diff --git a/app/dojo.hoon b/app/dojo.hoon
index afda4f466..0c8cc2823 100644
--- a/app/dojo.hoon
+++ b/app/dojo.hoon
@@ -507,7 +507,7 @@
           $http
         ?>  ?=($mime p.cay)
         =+  mim=;;(mime q.q.cay)
-        =+  maf=(~(add ja *math:^eyre) %content-type (moon:bytes:eyre p.mim))
+        =+  maf=(~(add ja *math:^eyre) %content-type (en-mite:mimes:html p.mim))
         (dy-eyre /show q.p.mad [r.p.mad p.p.mad maf ~ q.mim])
       ::
           $show
diff --git a/ren/tree/json.hoon b/ren/tree/json.hoon
index 79afeccc1..b9f6cd228 100644
--- a/ren/tree/json.hoon
+++ b/ren/tree/json.hoon
@@ -9,8 +9,7 @@
 /=    kid    /^    (map knot tree-include)
              /_    /tree-include/
 =,  format
-=,  bytes:eyre
-=,  base64:eyre
+=,  mimes:html
 ::
 ::::
   ::
@@ -47,7 +46,7 @@
   |=  a/$%({$t p/cord} {$r p/json} {$j p/json} {$m mime})
   ?-  -.a
     $t  [%s p.a]
-    $m  (pairs:enjs mite+[%s (moon p.a)] octs+(tape:enjs (sifo q.q.a)) ~)
+    $m  (pairs:enjs mite+[%s (en-mite p.a)] octs+(tape:enjs (en-base64 q.q.a)) ~)
     $r  p.a
     $j  p.a
   ==
diff --git a/sys/vane/eyre.hoon b/sys/vane/eyre.hoon
index edaa15370..7b77fa03d 100644
--- a/sys/vane/eyre.hoon
+++ b/sys/vane/eyre.hoon
@@ -8,6 +8,7 @@
 =,  wired
 =,  unity
 =,  format
+=,  mimes:html
 =,  html
 =>  =~
 |%                                                      ::  interfaces
@@ -267,7 +268,7 @@
 ++  resp                                                ::  mimed response
   |=  {sas/@uG mit/mite rez/@}  ^-  httr
   ::  (weld (turn cug |=(a=@t ['set-cookie' a]))
-  [sas ~[content-type+(moon mit)] [~ (taco rez)]]
+  [sas ~[content-type+(en-mite mit)] [~ (taco rez)]]
 ::
 ++  add-links                                           :: x-urbit:// urls
   |=  a/wall  ^-  marl
@@ -1070,7 +1071,7 @@
     =+  ((hard {mit/mite rez/octs}) q.q.cay)
     =+  dep=(crip "W/{(en-json %s (scot %uv dep))}")
     =+  bod=?-(men $get `rez, $head ~)
-    =+  hit=[200 ~[etag+dep content-type+(moon mit)] bod]
+    =+  hit=[200 ~[etag+dep content-type+(en-mite mit)] bod]
     (give-thou (add-cookies cug hit))
   ::
   ++  add-auth
diff --git a/sys/zuse.hoon b/sys/zuse.hoon
index 6d3f93cdb..91fd82a2f 100644
--- a/sys/zuse.hoon
+++ b/sys/zuse.hoon
@@ -3445,19 +3445,19 @@
   =,  ^eyre
   |%
   ::                                                    ::
-  ::::                    ++mime:html                   ::  (2e1) MIME
+  ::::                    ++mimes:html                  ::  (2e1) MIME
     ::                                                  ::::
-  ++  mime  ^?
+  ++  mimes  ^?
     |%
-    ::                                                  ::  ++as-octs:mime:html
+    ::                                                  ::  ++as-octs:mimes:html
     ++  as-octs                                         ::  atom to octstream
       |=  tam/@  ^-  octs
       [(met 3 tam) tam]
-    ::                                                  ::  ++as-octt:mime:html
+    ::                                                  ::  ++as-octt:mimes:html
     ++  as-octt                                         ::  tape to octstream
       |=  tep/tape  ^-  octs
       (as-octs (rap 3 tep))
-    ::                                                  ::  ++en-mite:mime:html
+    ::                                                  ::  ++en-mite:mimes:html
     ++  en-mite                                         ::  mime type to text
       |=  myn/mite
       %-  crip
@@ -3465,7 +3465,7 @@
       ?~  myn  ~
       ?:  =(~ t.myn)  (trip i.myn)
       (weld (trip i.myn) `tape`['/' $(myn t.myn)])
-    ::                                                  ::  ++en-base64:mime:
+    ::                                                  ::  ++en-base64:mimes:
     ++  en-base64                                       ::  encode base64
       |=  tig/@
       ^-  tape
@@ -3480,7 +3480,7 @@
           =+  d=(end 0 6 pad)
           [(cut 3 [d 1] cha) $(pad (rsh 0 6 pad))]
       (weld (flop (slag poc sif)) (reap poc '='))
-    ::                                                  ::  ++de-base64:mime:
+    ::                                                  ::  ++de-base64:mimes:
     ++  de-base64                                       ::  decode base64
       =-  |=(a/cord (rash a fel))
       =<  fel=(cook |~(a/@ `@t`(swp 3 a)) (bass 64 .))
@@ -3493,7 +3493,7 @@
          (cold 62 (just '+'))
          (cold 63 (just '/'))
        ==
-    --  ::bytes
+    --  ::mimes
   ::                                                    ::  ++en-json:html
   ++  en-json                                           ::  print json
     |^  |=(val/json (apex val ""))
@@ -4570,8 +4570,7 @@
 ++  dill  !!
 ++  eyre  ^?
   |%
-  ++  base64  [sifo=en-base64 ofis=de-base64]:mime:html
-  ++  bytes  [moon=en-mite taco=as-octs tact=as-octt]:mime:html
+  ++  bytes  [taco=as-octs tact=as-octt]:mimes:html
   ++  url
     =>  html  ^?
     |%