diff --git a/pylib/anki/_backend/__init__.py b/pylib/anki/_backend/__init__.py
index a8d1ca989..ec233f8ea 100644
--- a/pylib/anki/_backend/__init__.py
+++ b/pylib/anki/_backend/__init__.py
@@ -122,7 +122,7 @@ class Translations(GeneratedTranslations):
         self._backend = backend
 
     def __call__(self, *args: Any, **kwargs: Any) -> str:
-        "Mimic the old col.tr(TR....) interface"
+        "Mimic the old col.tr / TR interface"
         return self._backend().translate(*args, **kwargs)
 
     def _translate(
diff --git a/pylib/anki/collection.py b/pylib/anki/collection.py
index ed8e22be9..710d4834e 100644
--- a/pylib/anki/collection.py
+++ b/pylib/anki/collection.py
@@ -818,7 +818,7 @@ table.review-log {{ {revlog_style} }}
             return UndoStatus()
 
         if isinstance(self._undo, _ReviewsUndo):
-            return UndoStatus(undo=self.tr(TR.SCHEDULING_REVIEW))
+            return UndoStatus(undo=self.tr.scheduling_review())
         elif isinstance(self._undo, Checkpoint):
             return UndoStatus(undo=self._undo.name)
         else:
@@ -975,7 +975,7 @@ table.review-log {{ {revlog_style} }}
         try:
             problems = list(self._backend.check_database())
             ok = not problems
-            problems.append(self.tr(TR.DATABASE_CHECK_REBUILT))
+            problems.append(self.tr.database_check_rebuilt())
         except DBError as e:
             problems = [str(e.args[0])]
             ok = False
diff --git a/pylib/anki/decks.py b/pylib/anki/decks.py
index af402b778..a39513a87 100644
--- a/pylib/anki/decks.py
+++ b/pylib/anki/decks.py
@@ -405,7 +405,7 @@ class DeckManager:
         deck = self.get(did, default=default)
         if deck:
             return deck["name"]
-        return self.col.tr(TR.DECKS_NO_DECK)
+        return self.col.tr.decks_no_deck()
 
     def name_if_exists(self, did: DeckID) -> Optional[str]:
         deck = self.get(did, default=False)
diff --git a/pylib/anki/exporting.py b/pylib/anki/exporting.py
index f169dfb91..4b851ad93 100644
--- a/pylib/anki/exporting.py
+++ b/pylib/anki/exporting.py
@@ -15,7 +15,6 @@ from anki import hooks
 from anki.cards import CardID
 from anki.collection import Collection
 from anki.decks import DeckID
-from anki.lang import TR
 from anki.utils import ids2str, namedtmp, splitFields, stripHTML
 
 
@@ -105,7 +104,7 @@ class TextCardExporter(Exporter):
 
     @staticmethod
     def key(col: Collection) -> str:
-        return col.tr(TR.EXPORTING_CARDS_IN_PLAIN_TEXT)
+        return col.tr.exporting_cards_in_plain_text()
 
     def doExport(self, file) -> None:
         ids = sorted(self.cardIds())
@@ -140,7 +139,7 @@ class TextNoteExporter(Exporter):
 
     @staticmethod
     def key(col: Collection) -> str:
-        return col.tr(TR.EXPORTING_NOTES_IN_PLAIN_TEXT)
+        return col.tr.exporting_notes_in_plain_text()
 
     def doExport(self, file: BufferedWriter) -> None:
         cardIds = self.cardIds()
@@ -184,7 +183,7 @@ class AnkiExporter(Exporter):
 
     @staticmethod
     def key(col: Collection) -> str:
-        return col.tr(TR.EXPORTING_ANKI_20_DECK)
+        return col.tr.exporting_anki_20_deck()
 
     def deckIds(self) -> List[DeckID]:
         if self.cids:
@@ -333,7 +332,7 @@ class AnkiPackageExporter(AnkiExporter):
 
     @staticmethod
     def key(col: Collection) -> str:
-        return col.tr(TR.EXPORTING_ANKI_DECK_PACKAGE)
+        return col.tr.exporting_anki_deck_package()
 
     def exportInto(self, path: str) -> None:
         # open a zip file
@@ -420,7 +419,7 @@ class AnkiCollectionPackageExporter(AnkiPackageExporter):
 
     @staticmethod
     def key(col: Collection) -> str:
-        return col.tr(TR.EXPORTING_ANKI_COLLECTION_PACKAGE)
+        return col.tr.exporting_anki_collection_package()
 
     def doExport(self, z, path):
         "Export collection. Caller must re-open afterwards."
diff --git a/pylib/anki/importing/anki2.py b/pylib/anki/importing/anki2.py
index bf92198d4..4cb4e9853 100644
--- a/pylib/anki/importing/anki2.py
+++ b/pylib/anki/importing/anki2.py
@@ -168,16 +168,16 @@ class Anki2Importer(Importer):
 
         if dupesIgnored:
             for row in dupesIgnored:
-                self._logNoteRow(self.dst.tr(TR.IMPORTING_SKIPPED), row)
+                self._logNoteRow(self.dst.tr.importing_skipped(), row)
         if update:
             for row in update:
-                self._logNoteRow(self.dst.tr(TR.IMPORTING_UPDATED), row)
+                self._logNoteRow(self.dst.tr.importing_updated(), row)
         if add:
             for row in add:
-                self._logNoteRow(self.dst.tr(TR.ADDING_ADDED), row)
+                self._logNoteRow(self.dst.tr.adding_added(), row)
         if dupesIdentical:
             for row in dupesIdentical:
-                self._logNoteRow(self.dst.tr(TR.IMPORTING_IDENTICAL), row)
+                self._logNoteRow(self.dst.tr.importing_identical(), row)
 
         # export info for calling code
         self.dupes = len(dupesIdentical)
diff --git a/pylib/anki/importing/mnemo.py b/pylib/anki/importing/mnemo.py
index f3cafedbd..5e0ca41bf 100644
--- a/pylib/anki/importing/mnemo.py
+++ b/pylib/anki/importing/mnemo.py
@@ -22,7 +22,7 @@ class MnemosyneImporter(NoteImporter):
         ver = db.scalar("select value from global_variables where key='version'")
         if not ver.startswith("Mnemosyne SQL 1") and ver not in ("2", "3"):
             self.log.append(
-                self.col.tr(TR.IMPORTING_FILE_VERSION_UNKNOWN_TRYING_IMPORT_ANYWAY)
+                self.col.tr.importing_file_version_unknown_trying_import_anyway()
             )
         # gather facts into temp objects
         curid = None
diff --git a/pylib/anki/latex.py b/pylib/anki/latex.py
index e7bab9dce..7b6e2c0f5 100644
--- a/pylib/anki/latex.py
+++ b/pylib/anki/latex.py
@@ -174,7 +174,7 @@ def _errMsg(col: anki.collection.Collection, type: str, texpath: str) -> Any:
             raise Exception()
         msg += f"<small><pre>{html.escape(log)}</pre></small>"
     except:
-        msg += col.tr(TR.MEDIA_HAVE_YOU_INSTALLED_LATEX_AND_DVIPNGDVISVGM)
+        msg += col.tr.media_have_you_installed_latex_and_dvipngdvisvgm()
     return msg
 
 
diff --git a/pylib/anki/scheduler/v2.py b/pylib/anki/scheduler/v2.py
index 2b644b5da..c3d5524b9 100644
--- a/pylib/anki/scheduler/v2.py
+++ b/pylib/anki/scheduler/v2.py
@@ -1133,7 +1133,7 @@ and (queue={QUEUE_TYPE_NEW} or (queue={QUEUE_TYPE_REV} and due<=?))""",
         "Return the next interval for CARD as a string."
         ivl_secs = self.nextIvl(card, ease)
         if not ivl_secs:
-            return self.col.tr(TR.SCHEDULING_END)
+            return self.col.tr.scheduling_end()
         s = self.col.format_timespan(ivl_secs, FormatTimeSpan.ANSWER_BUTTONS)
         if ivl_secs < self.col.conf["collapseTime"]:
             s = "<" + s
diff --git a/pylib/tests/test_collection.py b/pylib/tests/test_collection.py
index 1a0c64822..81d790628 100644
--- a/pylib/tests/test_collection.py
+++ b/pylib/tests/test_collection.py
@@ -151,7 +151,7 @@ def test_translate():
     no_uni = without_unicode_isolation
 
     assert (
-        col.tr(TR.CARD_TEMPLATE_RENDERING_FRONT_SIDE_PROBLEM)
+        col.tr.card_template_rendering_front_side_problem()
         == "Front template has a problem:"
     )
     assert no_uni(col.tr(TR.STATISTICS_REVIEWS, reviews=1)) == "1 review"
diff --git a/pylib/tools/BUILD.bazel b/pylib/tools/BUILD.bazel
index 3e7f6c9e6..3c97bdc7c 100644
--- a/pylib/tools/BUILD.bazel
+++ b/pylib/tools/BUILD.bazel
@@ -46,6 +46,17 @@ py_binary(
     ],
 )
 
+py_binary(
+    name = "rewrite_tr",
+    srcs = [
+        "rewrite_tr.py",
+    ],
+    tags = ["manual"],
+    deps = [
+        requirement("stringcase"),
+    ],
+)
+
 filegroup(
     name = "py_source_files",
     srcs = glob(["*.py"]),
diff --git a/pylib/tools/rewrite_tr.py b/pylib/tools/rewrite_tr.py
new file mode 100644
index 000000000..875bdf5ac
--- /dev/null
+++ b/pylib/tools/rewrite_tr.py
@@ -0,0 +1,41 @@
+# Copyright: Ankitects Pty Ltd and contributors
+# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
+from __future__ import annotations
+
+import os
+import re
+from re import Match
+
+import stringcase
+
+TR_REF = re.compile(r"\.tr\(TR.([^,)]+)\)")
+
+
+def repl(m: Match) -> str:
+    name = m.group(1).lower()
+    return f".tr.{name}()"
+
+
+def update_py(path: str) -> None:
+    buf = []
+    changed = False
+    for line in open(path):
+        line2 = TR_REF.sub(repl, line)
+        if line != line2:
+            buf.append(line2)
+            changed = True
+        else:
+            buf.append(line)
+
+    if changed:
+        open(path, "w").writelines(buf)
+        print("updated", path)
+
+
+for dirpath, dirnames, fnames in os.walk(os.environ["BUILD_WORKSPACE_DIRECTORY"]):
+    if "bazel-" in dirpath:
+        continue
+    for fname in fnames:
+        if fname.endswith(".py"):
+            update_py(os.path.join(dirpath, fname))
diff --git a/qt/aqt/sidebar.py b/qt/aqt/sidebar.py
index 10e1bb67d..bbf6cd3b1 100644
--- a/qt/aqt/sidebar.py
+++ b/qt/aqt/sidebar.py
@@ -307,7 +307,7 @@ class SidebarToolbar(QToolBar):
 class SidebarSearchBar(QLineEdit):
     def __init__(self, sidebar: SidebarTreeView) -> None:
         QLineEdit.__init__(self, sidebar)
-        self.setPlaceholderText(sidebar.col.tr(TR.BROWSING_SIDEBAR_FILTER))
+        self.setPlaceholderText(sidebar.col.tr.browsing_sidebar_filter())
         self.sidebar = sidebar
         self.timer = QTimer(self)
         self.timer.setInterval(600)