diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1860,6 +1860,7 @@
     'PhabricatorFileFilePHIDType' => 'applications/files/phid/PhabricatorFileFilePHIDType.php',
     'PhabricatorFileHasObjectEdgeType' => 'applications/files/edge/PhabricatorFileHasObjectEdgeType.php',
     'PhabricatorFileImageMacro' => 'applications/macro/storage/PhabricatorFileImageMacro.php',
+    'PhabricatorFileImageTransform' => 'applications/files/transform/PhabricatorFileImageTransform.php',
     'PhabricatorFileInfoController' => 'applications/files/controller/PhabricatorFileInfoController.php',
     'PhabricatorFileLinkListView' => 'view/layout/PhabricatorFileLinkListView.php',
     'PhabricatorFileLinkView' => 'view/layout/PhabricatorFileLinkView.php',
@@ -1873,10 +1874,13 @@
     'PhabricatorFileTemporaryGarbageCollector' => 'applications/files/garbagecollector/PhabricatorFileTemporaryGarbageCollector.php',
     'PhabricatorFileTestCase' => 'applications/files/storage/__tests__/PhabricatorFileTestCase.php',
     'PhabricatorFileTestDataGenerator' => 'applications/files/lipsum/PhabricatorFileTestDataGenerator.php',
+    'PhabricatorFileThumbnailTransform' => 'applications/files/transform/PhabricatorFileThumbnailTransform.php',
     'PhabricatorFileTransaction' => 'applications/files/storage/PhabricatorFileTransaction.php',
     'PhabricatorFileTransactionComment' => 'applications/files/storage/PhabricatorFileTransactionComment.php',
     'PhabricatorFileTransactionQuery' => 'applications/files/query/PhabricatorFileTransactionQuery.php',
+    'PhabricatorFileTransform' => 'applications/files/transform/PhabricatorFileTransform.php',
     'PhabricatorFileTransformController' => 'applications/files/controller/PhabricatorFileTransformController.php',
+    'PhabricatorFileTransformListController' => 'applications/files/controller/PhabricatorFileTransformListController.php',
     'PhabricatorFileUploadController' => 'applications/files/controller/PhabricatorFileUploadController.php',
     'PhabricatorFileUploadDialogController' => 'applications/files/controller/PhabricatorFileUploadDialogController.php',
     'PhabricatorFileUploadException' => 'applications/files/exception/PhabricatorFileUploadException.php',
@@ -5262,6 +5266,7 @@
       'PhabricatorFlaggableInterface',
       'PhabricatorPolicyInterface',
     ),
+    'PhabricatorFileImageTransform' => 'PhabricatorFileTransform',
     'PhabricatorFileInfoController' => 'PhabricatorFileController',
     'PhabricatorFileLinkListView' => 'AphrontView',
     'PhabricatorFileLinkView' => 'AphrontView',
@@ -5274,10 +5279,13 @@
     'PhabricatorFileTemporaryGarbageCollector' => 'PhabricatorGarbageCollector',
     'PhabricatorFileTestCase' => 'PhabricatorTestCase',
     'PhabricatorFileTestDataGenerator' => 'PhabricatorTestDataGenerator',
+    'PhabricatorFileThumbnailTransform' => 'PhabricatorFileImageTransform',
     'PhabricatorFileTransaction' => 'PhabricatorApplicationTransaction',
     'PhabricatorFileTransactionComment' => 'PhabricatorApplicationTransactionComment',
     'PhabricatorFileTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
+    'PhabricatorFileTransform' => 'Phobject',
     'PhabricatorFileTransformController' => 'PhabricatorFileController',
+    'PhabricatorFileTransformListController' => 'PhabricatorFileController',
     'PhabricatorFileUploadController' => 'PhabricatorFileController',
     'PhabricatorFileUploadDialogController' => 'PhabricatorFileController',
     'PhabricatorFileUploadException' => 'Exception',
diff --git a/src/applications/files/application/PhabricatorFilesApplication.php b/src/applications/files/application/PhabricatorFilesApplication.php
--- a/src/applications/files/application/PhabricatorFilesApplication.php
+++ b/src/applications/files/application/PhabricatorFilesApplication.php
@@ -91,6 +91,8 @@
           '(?P<phid>[^/]+)/'.
           '(?P<key>[^/]+)/'
           => 'PhabricatorFileTransformController',
+        'transforms/(?P<id>[1-9]\d*)/' =>
+          'PhabricatorFileTransformListController',
         'uploaddialog/' => 'PhabricatorFileUploadDialogController',
         'download/(?P<phid>[^/]+)/' => 'PhabricatorFileDialogController',
       ),
diff --git a/src/applications/files/controller/PhabricatorFileInfoController.php b/src/applications/files/controller/PhabricatorFileInfoController.php
--- a/src/applications/files/controller/PhabricatorFileInfoController.php
+++ b/src/applications/files/controller/PhabricatorFileInfoController.php
@@ -170,6 +170,12 @@
         ->setWorkflow(true)
         ->setDisabled(!$can_edit));
 
+    $view->addAction(
+      id(new PhabricatorActionView())
+        ->setName(pht('View Transforms'))
+        ->setIcon('fa-crop')
+        ->setHref($this->getApplicationURI("/transforms/{$id}/")));
+
     return $view;
   }
 
@@ -267,7 +273,6 @@
         $user->renderHandleList($phids));
     }
 
-
     if ($file->isViewableImage()) {
       $image = phutil_tag(
         'img',
diff --git a/src/applications/files/controller/PhabricatorFileTransformController.php b/src/applications/files/controller/PhabricatorFileTransformController.php
--- a/src/applications/files/controller/PhabricatorFileTransformController.php
+++ b/src/applications/files/controller/PhabricatorFileTransformController.php
@@ -48,21 +48,33 @@
     // protection.
     $unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
 
-    switch ($transform) {
-      case 'thumb-profile':
-        $xformed_file = $this->executeThumbTransform($file, 50, 50);
-        break;
-      case 'thumb-280x210':
-        $xformed_file = $this->executeThumbTransform($file, 280, 210);
-        break;
-      case 'preview-100':
-        $xformed_file = $this->executePreviewTransform($file, 100);
-        break;
-      case 'preview-220':
-        $xformed_file = $this->executePreviewTransform($file, 220);
-        break;
-      default:
-        return new Aphront400Response();
+    $xformed_file = null;
+
+    $xforms = PhabricatorFileTransform::getAllTransforms();
+    if (isset($xforms[$transform])) {
+      $xform = $xforms[$transform];
+      if ($xform->canApplyTransform($file)) {
+        $xformed_file = $xforms[$transform]->applyTransform($file);
+      }
+    }
+
+    if (!$xformed_file) {
+      switch ($transform) {
+        case 'thumb-profile':
+          $xformed_file = $this->executeThumbTransform($file, 50, 50);
+          break;
+        case 'thumb-280x210':
+          $xformed_file = $this->executeThumbTransform($file, 280, 210);
+          break;
+        case 'preview-100':
+          $xformed_file = $this->executePreviewTransform($file, 100);
+          break;
+        case 'preview-220':
+          $xformed_file = $this->executePreviewTransform($file, 220);
+          break;
+        default:
+          return new Aphront400Response();
+      }
     }
 
     if (!$xformed_file) {
diff --git a/src/applications/files/controller/PhabricatorFileTransformListController.php b/src/applications/files/controller/PhabricatorFileTransformListController.php
new file mode 100644
--- /dev/null
+++ b/src/applications/files/controller/PhabricatorFileTransformListController.php
@@ -0,0 +1,137 @@
+<?php
+
+final class PhabricatorFileTransformListController
+  extends PhabricatorFileController {
+
+  public function shouldAllowPublic() {
+    return true;
+  }
+
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $this->getViewer();
+
+    $file = id(new PhabricatorFileQuery())
+      ->setViewer($viewer)
+      ->withIDs(array($request->getURIData('id')))
+      ->executeOne();
+    if (!$file) {
+      return new Aphront404Response();
+    }
+
+    $monogram = $file->getMonogram();
+
+    $xdst = id(new PhabricatorTransformedFile())->loadAllWhere(
+      'transformedPHID = %s',
+      $file->getPHID());
+
+    $dst_rows = array();
+    foreach ($xdst as $source) {
+      $dst_rows[] = array(
+        $source->getTransform(),
+        $viewer->renderHandle($source->getOriginalPHID()),
+      );
+    }
+    $dst_table = id(new AphrontTableView($dst_rows))
+      ->setHeaders(
+        array(
+          pht('Key'),
+          pht('Source'),
+        ))
+      ->setColumnClasses(
+        array(
+          '',
+          'wide',
+        ))
+      ->setNoDataString(
+        pht(
+          'This file was not created by transforming another file.'));
+
+    $xsrc = id(new PhabricatorTransformedFile())->loadAllWhere(
+      'originalPHID = %s',
+      $file->getPHID());
+    $xsrc = mpull($xsrc, 'getTransformedPHID', 'getTransform');
+
+    $src_rows = array();
+    $xforms = PhabricatorFileTransform::getAllTransforms();
+    foreach ($xforms as $xform) {
+      $dst_phid = idx($xsrc, $xform->getTransformKey());
+
+      if ($xform->canApplyTransform($file)) {
+        $can_apply = pht('Yes');
+        $view_href = $file->getURIForTransform($xform);
+        if ($dst_phid) {
+          $view_text = pht('View Transform');
+        } else {
+          $view_text = pht('Generate Transform');
+        }
+        $view_link = phutil_tag(
+          'a',
+          array(
+            'class' => 'small grey button',
+            'href' => $view_href,
+          ),
+          $view_text);
+      } else {
+        $can_apply = phutil_tag('em', array(), pht('No'));
+        $view_link = phutil_tag('em', array(), pht('None'));
+      }
+
+      if ($dst_phid) {
+        $dst_link = $viewer->renderHandle($dst_phid);
+      } else {
+        $dst_link = phutil_tag('em', array(), pht('None'));
+      }
+
+      $src_rows[] = array(
+        $xform->getTransformName(),
+        $xform->getTransformKey(),
+        $can_apply,
+        $dst_link,
+        $view_link,
+      );
+    }
+
+    $src_table = id(new AphrontTableView($src_rows))
+      ->setHeaders(
+        array(
+          pht('Name'),
+          pht('Key'),
+          pht('Supported'),
+          pht('Transform'),
+          pht('View'),
+        ))
+      ->setColumnClasses(
+        array(
+          'wide',
+          '',
+          '',
+          '',
+          'action',
+        ));
+
+    $crumbs = $this->buildApplicationCrumbs();
+    $crumbs->addTextCrumb($monogram, '/'.$monogram);
+    $crumbs->addTextCrumb(pht('Transforms'));
+
+    $dst_box = id(new PHUIObjectBoxView())
+      ->setHeaderText(pht('File Sources'))
+      ->appendChild($dst_table);
+
+    $src_box = id(new PHUIObjectBoxView())
+      ->setHeaderText(pht('Available Transforms'))
+      ->appendChild($src_table);
+
+    return $this->buildApplicationPage(
+      array(
+        $crumbs,
+        $dst_box,
+        $src_box,
+      ),
+      array(
+        'title' => array(
+          pht('%s %s', $monogram, $file->getName()),
+          pht('Tranforms'),
+        ),
+      ));
+  }
+}
diff --git a/src/applications/files/storage/PhabricatorFile.php b/src/applications/files/storage/PhabricatorFile.php
--- a/src/applications/files/storage/PhabricatorFile.php
+++ b/src/applications/files/storage/PhabricatorFile.php
@@ -760,6 +760,10 @@
     return (string) $uri;
   }
 
+  public function getURIForTransform(PhabricatorFileTransform $transform) {
+    return $this->getTransformedURI($transform->getTransformKey());
+  }
+
   private function getTransformedURI($transform) {
     $parts = array();
     $parts[] = 'file';
diff --git a/src/applications/files/transform/PhabricatorFileImageTransform.php b/src/applications/files/transform/PhabricatorFileImageTransform.php
new file mode 100644
--- /dev/null
+++ b/src/applications/files/transform/PhabricatorFileImageTransform.php
@@ -0,0 +1,17 @@
+<?php
+
+abstract class PhabricatorFileImageTransform extends PhabricatorFileTransform {
+
+  public function canApplyTransform(PhabricatorFile $file) {
+    if (!$file->isViewableImage()) {
+      return false;
+    }
+
+    if (!$file->isTransformableImage()) {
+      return false;
+    }
+
+    return true;
+  }
+
+}
diff --git a/src/applications/files/transform/PhabricatorFileThumbnailTransform.php b/src/applications/files/transform/PhabricatorFileThumbnailTransform.php
new file mode 100644
--- /dev/null
+++ b/src/applications/files/transform/PhabricatorFileThumbnailTransform.php
@@ -0,0 +1,74 @@
+<?php
+
+final class PhabricatorFileThumbnailTransform
+  extends PhabricatorFileImageTransform {
+
+  const TRANSFORM_PROFILE = 'profile';
+  const TRANSFORM_PINBOARD = 'pinboard';
+  const TRANSFORM_THUMBGRID = 'thumbgrid';
+  const TRANSFORM_PREVIEW = 'preview';
+
+  private $name;
+  private $key;
+  private $dstX;
+  private $dstY;
+
+  public function setName($name) {
+    $this->name = $name;
+    return $this;
+  }
+
+  public function setKey($key) {
+    $this->key = $key;
+    return $this;
+  }
+
+  public function setDimensions($x, $y) {
+    $this->dstX = $x;
+    $this->dstY = $y;
+    return $this;
+  }
+
+  public function getTransformName() {
+    return $this->name;
+  }
+
+  public function getTransformKey() {
+    return $this->key;
+  }
+
+  public function generateTransforms() {
+    return array(
+      id(new PhabricatorFileThumbnailTransform())
+        ->setName(pht("Profile (100px \xC3\x97 100px)"))
+        ->setKey(self::TRANSFORM_PROFILE)
+        ->setDimensions(100, 100),
+      id(new PhabricatorFileThumbnailTransform())
+        ->setName(pht("Pinboard (280px \xC3\x97 210px)"))
+        ->setKey(self::TRANSFORM_PINBOARD)
+        ->setDimensions(280, 210),
+      id(new PhabricatorFileThumbnailTransform())
+        ->setName(pht('Thumbgrid (100px)'))
+        ->setKey(self::TRANSFORM_THUMBGRID)
+        ->setDimensions(100, null),
+      id(new PhabricatorFileThumbnailTransform())
+        ->setName(pht('Preview (220px)'))
+        ->setKey(self::TRANSFORM_PREVIEW)
+        ->setDimensions(220, null),
+    );
+  }
+
+  public function applyTransform(PhabricatorFile $file) {
+    $x = $this->dstX;
+    $y = $this->dstY;
+
+    $xformer = new PhabricatorImageTransformer();
+
+    if ($y === null) {
+      return $xformer->executePreviewTransform($file, $x);
+    } else {
+      return $xformer->executeThumbTransform($file, $x, $y);
+    }
+  }
+
+}
diff --git a/src/applications/files/transform/PhabricatorFileTransform.php b/src/applications/files/transform/PhabricatorFileTransform.php
new file mode 100644
--- /dev/null
+++ b/src/applications/files/transform/PhabricatorFileTransform.php
@@ -0,0 +1,44 @@
+<?php
+
+abstract class PhabricatorFileTransform extends Phobject {
+
+  abstract public function getTransformName();
+  abstract public function getTransformKey();
+  abstract public function canApplyTransform(PhabricatorFile $file);
+  abstract public function applyTransform(PhabricatorFile $file);
+
+  public function generateTransforms() {
+    return array($this);
+  }
+
+  public static function getAllTransforms() {
+    static $map;
+
+    if ($map === null) {
+      $xforms = id(new PhutilSymbolLoader())
+        ->setAncestorClass(__CLASS__)
+        ->loadObjects();
+
+      $result = array();
+      foreach ($xforms as $xform_template) {
+        foreach ($xform_template->generateTransforms() as $xform) {
+          $key = $xform->getTransformKey();
+          if (isset($result[$key])) {
+            throw new Exception(
+              pht(
+                'Two %s objects define the same transform key ("%s"), but '.
+                'each transform must have a unique key.',
+                __CLASS__,
+                $key));
+          }
+          $result[$key] = $xform;
+        }
+      }
+
+      $map = $result;
+    }
+
+    return $map;
+  }
+
+}