diff --git a/profiler/src/llm/tools.json b/profiler/src/llm/tools.json
index 6e5f6ab4..be1fb4d7 100644
--- a/profiler/src/llm/tools.json
+++ b/profiler/src/llm/tools.json
@@ -149,6 +149,10 @@
         "query": {
           "type": "string",
           "description": "Keyword to search for."
+        },
+        "case_insensitive": {
+          "type": "boolean",
+          "description": "Case insensitive search."
         }
       },
       "required": ["query"]
diff --git a/profiler/src/profiler/TracyLlmTools.cpp b/profiler/src/profiler/TracyLlmTools.cpp
index 983390b9..4c318250 100644
--- a/profiler/src/profiler/TracyLlmTools.cpp
+++ b/profiler/src/profiler/TracyLlmTools.cpp
@@ -171,7 +171,7 @@ TracyLlmTools::ToolReply TracyLlmTools::HandleToolCalls( const std::string& tool
         }
         else if( tool == "source_search" )
         {
-            return { .reply = SourceSearch( Param( "query" ) ) };
+            return { .reply = SourceSearch( Param( "query" ), ParamOptBool( "case_insensitive", false ) ) };
         }
         return { .reply = "Unknown tool call: " + tool };
     }
@@ -820,7 +820,7 @@ std::string TracyLlmTools::SourceFile( const std::string& file, uint32_t line, u
     return json.dump( 2, ' ', false, nlohmann::json::error_handler_t::replace );
 }
 
-std::string TracyLlmTools::SourceSearch( const std::string& query ) const
+std::string TracyLlmTools::SourceSearch( std::string query, bool caseInsensitive ) const
 {
     auto& cache = m_worker.GetSourceFileCache();
     nlohmann::json json = {};
@@ -830,10 +830,25 @@ std::string TracyLlmTools::SourceSearch( const std::string& query ) const
     {
         if( IsFrameExternal( item.first, nullptr ) ) continue;
 
+        char* tmp = nullptr;
         auto& mem = item.second;
         auto start = mem.data;
         auto end = start + mem.len;
-        if( std::search( start, end, query.begin(), query.end() ) == end ) continue;
+
+        if( caseInsensitive )
+        {
+            tmp = new char[mem.len];
+            std::transform( start, end, tmp, []( char c ) { return std::tolower( c ); } );
+            start = tmp;
+            end = tmp + mem.len;
+            std::transform( query.begin(), query.end(), query.begin(), []( char c ) { return std::tolower( c ); } );
+        }
+
+        if( std::search( start, end, query.begin(), query.end() ) == end )
+        {
+            delete[] tmp;
+            continue;
+        }
 
         std::vector<size_t> res;
         auto lines = SplitLines( start, mem.len );
@@ -845,21 +860,37 @@ std::string TracyLlmTools::SourceSearch( const std::string& query ) const
                 total++;
             }
         }
-        if( res.empty() ) continue;
+        assert( !res.empty() );
 
         auto r = nlohmann::json::array();
-        for( auto& line : res )
+        if( caseInsensitive )
         {
-            r.push_back( {
-                { "line", line + 1 },
-                { "text", lines[line] }
-            } );
+            auto linesOrig = SplitLines( mem.data, mem.len );
+            for( auto& line : res )
+            {
+                r.push_back( {
+                    { "line", line + 1 },
+                    { "text", linesOrig[line] }
+                } );
+            }
+        }
+        else
+        {
+            for( auto& line : res )
+            {
+                r.push_back( {
+                    { "line", line + 1 },
+                    { "text", lines[line] }
+                } );
+            }
         }
 
         json.push_back( {
             { "file", item.first },
             { "matches", std::move( r ) }
         } );
+
+        delete[] tmp;
     }
 
     if( total == 0 ) return "No matches found.";
diff --git a/profiler/src/profiler/TracyLlmTools.hpp b/profiler/src/profiler/TracyLlmTools.hpp
index 4ccf1910..d96e31d7 100644
--- a/profiler/src/profiler/TracyLlmTools.hpp
+++ b/profiler/src/profiler/TracyLlmTools.hpp
@@ -62,7 +62,7 @@ private:
     std::string GetWebpage( const std::string& url );
     std::string SearchManual( const std::string& query, TracyLlmApi& api, bool hasEmbeddingsModel );
     std::string SourceFile( const std::string& file, uint32_t line, uint32_t context ) const;
-    std::string SourceSearch( const std::string& query ) const;
+    std::string SourceSearch( std::string query, bool caseInsensitive ) const;
 
     void ManualEmbeddingsWorker( TracyLlmApi& api );