Initial Sublime Text's plugin

Default.sublime-commands

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+[
+    {
+        "caption": "Clear Text",
+        "command": "text_cleaner"
+    }
+]

TextCleaner.py

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+import sublime
+import sublime_plugin
+import re
+
+class TextCleanerCommand(sublime_plugin.TextCommand):
+    def run(self, edit):
+        # Load settings from the configuration file.
+        settings = sublime.load_settings("TextCleaner.sublime-settings")
+
+        # Get the entire document text.
+        entire_region = sublime.Region(0, self.view.size())
+        content = self.view.substr(entire_region)
+
+        # Convert tabs to spaces if enabled.
+        if settings.get("expand_tabs", True):
+            tab_size = self.view.settings().get("tab_size", 4)
+            content = content.expandtabs(tab_size)
+
+        # Replace invisible characters with a space if enabled.
+        if settings.get("replace_invisible_chars", True):
+            invisible_chars_pattern = r'[\uFEFF\u200B\u200C\u200D\u00A0\u202F\u205F\u2060\u180E\u3000\u200E\u200F]'
+            content = re.sub(invisible_chars_pattern, ' ', content)
+
+        # Replace smart quotes, apostrophes, and guillemets with standard ASCII quotes if enabled.
+        if settings.get("replace_fancy_quotes", True):
+            content = (content.replace('“', '"')
+                              .replace('”', '"')
+                              .replace('‘', "'")
+                              .replace('’', "'")
+                              .replace('«', '"')
+                              .replace('»', '"'))
+
+        # Trim whitespace at the beginning and end of each line if enabled.
+        if settings.get("trim_line_whitespace", True):
+            content = re.sub(r'^[ \t]+|[ \t]+$', '', content, flags=re.MULTILINE)
+
+        # Replace multiple consecutive spaces with a single space if enabled.
+        if settings.get("replace_multiple_spaces", True):
+            content = re.sub(r'[ ]{2,}', ' ', content)
+
+        # Remove duplicate empty lines if enabled.
+        if settings.get("remove_duplicate_empty_lines", True):
+            content = re.sub(r'(?<=\S)\n{2,}(?=\S)', '\n\n', content).strip()
+
+        # Remove empty lines immediately after opening brackets and before closing brackets if enabled.
+        if settings.get("remove_empty_lines_around_brackets", True):
+            content = re.sub(r'([(\[{])\n\s*\n+', r'\1\n', content)
+            content = re.sub(r'\n\s*\n+([)\]}])', r'\n\1', content)
+
+        # Replace the document text with the cleaned content.
+        self.view.replace(edit, entire_region, content)

TextCleaner.sublime-settings

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+{
+    // Convert tabs to spaces.
+    "expand_tabs": true,
+
+    // Replace invisible characters with a space.
+    "replace_invisible_chars": true,
+
+    // Replace smart quotes, apostrophes, and guillemets with ASCII quotes.
+    "replace_fancy_quotes": true,
+
+    // Remove extra whitespace at the start and end of each line.
+    "trim_line_whitespace": true,
+
+    // Replace multiple spaces with a single space.
+    "replace_multiple_spaces": true,
+
+    // Remove duplicate empty lines.
+    "remove_duplicate_empty_lines": true,
+
+    // Remove empty lines after opening brackets and before closing brackets.
+    "remove_empty_lines_around_brackets": true
+}