diff --git a/packages/format-json/README.md b/packages/format-json/README.md
index fe12e98c6..a32c2aabd 100644
--- a/packages/format-json/README.md
+++ b/packages/format-json/README.md
@@ -52,6 +52,13 @@ export type JsonFormatterOptions = {
    * @default "lingui"
    */
   style?: "lingui" | "minimal"
+
+  /**
+  * Indentation of output JSON
+  *
+  * @default 2
+  */
+  indentation?: number
 }
 ```
 
diff --git a/packages/format-json/src/json.ts b/packages/format-json/src/json.ts
index 305ab72ce..b9684c45b 100644
--- a/packages/format-json/src/json.ts
+++ b/packages/format-json/src/json.ts
@@ -28,6 +28,13 @@ export type JsonFormatterOptions = {
    * @default "lingui"
    */
   style?: "lingui" | "minimal"
+
+  /**
+   * Indentation of output JSON
+   *
+   * @default 2
+   */
+  indentation?: number
 }
 
 type NoOriginsCatalogType = {
@@ -87,7 +94,10 @@ export function formatter(
         outputCatalog = serializeMinimal(outputCatalog)
       }
 
-      return JSON.stringify(outputCatalog, null, 2) + trailingNewLine
+      return (
+        JSON.stringify(outputCatalog, null, options.indentation ?? 2) +
+        trailingNewLine
+      )
     },
 
     parse(content) {