, war, and imperialism have all been 24 evils of slavery, child labor, poverty, war, and imperialism have all been
25 documented photographically, and such photographs have often proved 25 documented photographically, and such photographs have often proved
26 instrumental in helping to motivate social change.</p> 26 instrumental in helping to motivate social change.</p>
27 <p>Because of the metadata they contain, digital photographs contain data 27 <p>Because of the metadata they contain, digital photographs contain
28 which has been used to determine who took them, and in some cases to exact 28 evidence which has been used to determine who took them, and in some cases
29 retribution against those photographers. JpegWasher makes it easy to see 29 to exact retribution against those photographers, who believed they were
30 and remove the privacy-compromising metadata in your images.</p> 30 sharing their photos anonymously. JpegWasher makes it easy to see and
31 remove the privacy-compromising metadata in your images.</p>
31 <p>Even if your images are not of such a sensitive nature, that extra data 32 <p>Even if your images are not of such a sensitive nature, that extra data
32 takes up space. It is not uncommon for a 100 KiB image to contain 20 KiB 33 takes up space. It is not uncommon for a 100 KiB image to contain 20 KiB
33 of metadata in it; if that image is on a web page, that makes for 20 KiB 34 of metadata in it; if that image is on a web page, that makes for 20 KiB
34 of wasted network usage each time the image is sent.</p> 35 of wasted network usage each time the image is sent.</p>
35 <h2>What Makes JpegWasher Different from Other Metadata Editors?</h2> 36 <h2>What Makes JpegWasher Different from Other Metadata Editors?</h2>
43 image, and <em>not all are safe to remove</em>. In particular, if you 44 image, and <em>not all are safe to remove</em>. In particular, if you
44 accidentally remove color-management metadata, computers that don’t handle 45 accidentally remove color-management metadata, computers that don’t handle
45 images without color-management metadata properly (I’m talking about <em>you</em>, 46 images without color-management metadata properly (I’m talking about <em>you</em>,
46 Apple Computer, Inc.) will display colors that often look all “washed-out” 47 Apple Computer, Inc.) will display colors that often look all “washed-out”
47 or otherwise incorrect.</p> 48 or otherwise incorrect.</p>
48 <p>Likewise, there are already plenty of simple-to-use, user-friendly tools 49 <p>There are already plenty of simple-to-use, user-friendly tools out there
49 out there for cleaning the metadata out of image files, but they 50 for cleaning the metadata out of image files, but they inevitably delete <em>all</em>
50 inevitably delete <em>all</em> metadata, resulting in files that often 51 metadata, resulting in files that often display improperly. Also of
51 display improperly. Also of concern, many of these “tools” are actually 52 concern, many of these “tools” are actually online services. If you’re
52 online services. If you’re concerned about your privacy, why would you 53 concerned about your privacy, why would you trust the images you’re
53 trust the images you’re processing to some unknown third party, who may be 54 processing to some unknown third party, who may be linked somehow to those
54 linked somehow to those who might want to retaliate against you?</p> 55 who might want to retaliate against you?</p>
55 <p>I wrote this program because I wanted there to be a quick, easy way to 56 <p>I wrote this program because I wanted there to be a quick, easy way to
56 scrub images before they even left a photographer’s computer and made 57 scrub images before they even left a photographer’s computer and made
57 their way onto the Internet, and for that program to leave vital metadata 58 their way onto the Internet, and for that program to leave vital metadata
58 alone, so that the resulting images continue to display properly.</p> 59 alone, so that the resulting images continue to display properly.</p>
59 <h2>JpegWasher Washes More than Just Exif Metadata</h2> 60 <h2>JpegWasher Washes More than Just Exif Metadata</h2>