diff --git a/4chan_x.user.js b/4chan_x.user.js
index 347f7b149..35c743969 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -72,7 +72,7 @@
  */
 
 (function() {
-  var $, $$, DAY, Favicon, HOUR, MINUTE, Main, NAMESPACE, SECOND, Time, VERSION, anonymize, conf, config, d, engine, expandComment, expandThread, filter, flatten, g, getTitle, imgExpand, imgGif, imgHover, key, keybinds, log, nav, options, qr, quoteBacklink, quoteIndicators, quoteInline, quotePreview, redirect, replyHiding, reportButton, revealSpoilers, sauce, strikethroughQuotes, threadHiding, threadStats, threading, titlePost, ui, unread, unxify, updater, val, watcher, _base;
+  var $, $$, DAY, Favicon, FileInfo, HOUR, MINUTE, Main, NAMESPACE, SECOND, Time, VERSION, anonymize, conf, config, d, engine, expandComment, expandThread, filter, flatten, g, getTitle, imgExpand, imgGif, imgHover, key, keybinds, log, nav, options, qr, quoteBacklink, quoteIndicators, quoteInline, quotePreview, redirect, replyHiding, reportButton, revealSpoilers, sauce, strikethroughQuotes, threadHiding, threadStats, threading, titlePost, ui, unread, unxify, updater, val, watcher, _base;
 
   config = {
     main: {
@@ -81,6 +81,7 @@
         'Fix XXX\'d Post Numbers': [true, 'Replace XXX\'d post numbers with their actual number'],
         'Keybinds': [true, 'Binds actions to keys'],
         'Time Formatting': [true, 'Arbitrarily formatted timestamps, using your local time'],
+        'File Info Formatting': [true, 'Reformats the file information'],
         'Report Button': [true, 'Add report buttons'],
         'Comment Expansion': [true, 'Expand too long comments'],
         'Thread Expansion': [true, 'View all replies'],
@@ -150,6 +151,8 @@
     sauces: ['http://iqdb.org/?url=$1', 'http://www.google.com/searchbyimage?image_url=$1', '#http://tineye.com/search?url=$1', '#http://saucenao.com/search.php?db=999&url=$1', '#http://3d.iqdb.org/?url=$1', '#http://regex.info/exif.cgi?imgurl=$2', '# uploaders:', '#http://imgur.com/upload?url=$2', '#http://omploader.org/upload?url1=$2', '# "View Same" in archives:', '#http://archive.foolz.us/a/image/$3/', '#http://archive.installgentoo.net/g/image/$3'].join('\n'),
     time: '%m/%d/%y(%a)%H:%M',
     backlink: '>>%id',
+    fileInfoR: '%l, %s, %r',
+    fileInfoT: '%l, %s, %r',
     favicon: 'ferongr',
     hotkeys: {
       openOptions: ['ctrl+o', 'Open Options'],
@@ -2109,7 +2112,7 @@
       }
     },
     dialog: function() {
-      var arr, back, checked, description, dialog, favicon, hiddenNum, hiddenThreads, indicator, indicators, input, key, li, obj, overlay, ta, time, tr, ul, _i, _j, _len, _len2, _ref, _ref2, _ref3, _ref4;
+      var arr, back, checked, description, dialog, favicon, fileInfoR, fileInfoT, hiddenNum, hiddenThreads, indicator, indicators, input, key, li, obj, overlay, ta, time, tr, ul, _i, _j, _len, _len2, _ref, _ref2, _ref3, _ref4;
       dialog = $.el('div', {
         id: 'options',
         className: 'reply dialog',
@@ -2182,6 +2185,19 @@
       <li>Hour: %k, %H, %l (lowercase L), %I (uppercase i), %p, %P</li>\
       <li>Minutes: %M</li>\
     </ul>\
+    <div class=warning><code>File Info Formatting</code> is disabled.</div>\
+    <ul>\
+      Thread File Info Formatting\
+      <li><input type=text name=fileInfoT> : <span id=fileInfoTPreview></span></li>\
+      <li>Link: %l (lowercase L)</li>\
+      <li>Size: %B (Bytes), %K (KB), %M (MB), %s (4chan default)</li>\
+      <li>Resolution: %r (Displays PDF on /po/, for PDF\'s)</li>\
+      Reply File Info Formatting\
+      <li><input type=text name=fileInfoR> : <span id=fileInfoRPreview></span></li>\
+      <li>All thread formatters also work for reply formatting.</li>\
+      <li>Link (with original file name): %l (lowercase L)(Truncated), %L (Untruncated)</li>\
+      <li>Original file name: %n (Truncated), %N (Untruncated)</li>\
+    </ul>\
     <div class=warning><code>Unread Favicon</code> is disabled.</div>\
     Unread favicons<br>\
     <select name=favicon>\
@@ -2235,10 +2251,16 @@
       }
       (back = $('[name=backlink]', dialog)).value = conf['backlink'];
       (time = $('[name=time]', dialog)).value = conf['time'];
+      (fileInfoR = $('[name=fileInfoR]', dialog)).value = conf['fileInfoR'];
+      (fileInfoT = $('[name=fileInfoT]', dialog)).value = conf['fileInfoT'];
       $.on(back, 'keyup', $.cb.value);
       $.on(back, 'keyup', options.backlink);
       $.on(time, 'keyup', $.cb.value);
       $.on(time, 'keyup', options.time);
+      $.on(fileInfoR, 'keyup', $.cb.value);
+      $.on(fileInfoR, 'keyup', options.fileInfo);
+      $.on(fileInfoT, 'keyup', $.cb.value);
+      $.on(fileInfoT, 'keyup', options.fileInfo);
       favicon = $('select', dialog);
       favicon.value = conf['favicon'];
       $.on(favicon, 'change', $.cb.value);
@@ -2277,6 +2299,8 @@
       d.body.style.setProperty('overflow', 'hidden', null);
       options.backlink.call(back);
       options.time.call(time);
+      options.fileInfo.call(fileInfoR);
+      options.fileInfo.call(fileInfoT);
       return options.favicon.call(favicon);
     },
     close: function() {
@@ -2305,6 +2329,18 @@
     backlink: function() {
       return $.id('backlinkPreview').textContent = conf['backlink'].replace(/%id/, '123456789');
     },
+    fileInfo: function() {
+      FileInfo.ffType = this.name === 'fileInfoR' ? 0 : 1;
+      FileInfo.data = {
+        link: '<a href="javascript:;">1329791824.png</a>',
+        size: 996,
+        unit: 'KB',
+        resolution: '1366x768',
+        filename: 'Untitled.png'
+      };
+      FileInfo.funks = FileInfo.setFormats();
+      return $.id("" + this.name + "Preview").innerHTML = FileInfo.funks[FileInfo.ffType](FileInfo);
+    },
     favicon: function() {
       Favicon["switch"]();
       unread.update(true);
@@ -2900,6 +2936,111 @@
     }
   };
 
+  FileInfo = {
+    init: function() {
+      if (g.BOARD === 'f') return;
+      FileInfo.ffConf = ['fileInfoR', 'fileInfoT'];
+      FileInfo.ffMtrs = [/%([BKlLMnNrs])/g, /%([BKlMrs])/g];
+      FileInfo.ffRgex = [/File:\s(<a.+<\/a>)-\((?:Spoiler Image,\s)?([\d\.]+)\s([BKM]{1,2}),\s(\d+x\d+|PDF),\s<span\stitle=\"([^\"]+)\">/, /File:\s(<a.+<\/a>)-\((?:Spoiler Image,\s)?([\d\.]+)\s([BKM]{1,2}),\s(\d+x\d+|PDF)\)/];
+      this.parse = function(node) {
+        var filename, link, resolution, size, unit, _, _ref;
+        FileInfo.ffType = node.childNodes.length > 3 ? 0 : 1;
+        _ref = node.innerHTML.match(FileInfo.ffRgex[FileInfo.ffType]), _ = _ref[0], link = _ref[1], size = _ref[2], unit = _ref[3], resolution = _ref[4], filename = _ref[5];
+        return {
+          link: link,
+          size: size,
+          unit: unit,
+          resolution: resolution,
+          filename: filename
+        };
+      };
+      FileInfo.funks = FileInfo.setFormats();
+      return g.callbacks.push(this.node);
+    },
+    node: function(root) {
+      var node;
+      if (root.className === 'inline' || !(node = $('.filesize', root))) return;
+      FileInfo.data = FileInfo.parse(node);
+      return node.innerHTML = FileInfo.funks[FileInfo.ffType](FileInfo) + ' ';
+    },
+    setFormats: function() {
+      var code, i, _results;
+      _results = [];
+      for (i = 0; i <= 1; i++) {
+        code = conf[FileInfo.ffConf[i]].replace(FileInfo.ffMtrs[i], function(s, c) {
+          if (c in FileInfo.formatters) {
+            return "' + FileInfo.formatters." + c + "() + '";
+          } else {
+            return s;
+          }
+        });
+        _results.push(Function('FileInfo', "return '" + code + "'"));
+      }
+      return _results;
+    },
+    convertUnit: function(unitT) {
+      var i, size, unitF, units;
+      size = FileInfo.data.size;
+      unitF = FileInfo.data.unit;
+      if (unitF !== unitT) {
+        units = ['B', 'KB', 'MB'];
+        i = units.indexOf(unitF) - units.indexOf(unitT);
+        if (unitT === 'B') unitT = 'Bytes';
+        if (i > 0) {
+          while (i-- > 0) {
+            size *= 1024;
+          }
+        } else if (i < 0) {
+          while (i++ < 0) {
+            size /= 1024;
+          }
+        }
+        if (size < 1 && size.toString().length > size.toFixed(2).toString.length) {
+          size = size.toFixed(2);
+        }
+      }
+      return "" + size + " " + unitT;
+    },
+    formatters: {
+      B: function() {
+        return FileInfo.convertUnit('B');
+      },
+      K: function() {
+        return FileInfo.convertUnit('KB');
+      },
+      l: function() {
+        if (FileInfo.ffType === 0) {
+          return FileInfo.data.link.replace(/>\d+\.\w+</, '>' + FileInfo.formatters.n() + '<');
+        } else {
+          return FileInfo.data.link;
+        }
+      },
+      L: function() {
+        return FileInfo.data.link.replace(/>\d+\.\w+</, '>' + FileInfo.data.filename + '<');
+      },
+      M: function() {
+        return FileInfo.convertUnit('MB');
+      },
+      n: function() {
+        var ext;
+        if ((ext = FileInfo.data.filename.lastIndexOf('.')) > 38) {
+          return '<span class=fnfull>' + FileInfo.data.filename + '</span><span class=fntrunc>' + FileInfo.data.filename.substr(0, 32) + ' (...)' + FileInfo.data.filename.substr(ext) + '</span>';
+        } else {
+          return FileInfo.data.filename;
+        }
+      },
+      N: function() {
+        return FileInfo.data.filename;
+      },
+      r: function() {
+        return FileInfo.data.resolution;
+      },
+      s: function() {
+        return "" + FileInfo.data.size + " " + FileInfo.data.unit;
+      }
+    }
+  };
+
   getTitle = function(thread) {
     var el, span;
     el = $('.filetitle', thread);
@@ -3163,7 +3304,8 @@
       }
       qp.innerHTML = html;
       if (conf['Image Auto-Gif']) imgGif.node(qp);
-      if (conf['Time Formatting']) return Time.node(qp);
+      if (conf['Time Formatting']) Time.node(qp);
+      if (conf['File Info Formatting']) return FileInfo.node(qp);
     }
   };
 
@@ -3665,6 +3807,7 @@
       if (conf['Filter'] || conf['Reply Hiding']) strikethroughQuotes.init();
       if (conf['Anonymize']) anonymize.init();
       if (conf['Time Formatting']) Time.init();
+      if (conf['File Info Formatting']) FileInfo.init();
       if (conf['Sauce']) sauce.init();
       if (conf['Reveal Spoilers']) revealSpoilers.init();
       if (conf['Image Auto-Gif']) imgGif.init();
@@ -3996,6 +4139,9 @@ td.replyhider {\
   float: left;\
   pointer-events: none;\
 }\
+.filesize a:not(:hover) .fnfull, .filesize a:hover .fntrunc {\
+  display: none;\
+}\
 img[md5], img[md5] + img {\
   pointer-events: all;\
 }\
diff --git a/changelog b/changelog
index efc106bf1..d1600ae15 100644
--- a/changelog
+++ b/changelog
@@ -1,4 +1,10 @@
 master
+-ahodesuka
+  Reply/Thread File Info Formatting:
+    - Link: %l, %L (Original file names are shown inside threads).
+    - Size: %B (Bytes), %K (KB), %M (MB), %s (4chan default).
+    - Resolution/PDF: %r
+    - Original filename: %n, %N.
 - noface
   Update imagelimit for mlp.
   Fix stubs if poster has unique ID.
diff --git a/script.coffee b/script.coffee
index 126fb46c0..6342704d5 100644
--- a/script.coffee
+++ b/script.coffee
@@ -5,6 +5,7 @@ config =
       'Fix XXX\'d Post Numbers':      [true,  'Replace XXX\'d post numbers with their actual number']
       'Keybinds':                     [true,  'Binds actions to keys']
       'Time Formatting':              [true,  'Arbitrarily formatted timestamps, using your local time']
+      'File Info Formatting':         [true,  'Reformats the file information']
       'Report Button':                [true,  'Add report buttons']
       'Comment Expansion':            [true,  'Expand too long comments']
       'Thread Expansion':             [true,  'View all replies']
@@ -103,6 +104,8 @@ config =
   ].join '\n'
   time: '%m/%d/%y(%a)%H:%M'
   backlink: '>>%id'
+  fileInfoR: '%l, %s, %r'
+  fileInfoT: '%l, %s, %r'
   favicon: 'ferongr'
   hotkeys:
     openOptions:     ['ctrl+o', 'Open Options']
@@ -1779,6 +1782,19 @@ options =
       <li>Hour: %k, %H, %l (lowercase L), %I (uppercase i), %p, %P</li>
       <li>Minutes: %M</li>
     </ul>
+    <div class=warning><code>File Info Formatting</code> is disabled.</div>
+    <ul>
+      Thread File Info Formatting
+      <li><input type=text name=fileInfoT> : <span id=fileInfoTPreview></span></li>
+      <li>Link: %l (lowercase L)</li>
+      <li>Size: %B (Bytes), %K (KB), %M (MB), %s (4chan default)</li>
+      <li>Resolution: %r (Displays PDF on /po/, for PDF\'s)</li>
+      Reply File Info Formatting
+      <li><input type=text name=fileInfoR> : <span id=fileInfoRPreview></span></li>
+      <li>All thread formatters also work for reply formatting.</li>
+      <li>Link (with original file name): %l (lowercase L)(Truncated), %L (Untruncated)</li>
+      <li>Original file name: %n (Truncated), %N (Untruncated)</li>
+    </ul>
     <div class=warning><code>Unread Favicon</code> is disabled.</div>
     Unread favicons<br>
     <select name=favicon>
@@ -1825,12 +1841,18 @@ options =
       $.on ta, 'change', $.cb.value
 
     #rice
-    (back = $ '[name=backlink]', dialog).value = conf['backlink']
-    (time = $ '[name=time]',     dialog).value = conf['time']
+    (back         = $ '[name=backlink]',     dialog).value = conf['backlink']
+    (time         = $ '[name=time]',         dialog).value = conf['time']
+    (fileInfoR = $ '[name=fileInfoR]', dialog).value = conf['fileInfoR']
+    (fileInfoT = $ '[name=fileInfoT]', dialog).value = conf['fileInfoT']
     $.on back, 'keyup', $.cb.value
     $.on back, 'keyup', options.backlink
     $.on time, 'keyup', $.cb.value
     $.on time, 'keyup', options.time
+    $.on fileInfoR, 'keyup', $.cb.value
+    $.on fileInfoR, 'keyup', options.fileInfo
+    $.on fileInfoT, 'keyup', $.cb.value
+    $.on fileInfoT, 'keyup', options.fileInfo
     favicon = $ 'select', dialog
     favicon.value = conf['favicon']
     $.on favicon, 'change', $.cb.value
@@ -1863,6 +1885,8 @@ options =
 
     options.backlink.call back
     options.time.call     time
+    options.fileInfo.call fileInfoR
+    options.fileInfo.call fileInfoT
     options.favicon.call  favicon
 
   close: ->
@@ -1889,6 +1913,16 @@ options =
     $.id('timePreview').textContent = Time.funk Time
   backlink: ->
     $.id('backlinkPreview').textContent = conf['backlink'].replace /%id/, '123456789'
+  fileInfo: ->
+    FileInfo.ffType = if @name is 'fileInfoR' then 0 else 1
+    FileInfo.data =
+      link      : '<a href="javascript:;">1329791824.png</a>'
+      size      : 996
+      unit      : 'KB'
+      resolution: '1366x768'
+      filename  : 'Untitled.png'
+    FileInfo.funks = FileInfo.setFormats()
+    $.id("#{@name}Preview").innerHTML = FileInfo.funks[FileInfo.ffType] FileInfo
   favicon: ->
     Favicon.switch()
     unread.update true
@@ -2367,6 +2401,68 @@ Time =
     p: -> if Time.date.getHours() < 12 then 'AM' else 'PM'
     P: -> if Time.date.getHours() < 12 then 'am' else 'pm'
     y: -> Time.date.getFullYear() - 2000
+    
+FileInfo =
+  init: ->
+    return if g.BOARD is 'f'
+    FileInfo.ffConf = [ 'fileInfoR', 'fileInfoT' ]
+    FileInfo.ffMtrs = [ /%([BKlLMnNrs])/g, /%([BKlMrs])/g ]
+    FileInfo.ffRgex = [ /File:\s(<a.+<\/a>)-\((?:Spoiler Image,\s)?([\d\.]+)\s([BKM]{1,2}),\s(\d+x\d+|PDF),\s<span\stitle=\"([^\"]+)\">/,
+                          /File:\s(<a.+<\/a>)-\((?:Spoiler Image,\s)?([\d\.]+)\s([BKM]{1,2}),\s(\d+x\d+|PDF)\)/ ]
+    @parse = (node) ->
+      FileInfo.ffType = if node.childNodes.length > 3 then 0 else 1
+      [_, link, size, unit, resolution, filename] =
+        node.innerHTML.match FileInfo.ffRgex[FileInfo.ffType]
+      link      : link
+      size      : size
+      unit      : unit
+      resolution: resolution
+      filename  : filename
+
+    FileInfo.funks = FileInfo.setFormats()
+    g.callbacks.push @node
+  node: (root) ->
+    return if root.className is 'inline' or not node = $ '.filesize', root
+    FileInfo.data = FileInfo.parse node
+    node.innerHTML  = FileInfo.funks[FileInfo.ffType](FileInfo) + ' '
+  setFormats: ->
+    for i in [0..1]
+      code = conf[FileInfo.ffConf[i]].replace FileInfo.ffMtrs[i], (s, c) ->
+        if c of FileInfo.formatters
+          "' + FileInfo.formatters.#{c}() + '"
+        else
+          s
+      Function 'FileInfo', "return '#{code}'"
+  convertUnit: (unitT) ->
+    size  = FileInfo.data.size
+    unitF = FileInfo.data.unit
+    if unitF isnt unitT
+      units = [ 'B', 'KB', 'MB' ]
+      i     = units.indexOf(unitF) - units.indexOf(unitT)
+      unitT = 'Bytes' if unitT is 'B'
+      if i > 0
+        size *= 1024 while i-- > 0
+      else if i < 0
+        size /= 1024 while i++ < 0
+      if size < 1 and size.toString().length > size.toFixed(2).toString.length
+        size = size.toFixed 2
+    "#{size} #{unitT}"
+  formatters:
+    B: -> FileInfo.convertUnit 'B'
+    K: -> FileInfo.convertUnit 'KB'
+    l: -> if FileInfo.ffType is 0 
+            FileInfo.data.link.replace />\d+\.\w+</, '>' + FileInfo.formatters.n() + '<'
+          else
+            FileInfo.data.link
+    L: -> FileInfo.data.link.replace />\d+\.\w+</, '>' + FileInfo.data.filename + '<'
+    M: -> FileInfo.convertUnit 'MB'
+    n: -> if (ext = FileInfo.data.filename.lastIndexOf '.') > 38
+           '<span class=fnfull>' + FileInfo.data.filename + '</span><span class=fntrunc>' + FileInfo.data.filename.substr(0, 32) + ' (...)' + FileInfo.data.filename.substr(ext) + '</span>'
+          else
+            FileInfo.data.filename
+    N: -> FileInfo.data.filename
+    r: -> FileInfo.data.resolution
+    s: -> "#{FileInfo.data.size} #{FileInfo.data.unit}"
 
 getTitle = (thread) ->
   el = $ '.filetitle', thread
@@ -2564,9 +2660,11 @@ quotePreview =
           break
     qp.innerHTML = html
     if conf['Image Auto-Gif']
-      imgGif.node qp
+      imgGif.node   qp
     if conf['Time Formatting']
-      Time.node   qp
+      Time.node     qp
+    if conf['File Info Formatting']
+      FileInfo.node qp
 
 quoteIndicators =
   init: ->
@@ -2970,6 +3068,9 @@ Main =
 
     if conf['Time Formatting']
       Time.init()
+      
+    if conf['File Info Formatting']
+      FileInfo.init()
 
     if conf['Sauce']
       sauce.init()
@@ -3326,6 +3427,9 @@ td.replyhider {
   float: left;
   pointer-events: none;
 }
+.filesize a:not(:hover) .fnfull, .filesize a:hover .fntrunc {
+  display: none;
+}
 img[md5], img[md5] + img {
   pointer-events: all;
 }