diff --git a/package.json b/package.json
index 06e4b30fe..9ef9256b3 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
         "babel-plugin-transform-import-meta": "^2.2.1",
         "babel-preset-react-app": "^10.0.1",
         "bfj": "^8.0.0",
+        "blocklypy": "^0.0.1",
         "browser-fs-access": "^0.35.0",
         "browserslist": "^4.22.2",
         "camelcase": "^8.0.0",
diff --git a/src/explorer/sagas.ts b/src/explorer/sagas.ts
index 2e429b014..2eecb8daa 100644
--- a/src/explorer/sagas.ts
+++ b/src/explorer/sagas.ts
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: MIT
 // Copyright (c) 2022-2024 The Pybricks Authors
 
+import { convertFlipperProjectToPython } from 'blocklypy';
 import { fileOpen, fileSave } from 'browser-fs-access';
 import JSZip from 'jszip';
 import {
@@ -333,19 +334,42 @@ function* handleExplorerImportFiles(): Generator {
                     // TODO: translate description
                     description: 'ZIP Files',
                 },
+                {
+                    // mimeTypes: [zipFileMimeType],
+                    extensions: ['.llsp3'],
+                    // TODO: translate description
+                    description: 'LLSP3 Files',
+                },
             ]),
         );
 
         const context: ImportContext = {};
 
         for (const file of selectedFiles) {
+            // console.log(`file type "${file.type}"`);
             switch (file.type) {
                 case '': // empty string means "could not be determined"
                 case pythonFileMimeType:
                     {
-                        // getting the text now to catch possible error *before* user interaction
-                        const text = yield* call(() => file.text());
-                        yield* importPythonFile(file.name, text, context);
+                        const extension = file.name.includes('.')
+                            ? '.' + file.name.split('.').pop()
+                            : '';
+                        // console.log('>>>>', extension);
+                        let text;
+                        let filename = file.name;
+                        if (extension === '.llsp3') {
+                            const arraybuffer = yield* call(() => file.arrayBuffer());
+                            const result = yield* call(() =>
+                                convertFlipperProjectToPython(arraybuffer, {}),
+                            );
+                            // console.log(result);
+                            text = result.pycode ?? '';
+                            filename = filename.replace('.', '_') + '.py';
+                        } else {
+                            // getting the text now to catch possible error *before* user interaction
+                            text = yield* call(() => file.text());
+                        }
+                        yield* importPythonFile(filename, text, context);
                     }
                     break;
                 case zipFileMimeType:
diff --git a/yarn.lock b/yarn.lock
index 993be8302..e094a373b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3012,6 +3012,7 @@ __metadata:
     babel-plugin-transform-import-meta: ^2.2.1
     babel-preset-react-app: ^10.0.1
     bfj: ^8.0.0
+    blocklypy: ^0.0.1
     browser-fs-access: ^0.35.0
     browserslist: ^4.22.2
     camelcase: ^8.0.0
@@ -6910,6 +6911,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"blocklypy@npm:^0.0.1":
+  version: 0.0.1
+  resolution: "blocklypy@npm:0.0.1"
+  dependencies:
+    jszip: ^3.10.1
+  checksum: a168589741729c55c1c4785d3c07fb374708a601355aea97f1bc4e1670dcf6e051b23f385c6c57f8211b476d4051bb32630b41f0f5710ce23b4f625a22c89e29
+  languageName: node
+  linkType: hard
+
 "bluebird@npm:^3.7.2":
   version: 3.7.2
   resolution: "bluebird@npm:3.7.2"