diff --git a/haiku_rag_slim/haiku/rag/converters/text_utils.py b/haiku_rag_slim/haiku/rag/converters/text_utils.py
index 64994e31..eb521b50 100644
--- a/haiku_rag_slim/haiku/rag/converters/text_utils.py
+++ b/haiku_rag_slim/haiku/rag/converters/text_utils.py
@@ -18,57 +18,129 @@ class TextFileHandler:
     # Plain text extensions that we'll read directly
     text_extensions: ClassVar[list[str]] = [
         ".astro",
+        ".bash",
         ".c",
+        ".clj",
+        ".cljs",
         ".cpp",
+        ".cs",
         ".css",
+        ".dart",
+        ".elm",
+        ".ex",
+        ".exs",
+        ".fs",
+        ".fsx",
         ".go",
+        ".gql",
+        ".graphql",
+        ".groovy",
         ".h",
+        ".hcl",
         ".hpp",
+        ".hs",
         ".java",
+        ".jl",
         ".js",
         ".json",
         ".kt",
+        ".less",
+        ".lua",
         ".mdx",
         ".mjs",
+        ".ml",
+        ".mli",
+        ".nim",
+        ".nix",
         ".php",
+        ".pl",
+        ".pm",
+        ".proto",
+        ".ps1",
         ".py",
+        ".r",
         ".rb",
         ".rs",
+        ".sass",
+        ".scala",
+        ".scss",
+        ".sh",
+        ".sql",
         ".svelte",
         ".swift",
+        ".tf",
+        ".toml",
         ".ts",
         ".tsx",
         ".txt",
         ".vue",
+        ".xml",
         ".yaml",
         ".yml",
+        ".zig",
     ]
 
     # Code file extensions with their markdown language identifiers
     code_markdown_identifier: ClassVar[dict[str, str]] = {
         ".astro": "astro",
+        ".bash": "bash",
         ".c": "c",
+        ".clj": "clojure",
+        ".cljs": "clojure",
         ".cpp": "cpp",
+        ".cs": "csharp",
         ".css": "css",
+        ".dart": "dart",
+        ".elm": "elm",
+        ".ex": "elixir",
+        ".exs": "elixir",
+        ".fs": "fsharp",
+        ".fsx": "fsharp",
         ".go": "go",
+        ".gql": "graphql",
+        ".graphql": "graphql",
+        ".groovy": "groovy",
         ".h": "c",
+        ".hcl": "hcl",
         ".hpp": "cpp",
+        ".hs": "haskell",
         ".java": "java",
+        ".jl": "julia",
         ".js": "javascript",
         ".json": "json",
         ".kt": "kotlin",
+        ".less": "less",
+        ".lua": "lua",
         ".mjs": "javascript",
+        ".ml": "ocaml",
+        ".mli": "ocaml",
+        ".nim": "nim",
+        ".nix": "nix",
         ".php": "php",
+        ".pl": "perl",
+        ".pm": "perl",
+        ".proto": "protobuf",
+        ".ps1": "powershell",
         ".py": "python",
+        ".r": "r",
         ".rb": "ruby",
         ".rs": "rust",
+        ".sass": "sass",
+        ".scala": "scala",
+        ".scss": "scss",
+        ".sh": "bash",
+        ".sql": "sql",
         ".svelte": "svelte",
         ".swift": "swift",
+        ".tf": "hcl",
+        ".toml": "toml",
         ".ts": "typescript",
         ".tsx": "tsx",
         ".vue": "vue",
+        ".xml": "xml",
         ".yaml": "yaml",
         ".yml": "yaml",
+        ".zig": "zig",
     }
 
     @staticmethod