diff --git a/Viewer-options.md b/Viewer-options.md
new file mode 100644
index 0000000..bb2ccc8
--- /dev/null
+++ b/Viewer-options.md
@@ -0,0 +1,22 @@
+Options for pdf.js's viewer that can be given at the URL level.  This page is current as of 2013 April 21.
+
+Multiple values of either type can be combined by separating with an ampersand (&) including after the hash (Example: #page=2&textLayer=off).
+
+Options after the ?
+Example: http://www.example.com/pdf.js?file=myfile.pdf
+* file: pdf filename to use (must be on the same server due to javascript limitations).  Example: file=myfile.pdf
+
+Options after the #
+Example: http://www.example.com/pdf.js#page=2
+* page: page number.  Example: page=2
+ * zoom: zoom level.  Example: zoom=200
+* nameddest: go to a named destionation
+* pagemode: either "thumbs" or "bookmarks".  Example: pagemode=thumbs
+* disableWorker: set to true to disable web workers.  Example: disableWorker=true
+* disableRange: set to true to disable... something
+* disableAutoFetch: set to true to disable... something
+* locale: set a localization
+* textLayer: set to one of the following. Example: textLayer=off
+ * off: disable textLayer generation
+ * visible, shadow, hover: apply the css class textlayer-<value> to all text layers.
+* pdfBug: handle pdf bugs
\ No newline at end of file