diff --git a/jsonifier.cabal b/jsonifier.cabal
--- a/jsonifier.cabal
+++ b/jsonifier.cabal
@@ -1,5 +1,5 @@
 name: jsonifier
-version: 0.1.2.1
+version: 0.2
 synopsis: Fast and simple JSON encoding toolkit
 description:
   Minimalistic library for encoding JSON directly to strict bytestring,
@@ -43,7 +43,7 @@
   build-depends:
     base >=4.11 && <5,
     bytestring >=0.10.10 && <0.12,
-    ptr-poker >=0.1.1.3 && <0.2,
+    ptr-poker >=0.1.2.2 && <0.2,
     scientific >=0.3.6.2 && <0.4,
     text >=1 && <2
 
diff --git a/library/Jsonifier.hs b/library/Jsonifier.hs
--- a/library/Jsonifier.hs
+++ b/library/Jsonifier.hs
@@ -28,7 +28,8 @@
     object,
 
     -- ** Low-level
-    writeJson,
+    fromByteString,
+    fromWrite,
   )
 where
 
@@ -59,8 +60,6 @@
 
 -- * Json
 
--------------------------
-
 -- |
 -- Specification of how to render a JSON value to 'ByteString'.
 -- Sort of a JSON-specialized 'ByteString' builder.
@@ -216,6 +215,18 @@
           Poke.openingCurlyBracket <> bodyPoke <> Poke.closingCurlyBracket
 
 -- |
+-- Any JSON literal manually rendered as ByteString.
+--
+-- This is a low-level function allowing to avoid unnecessary processing
+-- in cases where you already have a rendered JSON at hand.
+--
+-- __Warning:__
+--
+-- It is your responsibility to ensure that the content is correct JSON.
+fromByteString :: ByteString.ByteString -> Json
+fromByteString = Json . Write.byteString
+
+-- |
 -- Any JSON literal manually rendered as Write.
 --
 -- This is a low-level function allowing to avoid unnecessary processing
@@ -230,5 +241,5 @@
 --
 -- It is your responsibility to ensure that the content is correct,
 -- otherwise you may produce invalid JSON.
-writeJson :: Write.Write -> Json
-writeJson = coerce
+fromWrite :: Write.Write -> Json
+fromWrite = Json