diff --git a/src/tools/collections.rs b/src/tools/collections.rs
index 07aeb28..677d260 100644
--- a/src/tools/collections.rs
+++ b/src/tools/collections.rs
@@ -73,6 +73,33 @@ impl Tool for String {
     }
 }
 
+pub struct Replace;
+
+impl Tool for Replace {
+    fn info(&self) -> ToolInfo<'static> {
+        ToolInfo {
+            identifier: "replace",
+            description: "Replace all occurences of a substring in a string.",
+            group: "collections",
+            inputs: vec![ValueType::ListExact(vec![
+                ValueType::String,
+                ValueType::String,
+                ValueType::String,
+            ])],
+        }
+    }
+
+    fn run(&self, argument: &Value) -> Result<Value> {
+        let argument = self.check_type(argument)?.as_list()?;
+        let target = argument[0].as_string()?;
+        let to_remove = argument[1].as_string()?;
+        let replacement = argument[2].as_string()?;
+        let result = target.replace(to_remove, replacement);
+
+        Ok(Value::String(result))
+    }
+}
+
 pub struct Count;
 
 impl Tool for Count {
diff --git a/src/tools/mod.rs b/src/tools/mod.rs
index 43e8d06..8f79013 100644
--- a/src/tools/mod.rs
+++ b/src/tools/mod.rs
@@ -50,13 +50,14 @@ pub mod time;
 /// Master list of all tools.
 ///
 /// This list is used to match identifiers with tools and to provide info to the shell.
-pub const TOOL_LIST: [&'static dyn Tool; 49] = [
+pub const TOOL_LIST: [&'static dyn Tool; 50] = [
     &collections::Count,
     &collections::CreateTable,
     &collections::Insert,
     &collections::Rows,
     &collections::Select,
     &collections::String,
+    &collections::Replace,
     &collections::Transform,
     &collections::Where,
     &command::Bash,