diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 00000000..cebc35c5
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,10 @@
+node_modules
+**/node_modules
+**/lib
+jupytercad
+**/*.d.ts
+**/*.js
+packages/opencascade/build.yml
+yarn.lock
+*.jcad
+playwright.config.js
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 00000000..d0824a69
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,6 @@
+{
+  "singleQuote": true,
+  "trailingComma": "none",
+  "arrowParens": "avoid",
+  "endOfLine": "auto"
+}