diff --git a/modules/rpgmakerace.py b/modules/rpgmakerace.py
index 34a2535..8d5c887 100644
--- a/modules/rpgmakerace.py
+++ b/modules/rpgmakerace.py
@@ -260,6 +260,17 @@ def save_progress_yaml(data, filename):
         traceback.print_exc()
 
 
+def maybe_save_progress_yaml(data, filename, tokens):
+    """Save YAML progress only when tokens indicate actual translation work."""
+    try:
+        if not tokens:
+            return
+        if isinstance(tokens, (list, tuple)) and len(tokens) >= 2 and (tokens[0] or tokens[1]):
+            save_progress_yaml(data, filename)
+    except Exception:
+        traceback.print_exc()
+
+
 def parseMap(data, filename):
     totalTokens = [0, 0]
     totalLines = 0
@@ -297,7 +308,7 @@ def parseMap(data, filename):
                             traceback.print_exc()
                             return [data, totalTokens, e]
                         finally:
-                            save_progress_yaml(data, filename)
+                            maybe_save_progress_yaml(data, filename, tt)
     return [data, totalTokens, None]
 
 
@@ -385,7 +396,7 @@ def parseCommonEvents(data, filename):
                     traceback.print_exc()
                     return [data, totalTokens, e]
                 finally:
-                    save_progress_yaml(data, filename)
+                    maybe_save_progress_yaml(data, filename, tt)
     return [data, totalTokens, None]
 
 
@@ -467,7 +478,7 @@ def parseNames(data, filename, context):
             traceback.print_exc()
             return [data, totalTokens, e]
         finally:
-            save_progress_yaml(data, filename)
+            maybe_save_progress_yaml(data, filename, result)
     return [data, totalTokens, None]
 
 
@@ -503,7 +514,7 @@ def parseSS(data, filename):
                     traceback.print_exc()
                     return [data, totalTokens, e]
                 finally:
-                    save_progress_yaml(data, filename)
+                    maybe_save_progress_yaml(data, filename, result)
     return [data, totalTokens, None]
 
 
@@ -541,7 +552,7 @@ def parseSystem(data, filename):
             traceback.print_exc()
             return [data, totalTokens, e]
         finally:
-            save_progress_yaml(data, filename)
+            maybe_save_progress_yaml(data, filename, result)
     return [data, totalTokens, None]
 
 
@@ -566,7 +577,7 @@ def parseScenario(data, filename):
                     traceback.print_exc()
                     return [data, totalTokens, e]
                 finally:
-                    save_progress_yaml(data, filename)
+                    maybe_save_progress_yaml(data, filename, tt)
     return [data, totalTokens, None]
 
 
diff --git a/modules/rpgmakermvmz.py b/modules/rpgmakermvmz.py
index 170a24b..91c0b9b 100644
--- a/modules/rpgmakermvmz.py
+++ b/modules/rpgmakermvmz.py
@@ -308,6 +308,20 @@ def saveProgress(data, filename):
         traceback.print_exc()
 
 
+def checkSave(data, filename, tokens):
+    """Save progress only if the given tokens reflect an actual translation.
+    tokens should be a [input_tokens, output_tokens] pair returned by a search/translate call.
+    """
+    try:
+        if not tokens:
+            return
+        if (isinstance(tokens, (list, tuple)) and len(tokens) >= 2 and (tokens[0] or tokens[1])):
+            saveProgress(data, filename)
+    except Exception:
+        # Don't let saving issues affect the translation flow
+        traceback.print_exc()
+
+
 def update_vocab_section(category: str, pairs: list[tuple[str, str]]):
     """Update or insert a section in vocab.txt for the given category with provided pairs.
     Only writes when there's an actual translation (dst is non-empty and differs from src after normalization).
@@ -493,8 +507,8 @@ def parseMap(data, filename):
                             return [data, totalTokens, e]
                         finally:
                             pbar.update(len(page.get("list", [])))
-                            # Persist progress after each page
-                            saveProgress(data, filename)
+                            # Persist progress only if this page produced tokens
+                            checkSave(data, filename, totalTokensPage)
     return [data, totalTokens, None]
 
 
@@ -583,8 +597,8 @@ def parseCommonEvents(data, filename):
                     return [data, totalTokens, e]
                 finally:
                     pbar.update(len(page.get("list", [])))
-                    # Persist progress after each page
-                    saveProgress(data, filename)
+                    # Persist progress only if this page produced tokens
+                    checkSave(data, filename, totalTokensPage)
     return [data, totalTokens, None]
 
 
@@ -615,8 +629,8 @@ def parseTroops(data, filename):
                             return [data, totalTokens, e]
                         finally:
                             pbar.update(len(page.get("list", [])))
-                            # Persist progress after each page
-                            saveProgress(data, filename)
+                            # Persist progress only if this page produced tokens
+                            checkSave(data, filename, totalTokensPage)
     return [data, totalTokens, None]
 
 
@@ -678,8 +692,8 @@ def parseNames(data, filename, context):
             traceback.print_exc()
             return [data, totalTokens, e]
         finally:
-            # Persist progress after completing names pass/batches
-            saveProgress(data, filename)
+            # Persist progress only if this names pass produced tokens
+            checkSave(data, filename, totalTokens)
     return [data, totalTokens, None]
 
 
@@ -715,8 +729,8 @@ def parseSS(data, filename):
                     traceback.print_exc()
                     return [data, totalTokens, e]
                 finally:
-                    # Persist progress after each state
-                    saveProgress(data, filename)
+                    # Persist progress only if this state produced tokens
+                    checkSave(data, filename, result)
     return [data, totalTokens, None]
 
 
@@ -757,8 +771,8 @@ def parseSystem(data, filename):
             traceback.print_exc()
             return [data, totalTokens, e]
         finally:
-            # Persist after system sections processed
-            saveProgress(data, filename)
+            # Persist only if system sections produced tokens
+            checkSave(data, filename, result)
     return [data, totalTokens, None]
 
 
@@ -784,8 +798,8 @@ def parseScenario(data, filename):
                     return [data, totalTokens, e]
                 finally:
                     pbar.update(len(page[1]))
-                    # Persist progress after each page
-                    saveProgress(data, filename)
+                    # Persist progress only if this page produced tokens
+                    checkSave(data, filename, totalTokensPage)
     return [data, totalTokens, None]
 
 
@@ -987,11 +1001,15 @@ def searchNames(data, pbar, context, filename):
         if batchFull == True or i >= len(data):
             k = j  # Original Index
             if context in "Actors":
+                # Track tokens for this batch
+                batchTokens = [0, 0]
                 # Name
                 response = translateAI(nameList, newContext, True)
                 translatedNameBatch = response[0]
                 totalTokens[0] += response[1][0]
                 totalTokens[1] += response[1][1]
+                batchTokens[0] += response[1][0]
+                batchTokens[1] += response[1][1]
                 if pbar is not None and nameList:
                     pbar.update(len(nameList))
                     pbar.refresh()
@@ -1002,6 +1020,8 @@ def searchNames(data, pbar, context, filename):
                     translatedNicknameBatch = response[0]
                     totalTokens[0] += response[1][0]
                     totalTokens[1] += response[1][1]
+                    batchTokens[0] += response[1][0]
+                    batchTokens[1] += response[1][1]
                     if pbar is not None:
                         pbar.update(len(nicknameList))
                         pbar.refresh()
@@ -1012,6 +1032,8 @@ def searchNames(data, pbar, context, filename):
                     translatedProfileBatch = response[0]
                     totalTokens[0] += response[1][0]
                     totalTokens[1] += response[1][1]
+                    batchTokens[0] += response[1][0]
+                    batchTokens[1] += response[1][1]
                     if pbar is not None:
                         pbar.update(len(profileList))
                         pbar.refresh()
@@ -1047,17 +1069,21 @@ def searchNames(data, pbar, context, filename):
                                 batchFull = False
                                 filling = False
                             j += 1
-                    # Persist after applying this batch
-                    saveProgress(data, filename)
+                    # Persist after applying this batch only if we actually translated something in this batch
+                    checkSave(data, filename, batchTokens)
                 else:
                     mismatch = True
 
             if context in ["Armors", "Weapons", "Items", "Skills"]:
+                # Track tokens for this batch
+                batchTokens = [0, 0]
                 # Name
                 response = translateAI(nameList, newContext, True)
                 translatedNameBatch = response[0]
                 totalTokens[0] += response[1][0]
                 totalTokens[1] += response[1][1]
+                batchTokens[0] += response[1][0]
+                batchTokens[1] += response[1][1]
                 if pbar is not None and nameList:
                     pbar.update(len(nameList))
                     pbar.refresh()
@@ -1072,6 +1098,8 @@ def searchNames(data, pbar, context, filename):
                     translatedDescriptionBatch = response[0]
                     totalTokens[0] += response[1][0]
                     totalTokens[1] += response[1][1]
+                    batchTokens[0] += response[1][0]
+                    batchTokens[1] += response[1][1]
                     if pbar is not None:
                         pbar.update(len(descriptionList))
                         pbar.refresh()
@@ -1107,15 +1135,19 @@ def searchNames(data, pbar, context, filename):
                                 batchFull = False
                                 filling = False
                             j += 1
-                    # Persist after applying this batch
-                    saveProgress(data, filename)
+                    # Persist after applying this batch only if we actually translated something in this batch
+                    checkSave(data, filename, batchTokens)
                 else:
                     mismatch = True
             if context in ["Enemies", "Classes", "MapInfos"]:
+                # Track tokens for this batch
+                batchTokens = [0, 0]
                 response = translateAI(nameList, newContext, True)
                 translatedNameBatch = response[0]
                 totalTokens[0] += response[1][0]
                 totalTokens[1] += response[1][1]
+                batchTokens[0] += response[1][0]
+                batchTokens[1] += response[1][1]
                 if pbar is not None and nameList:
                     pbar.update(len(nameList))
                     pbar.refresh()
@@ -1146,8 +1178,8 @@ def searchNames(data, pbar, context, filename):
                                 batchFull = False
                                 filling = False
                             j += 1
-                    # Persist after applying this batch
-                    saveProgress(data, filename)
+                    # Persist after applying this batch only if we actually translated something in this batch
+                    checkSave(data, filename, batchTokens)
                 else:
                     mismatch = True
 
diff --git a/modules/rpgmakerplugin.py b/modules/rpgmakerplugin.py
index cf49ebf..34186e6 100644
--- a/modules/rpgmakerplugin.py
+++ b/modules/rpgmakerplugin.py
@@ -198,6 +198,17 @@ def save_progress_lines(lines, filename, encoding="utf_8"):
         traceback.print_exc()
 
 
+def saveCheckLines(lines, filename, tokens=None, encoding="utf_8"):
+    """Save progress only when tokens indicate work or when explicitly called after a mutation."""
+    try:
+        if tokens is not None:
+            if not (isinstance(tokens, (list, tuple)) and len(tokens) >= 2 and (tokens[0] or tokens[1])):
+                return
+        save_progress_lines(lines, filename, encoding=encoding)
+    except Exception:
+        traceback.print_exc()
+
+
 def translatePlugin(data, pbar, filename, translatedList):
     if len(translatedList) > 0:
         questList = translatedList[0]
@@ -281,7 +292,7 @@ def translatePlugin(data, pbar, filename, translatedList):
                             with open("translations.txt", "a+", encoding="utf-8") as tlFile:
                                 tlFile.write(f"{originalString} ({translatedText})\n")
                             data[i] = data[i].replace(originalString, translatedText)
-                            save_progress_lines(data, filename)
+                            saveCheckLines(data, filename)
 
         # Quest Name
         regex = r'[\\]+"QuestName[\\]+":[\\]+"(.*?)[\\]+"'
@@ -318,7 +329,7 @@ def translatePlugin(data, pbar, filename, translatedList):
 
                             # Set Data
                             data[i] = data[i].replace(originalString, translatedText)
-                            save_progress_lines(data, filename)
+                            saveCheckLines(data, filename)
 
         # Quest Client
         regex = r'QuestClientName[\\]+":[\\]+"(.*?)[\\]+"'
@@ -352,7 +363,7 @@ def translatePlugin(data, pbar, filename, translatedList):
 
                             # Set Data
                             data[i] = data[i].replace(originalString, translatedText)
-                            save_progress_lines(data, filename)
+                            saveCheckLines(data, filename)
 
         # Quest Location
         regex = r'QuestLocation[\\]+":[\\]+"(.*?)[\\]+"'
@@ -386,7 +397,7 @@ def translatePlugin(data, pbar, filename, translatedList):
 
                             # Set Data
                             data[i] = data[i].replace(originalString, translatedText)
-                            save_progress_lines(data, filename)
+                            saveCheckLines(data, filename)
 
         # Quest Target
         regex = r'PlaceInformation[\\]+":[\\]+"(.*?)[\\]+"'
@@ -420,7 +431,7 @@ def translatePlugin(data, pbar, filename, translatedList):
 
                             # Set Data
                             data[i] = data[i].replace(originalString, translatedText)
-                            save_progress_lines(data, filename)
+                            saveCheckLines(data, filename)
 
         # Quest Summary
         regex = r'[\\]+"QuestContent[\\]+":[\\]+"[\\]+"(.*?)[\\]+"[\\]+"'
@@ -463,7 +474,7 @@ def translatePlugin(data, pbar, filename, translatedList):
 
                             # Set Data
                             data[i] = data[i].replace(originalString, translatedText)
-                            save_progress_lines(data, filename)
+                            saveCheckLines(data, filename)
 
         # Quest Goal 1
         regex = r'ObjectiveContent[\\]+":[\\]+"[\\]+"(.*?)[\\]+"'
@@ -504,7 +515,7 @@ def translatePlugin(data, pbar, filename, translatedList):
 
                             # Set Data
                             data[i] = data[i].replace(originalString, translatedText)
-                            save_progress_lines(data, filename)
+                            saveCheckLines(data, filename)
 
         # Next Line
         i += 1
diff --git a/modules/text.py b/modules/text.py
index 40eb24a..d2a6fdc 100644
--- a/modules/text.py
+++ b/modules/text.py
@@ -192,6 +192,17 @@ def save_progress_lines(lines, filename, encoding="utf-8"):
         traceback.print_exc()
 
 
+def saveCheckLines(lines, filename, tokens=None, encoding="utf-8"):
+    """Save progress only when tokens indicate work or when explicitly called after a mutation."""
+    try:
+        if tokens is not None:
+            if not (isinstance(tokens, (list, tuple)) and len(tokens) >= 2 and (tokens[0] or tokens[1])):
+                return
+        save_progress_lines(lines, filename, encoding=encoding)
+    except Exception:
+        traceback.print_exc()
+
+
 def translateTxt(data, filename, translatedList):
     if translatedList:
         stringList = translatedList[0]
@@ -246,7 +257,7 @@ def translateTxt(data, filename, translatedList):
 
                     # Set Data
                     data[i] = f"{translatedText}\n"
-                    save_progress_lines(data, filename)
+                    saveCheckLines(data, filename)
 
             i += 1
         else:
diff --git a/modules/tyrano.py b/modules/tyrano.py
index 2573946..6975c84 100644
--- a/modules/tyrano.py
+++ b/modules/tyrano.py
@@ -192,6 +192,18 @@ def save_progress_lines(lines, filename, encoding="utf-8"):
         traceback.print_exc()
 
 
+def saveCheckLines(lines, filename, tokens=None, encoding="utf-8"):
+    """Save progress only when tokens indicate work or when tokens is None but we know a mutation occurred."""
+    try:
+        # If explicit tokens provided, gate on tokens; otherwise assume we were called on actual mutation
+        if tokens is not None:
+            if not (isinstance(tokens, (list, tuple)) and len(tokens) >= 2 and (tokens[0] or tokens[1])):
+                return
+        save_progress_lines(lines, filename, encoding=encoding)
+    except Exception:
+        traceback.print_exc()
+
+
 def translateTyrano(data, filename, translatedList):
     if translatedList:
         stringList = translatedList[0]
@@ -313,8 +325,8 @@ def translateTyrano(data, filename, translatedList):
 
                     # Set Data
                     data[i] = data[i].replace(originalString, translatedText)
-                    # Save progress after each line change
-                    save_progress_lines(data, filename)
+                    # Save progress after each line change (we mutated, so tokens gate optional)
+                    saveCheckLines(data, filename)
 
         # Choices
         match = re.search(choiceRegex, data[i])
@@ -335,7 +347,7 @@ def translateTyrano(data, filename, translatedList):
 
                 # Set
                 data[i] = data[i].replace(match.group(1), translatedText)
-                save_progress_lines(data, filename)
+                saveCheckLines(data, filename)
 
             i += 1
         else:
diff --git a/modules/unity.py b/modules/unity.py
index 90f2346..a979b28 100644
--- a/modules/unity.py
+++ b/modules/unity.py
@@ -206,6 +206,17 @@ def save_progress_lines(lines, filename, encoding="utf-8"):
         traceback.print_exc()
 
 
+def saveCheckLines(lines, filename, tokens=None, encoding="utf-8"):
+    """Save progress only when tokens indicate work or when explicitly called after a mutation."""
+    try:
+        if tokens is not None:
+            if not (isinstance(tokens, (list, tuple)) and len(tokens) >= 2 and (tokens[0] or tokens[1])):
+                return
+        save_progress_lines(lines, filename, encoding=encoding)
+    except Exception:
+        traceback.print_exc()
+
+
 def translateUnity(data, pbar, filename, translatedList):
     stringList = []
     tokens = [0, 0]
@@ -259,7 +270,7 @@ def translateUnity(data, pbar, filename, translatedList):
 
                     # Set Data
                     data[i] = f"{leftString}={translatedText}\n"
-                    save_progress_lines(data, filename)
+                    saveCheckLines(data, filename)
             i += 1
 
         # Nothing relevant. Skip Line.
diff --git a/modules/wolf.py b/modules/wolf.py
index 5ca1d04..1ce4bbb 100644
--- a/modules/wolf.py
+++ b/modules/wolf.py
@@ -205,6 +205,17 @@ def save_progress_json(data, filename):
         traceback.print_exc()
 
 
+def maybe_save_progress_json(data, filename, tokens):
+    """Save JSON progress only when tokens indicate actual translation work."""
+    try:
+        if not tokens:
+            return
+        if isinstance(tokens, (list, tuple)) and len(tokens) >= 2 and (tokens[0] or tokens[1]):
+            save_progress_json(data, filename)
+    except Exception:
+        traceback.print_exc()
+
+
 def parseOther(data, filename):
     totalTokens = [0, 0]
     totalLines = 0
@@ -222,7 +233,7 @@ def parseOther(data, filename):
         except Exception as e:
             return [data, totalTokens, e]
         finally:
-            save_progress_json(data, filename)
+            maybe_save_progress_json(data, filename, translationData)
     return [data, totalTokens, None]
 
 
@@ -243,7 +254,7 @@ def parseDB(data, filename):
         except Exception as e:
             return [data, totalTokens, e]
         finally:
-            save_progress_json(data, filename)
+            maybe_save_progress_json(data, filename, translationData)
     return [data, totalTokens, None]
 
 
@@ -274,7 +285,7 @@ def parseMap(data, filename):
                         except Exception as e:
                             return [data, totalTokens, e]
                         finally:
-                            save_progress_json(data, filename)
+                            maybe_save_progress_json(data, filename, tt)
     return [data, totalTokens, None]
 
 
diff --git a/modules/wolf2.py b/modules/wolf2.py
index a156615..46eee7d 100644
--- a/modules/wolf2.py
+++ b/modules/wolf2.py
@@ -222,6 +222,16 @@ def save_progress_lines(lines, filename, encoding="shift_jis"):
         traceback.print_exc()
 
 
+def saveCheckLines(lines, filename, tokens=None, encoding="shift_jis"):
+    try:
+        if tokens is not None:
+            if not (isinstance(tokens, (list, tuple)) and len(tokens) >= 2 and (tokens[0] or tokens[1])):
+                return
+        save_progress_lines(lines, filename, encoding=encoding)
+    except Exception:
+        traceback.print_exc()
+
+
 def translateWOLF(data, translatedList, pbar, filename):
     stringList = []
     currentGroup = []
@@ -240,7 +250,7 @@ def translateWOLF(data, translatedList, pbar, filename):
             tokens[0] += response[1][0]
             tokens[1] += response[1][1]
             data[i] = data[i].replace(matchList[0], f"{speaker}")
-            save_progress_lines(data, filename)
+            saveCheckLines(data, filename)
             i += 1
         else:
             speaker = ""
@@ -269,7 +279,7 @@ def translateWOLF(data, translatedList, pbar, filename):
                     data[i] = f"//{choiceListTL[0]}\n"
                     choiceListTL.pop(0)
                     i += 1
-                save_progress_lines(data, filename)
+                    saveCheckLines(data, filename)
 
             # Mismatch
             else:
@@ -327,7 +337,7 @@ def translateWOLF(data, translatedList, pbar, filename):
 
                 # Set Data
                 data.insert(i, f"{translatedText}\n")
-                save_progress_lines(data, filename)
+                saveCheckLines(data, filename)
                 i += 1
 
         # Nothing relevant. Skip Line.