diff --git a/spacy/cli/convert.py b/spacy/cli/convert.py
index c9a0510a8..0b2800205 100644
--- a/spacy/cli/convert.py
+++ b/spacy/cli/convert.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 
 from pathlib import Path
 
-from .converters import conllu2json
+from .converters import conllu2json, iob2json
 from ..util import prints
 
 
@@ -13,7 +13,8 @@ from ..util import prints
 
 CONVERTERS = {
     '.conllu': conllu2json,
-    '.conll': conllu2json
+    '.conll': conllu2json,
+    '.iob': iob2json
 }
 
 
diff --git a/spacy/cli/converters/__init__.py b/spacy/cli/converters/__init__.py
index a26b4ca3f..9026d16c6 100644
--- a/spacy/cli/converters/__init__.py
+++ b/spacy/cli/converters/__init__.py
@@ -1 +1,2 @@
 from .conllu2json import conllu2json
+from .iob2json import iob2json