diff --git a/README.md b/README.md
index 8c6716a..4b8625f 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,7 @@
 - [yamlfix](https://github.com/lyz-code/yamlfix)
 - [yamlfmt](https://github.com/google/yamlfmt)
 - [zigfmt](https://github.com/ziglang/zig)
+- [tombi](https://github.com/tombi-toml/tombi)
 
 ## Linters
 
diff --git a/lua/guard-collection/formatter.lua b/lua/guard-collection/formatter.lua
index 25094ed..285c773 100644
--- a/lua/guard-collection/formatter.lua
+++ b/lua/guard-collection/formatter.lua
@@ -345,4 +345,10 @@ M.goimports = {
   stdin = true,
 }
 
+M.tombi = {
+  cmd = 'tombi',
+  args = { 'format', '-' },
+  stdin = true,
+}
+
 return M