Save bytes data into Download folder (Android), or show save dialog (iOS). You can save any file types (Ex. .txt, .png, .jpg, .pdf, etc)

Install plugin

add this line into pubspec.yaml

document_file_save: ^1.0.2



if your project set android target >= Android Q, you don't have to add any permission. Otherwise, Add the following statement in AndroidManifest.xml:

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />


No permission needed.

Function description

// call function 'saveFile' if you 1 file to save.
void saveFile(Uint8List data, String fileName, String mimeType)

// call function 'saveMultipleFiles' if you have mutiple files to save. iOS will show save dialog only once
void saveMultipleFiles(List<Uint8List> dataList, List<String> fileNameList, List<String> mimeTypeList)

Example usage

import 'package:document_file_save/document_file_save.dart';

//Save multiple files
List<int> textBytes = utf8.encode("Some data");
List<int> textBytes2 = utf8.encode("Another data");
DocumentFileSave.saveMultipleFiles([textBytes, textBytes2], ["text1.txt", "text2.txt"], ["text/plain", "text/plain"]);

//Save single text file
DocumentFileSave.saveFile(textBytes, "my_sample_file.txt", "text/plain");

//Save single pdf file
DocumentFileSave.saveFile(pdfBytes, "my_sample_file.pdf", "appliation/pdf");

//Save single image file
DocumentFileSave.saveFile(imageJPGBytes, "my_sample_file.jpg", "image/jpeg");