diff --git a/tools/generate-docs.scm b/tools/generate-docs.scm
new file mode 100644
index 00000000..b02608cc
--- /dev/null
+++ b/tools/generate-docs.scm
@@ -0,0 +1,91 @@
+(import
+ (chibi)
+ (chibi io)
+ (chibi string)
+ (chibi process)
+ (chibi filesystem)
+ (chibi pathname)
+ (srfi 98))
+
+(define (walk-directory path)
+  #;(write (cons "visiting: " path))
+  (apply append
+   (map
+     (lambda (filename)
+       (define path2 (string-append path "/" filename))
+       #;(write `(,path2))
+       (cond
+         ((equal? #\. (string-ref filename 0)) (list))
+         ((file-directory? path2) (walk-directory path2))
+         (else (list path2))))
+     (directory-files path))))
+
+(define (filter f xs)
+ (apply append
+  (map
+   (lambda (x)
+     (if (f x)
+       (list x)
+       (list)))
+   xs)))
+
+(define (filename-filter filename)
+ (and
+  (string-contains filename "chibi/")
+  (string-suffix? ".sld" filename)
+  (not (string-contains filename "-test"))))
+
+(define (char-replacer from to)
+  (lambda (c)
+    (if (eq? from c) to c)))
+
+(define (process x)
+  (define strlen-ext (string-length ".sdl"))
+  (define outfile
+    (string-append
+     "doc/"
+     (substring x 0 (- (string-length x) strlen-ext))
+     ".html"))
+  (define doc-mod-name (string-map (char-replacer #\/ #\.) (substring x (string-length "lib/") (- (string-length x) strlen-ext))))
+  (display `("Started" ,doc-mod-name ,x ,outfile))
+  (newline)
+  (let ((output (process->string `("./chibi-scheme" "tools/chibi-doc" "--html" ,doc-mod-name))))
+    (create-directory* (path-directory outfile))
+    (call-with-output-file
+     outfile
+     (lambda (port)
+       (display output port))))
+  (display `("Processed" ,doc-mod-name ,x ,outfile))
+  (newline))
+
+(define (fork-map f xs)
+  (if (pair? xs)
+    (let ((pid (fork)))
+      (if (= 0 pid)
+       (begin
+        (f (car xs))
+        (exit))
+       (begin
+        (fork-map f (cdr xs))
+        (waitpid pid 0))))))
+
+; fork-map is naive
+; BUG: some files like chibi.show are broken
+; BUG: editing this script when running breaks it
+; example error:
+; ERROR: undefined variable: k-map
+;   called from <anonymous> on line 1268 of file lib/init-7.scm
+;   called from <anonymous> on line 800 of file lib/init-7.scm
+
+(define (main)
+  (define CHIBI_MODULE_PATH (get-environment-variable "CHIBI_MODULE_PATH"))
+  (cond
+   ((not CHIBI_MODULE_PATH) (begin
+                             (display "USAGE: CHIBI_IGNORE_SYSTEM_PATH=1 CHIBI_MODULE_PATH=lib ./chibi-scheme tools/generate-docs.scm")
+                             (newline)))
+   (else
+    (fork-map
+     process
+     (filter filename-filter (walk-directory CHIBI_MODULE_PATH))))))
+
+(main)