diff --git a/webui/src/lib/components/repository/ObjectsDiff.jsx b/webui/src/lib/components/repository/ObjectsDiff.jsx
index 63dc60810f1..f17060185f9 100644
--- a/webui/src/lib/components/repository/ObjectsDiff.jsx
+++ b/webui/src/lib/components/repository/ObjectsDiff.jsx
@@ -9,7 +9,7 @@ import {InfoIcon} from "@primer/octicons-react";
 import {useStorageConfig} from "../../hooks/storageConfig";
 
 const maxDiffSizeBytes = 120 << 10;
-const supportedReadableFormats = ["txt", "text", "csv", "tsv", "yaml", "yml", "json"];
+const supportedReadableFormats = ["txt", "text", "csv", "tsv", "yaml", "yml", "json", "jsonl", "ndjson"];
 
 export const ObjectsDiff = ({diffType, repoId, leftRef, rightRef, path}) => {
     const config = useStorageConfig();
diff --git a/webui/src/pages/repositories/repository/fileRenderers/index.tsx b/webui/src/pages/repositories/repository/fileRenderers/index.tsx
index b6045faa8f6..e7f7b5deed1 100644
--- a/webui/src/pages/repositories/repository/fileRenderers/index.tsx
+++ b/webui/src/pages/repositories/repository/fileRenderers/index.tsx
@@ -141,6 +141,8 @@ export function guessType(contentType: string | null, fileExtension: string | nu
         case 'yaml':
         case 'yml':
         case 'json':
+        case 'jsonl':
+        case 'ndjson':
             return FileType.TEXT
     }
     if (guessLanguage(fileExtension, contentType))