diff --git a/tildes/alembic/versions/24014adda7c3_add_topic_link_edit_to_logeventtype.py b/tildes/alembic/versions/24014adda7c3_add_topic_link_edit_to_logeventtype.py
new file mode 100644
index 0000000..8230442
--- /dev/null
+++ b/tildes/alembic/versions/24014adda7c3_add_topic_link_edit_to_logeventtype.py
@@ -0,0 +1,35 @@
+"""Add TOPIC_LINK_EDIT to logeventtype
+
+Revision ID: 24014adda7c3
+Revises: 7ac1aad64144
+Create Date: 2019-03-14 21:57:27.057187
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "24014adda7c3"
+down_revision = "7ac1aad64144"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ALTER TYPE doesn't work from inside a transaction, disable it
+    connection = None
+    if not op.get_context().as_sql:
+        connection = op.get_bind()
+        connection.execution_options(isolation_level="AUTOCOMMIT")
+
+    op.execute("ALTER TYPE logeventtype ADD VALUE IF NOT EXISTS 'TOPIC_LINK_EDIT'")
+
+    # re-activate the transaction for any future migrations
+    if connection is not None:
+        connection.execution_options(isolation_level="READ_COMMITTED")
+
+
+def downgrade():
+    # can't remove from enums, do nothing
+    pass
diff --git a/tildes/tildes/enums.py b/tildes/tildes/enums.py
index d5c693c..c686521 100644
--- a/tildes/tildes/enums.py
+++ b/tildes/tildes/enums.py
@@ -74,6 +74,7 @@ class LogEventType(enum.Enum):
     COMMENT_REMOVE = enum.auto()
     COMMENT_UNREMOVE = enum.auto()
 
+    TOPIC_LINK_EDIT = enum.auto()
     TOPIC_LOCK = enum.auto()
     TOPIC_MOVE = enum.auto()
     TOPIC_POST = enum.auto()
diff --git a/tildes/tildes/models/log/log.py b/tildes/tildes/models/log/log.py
index 46ca2ed..b5e7a44 100644
--- a/tildes/tildes/models/log/log.py
+++ b/tildes/tildes/models/log/log.py
@@ -164,6 +164,10 @@ class LogTopic(DatabaseModel, BaseLog):
             old_title = self.info["old"]
             new_title = self.info["new"]
             return f'changed title from "{old_title}" to "{new_title}"'
+        elif self.event_type == LogEventType.TOPIC_LINK_EDIT:
+            old_link = self.info["old"]
+            new_link = self.info["new"]
+            return f"changed link from {old_link} to {new_link}"
 
         return f"performed action {self.event_type.name}"
 
diff --git a/tildes/tildes/models/topic/topic.py b/tildes/tildes/models/topic/topic.py
index 9cc8809..1e51902 100644
--- a/tildes/tildes/models/topic/topic.py
+++ b/tildes/tildes/models/topic/topic.py
@@ -304,6 +304,10 @@ class Topic(DatabaseModel):
         acl.append((Allow, "admin", "edit_title"))
         acl.append((Allow, "topic.edit_title", "edit_title"))
 
+        if self.is_link_type:
+            acl.append((Allow, "admin", "edit_link"))
+            acl.append((Allow, "topic.edit_link", "edit_link"))
+
         # bookmark:
         #  - logged-in users can bookmark topics
         acl.append((Allow, Authenticated, "bookmark"))
diff --git a/tildes/tildes/routes.py b/tildes/tildes/routes.py
index 1ad81d1..7b1550a 100644
--- a/tildes/tildes/routes.py
+++ b/tildes/tildes/routes.py
@@ -115,6 +115,7 @@ def add_intercooler_routes(config: Configurator) -> None:
     with config.route_prefix_context("/topics/{topic_id36}"):
         add_ic_route("topic_comments", "/comments", factory=topic_by_id36)
         add_ic_route("topic_group", "/group", factory=topic_by_id36)
+        add_ic_route("topic_link", "/link", factory=topic_by_id36)
         add_ic_route("topic_lock", "/lock", factory=topic_by_id36)
         add_ic_route("topic_remove", "/remove", factory=topic_by_id36)
         add_ic_route("topic_title", "/title", factory=topic_by_id36)
diff --git a/tildes/tildes/templates/intercooler/topic_link_edit.jinja2 b/tildes/tildes/templates/intercooler/topic_link_edit.jinja2
new file mode 100644
index 0000000..091278c
--- /dev/null
+++ b/tildes/tildes/templates/intercooler/topic_link_edit.jinja2
@@ -0,0 +1,19 @@
+{# Copyright (c) 2019 Tildes contributors <code@tildes.net> #}
+{# SPDX-License-Identifier: AGPL-3.0-or-later #}
+
+<form method="post" name="topic-link-edit"
+    autocomplete="off"
+    data-ic-patch-to="{{ request.route_url(
+      'ic_topic',
+      topic_id36=topic.topic_id36,
+    ) }}"
+    data-ic-target=".topic-full-link:first"
+    data-js-remove-on-success
+>
+  <label class="form-label" for="link">Link:</label>
+  <input class="form-input" type="URL" name="link" id="link" value="{{ topic.link }}" data-js-auto-focus>
+  <div class="form-buttons">
+    <button class="btn btn-primary" type="submit">Update link</button>
+    <button type="button" class="btn btn-link" data-js-cancel-button>Cancel</button>
+  </div>
+</form>
diff --git a/tildes/tildes/templates/topic.jinja2 b/tildes/tildes/templates/topic.jinja2
index e3a2915..9d58984 100644
--- a/tildes/tildes/templates/topic.jinja2
+++ b/tildes/tildes/templates/topic.jinja2
@@ -66,7 +66,7 @@
   {% endif %}
 {% endif %}
 
-{% if request.has_any_permission(('edit', 'delete', 'tag', 'lock', 'move', 'edit_title', 'remove', 'bookmark'), topic) %}
+{% if request.has_any_permission(('edit', 'delete', 'tag', 'lock', 'move', 'edit_link', 'edit_title', 'remove', 'bookmark'), topic) %}
   <menu class="btn-post">
     {% if request.has_permission('edit', topic) %}
       <li><button class="btn-post-action" name="edit"
@@ -122,6 +122,17 @@
       >Edit title</button>
     {% endif %}
 
+    {% if request.has_permission('edit_link', topic) %}
+      <li><button class="btn-post-action" name="edit-link"
+        data-ic-get-from="{{ request.route_url(
+          'ic_topic_link',
+          topic_id36=topic.topic_id36,
+        ) }}"
+        data-ic-swap-style="replace"
+        data-ic-target=".topic-full .btn-post:first + .btn-post-settings"
+      >Edit link</button>
+    {% endif %}
+
     {% if request.has_permission('lock', topic) %}
       <li>
       {% if not topic.is_locked %}
diff --git a/tildes/tildes/views/api/web/topic.py b/tildes/tildes/views/api/web/topic.py
index 6a94965..47d0a82 100644
--- a/tildes/tildes/views/api/web/topic.py
+++ b/tildes/tildes/views/api/web/topic.py
@@ -316,6 +316,45 @@ def patch_topic_title(request: Request, title: str) -> dict:
     return Response(topic.title)
 
 
+@ic_view_config(
+    route_name="topic_link",
+    request_method="GET",
+    renderer="topic_link_edit.jinja2",
+    permission="edit_link",
+)
+def get_topic_link(request: Request) -> dict:
+    """Get the form for editing a topic's link with Intercooler."""
+    return {"topic": request.context}
+
+
+@ic_view_config(
+    route_name="topic",
+    request_param="ic-trigger-name=topic-link-edit",
+    request_method="PATCH",
+    permission="edit_link",
+)
+@use_kwargs(TopicSchema(only=("link",)))
+def patch_topic_link(request: Request, link: str) -> dict:
+    """Edit a topic's link with Intercooler."""
+    topic = request.context
+
+    if link == topic.link:
+        return IC_NOOP
+
+    request.db_session.add(
+        LogTopic(
+            LogEventType.TOPIC_LINK_EDIT,
+            request,
+            topic,
+            info={"old": topic.link, "new": link},
+        )
+    )
+
+    topic.link = link
+
+    return Response(f'<a href="{topic.link}">{topic.link}</a>')
+
+
 @ic_view_config(
     route_name="topic_bookmark", request_method="PUT", permission="bookmark"
 )
diff --git a/tildes/tildes/views/topic.py b/tildes/tildes/views/topic.py
index adcef02..602f522 100644
--- a/tildes/tildes/views/topic.py
+++ b/tildes/tildes/views/topic.py
@@ -269,6 +269,7 @@ def get_topic(request: Request, comment_order: CommentSortOption) -> dict:
 
     # check if there are any items in the log to show
     visible_events = (
+        LogEventType.TOPIC_LINK_EDIT,
         LogEventType.TOPIC_LOCK,
         LogEventType.TOPIC_MOVE,
         LogEventType.TOPIC_REMOVE,