diff --git a/weboob/capabilities/collection.py b/weboob/capabilities/collection.py
index 61b4d67b9efcbddeee911c2e76af705732c87b2a..72b7c07153b41391770de3d739a3bf9bdc32e80b 100644
--- a/weboob/capabilities/collection.py
+++ b/weboob/capabilities/collection.py
@@ -17,6 +17,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
+from weboob.tools.ordereddict import OrderedDict
 
 from .base import IBaseCap, CapBaseObject, UserError, StringField, Field
 
@@ -54,6 +55,19 @@ def parent_path(self):
     def path_level(self):
         return len(self.split_path)
 
+    def to_dict(self):
+        def iter_decorate(d):
+            for key, value in d:
+                if key == 'id' and self.backend is not None:
+                    value = u'%s@%s' % (self.basename, self.backend)
+                yield key, value
+
+                if key == 'split_path':
+                    yield key, '/'.join(value)
+
+        fields_iterator = self.iter_fields()
+        return OrderedDict(iter_decorate(fields_iterator))
+
 
 class Collection(BaseCollection):
     """
diff --git a/weboob/tools/application/formatters/json.py b/weboob/tools/application/formatters/json.py
index b4800cede42ddb1aa6f348ec8c809e5e3d71833a..94b23e2be367c56c9a5f246351717d2076a40193 100644
--- a/weboob/tools/application/formatters/json.py
+++ b/weboob/tools/application/formatters/json.py
@@ -57,6 +57,9 @@ def flush(self):
     def format_dict(self, item):
         self.queue.append(item)
 
+    def format_collection(self, collection, only):
+        self.queue.append(collection.to_dict())
+
 
 class JsonLineFormatter(IFormatter):
     """