How To =link= Download Base64 Image In React Native · Full

npm install react-native-fs @react-native-camera-roll/camera-roll Use code with caution. Step 1: Writing the Base64 to Local Storage

import { CameraRoll } from "@react-native-camera-roll/camera-roll"; import { Platform, PermissionsAndroid } from "react-native"; const downloadImage = async (base64String) => { // 1. Request permissions for Android if (Platform.OS === 'android' && !(await requestStoragePermission())) { return; } // 2. Write to temp file const localPath = await saveBase64ToFile(base64String); if (localPath) { try { // 3. Save to Camera Roll await CameraRoll.save(localPath, { type: 'photo' }); alert("Image saved successfully!"); } catch (err) { console.error("Save to gallery failed:", err); } finally { // 4. Optional: Delete the temp file to save space await RNFS.unlink(localPath); } } }; Use code with caution. Step 3: Handling Permissions Mobile operating systems are strict about storage access.

You will need two primary libraries to handle the file system and media permissions: how to download base64 image in react native

This guide covers the most reliable method using community-standard libraries. Core Dependencies

: To move that file into the device’s permanent gallery. Install them via your terminal: Write to temp file const localPath = await

If you'd like to explore for downloading images, tell me: Are you using Expo or React Native CLI ? Is the image coming from a URL or a local state ?

import RNFS from 'react-native-fs'; const saveBase64ToFile = async (base64Data) => { // Define a path (using a timestamp to ensure unique filenames) const filePath = `${RNFS.CachesDirectoryPath}/temp_image_${Date.now()}.png`; // Remove the data header if it exists (e.g., "data:image/png;base64,") const cleanBase64 = base64Data.replace(/^data:image\/\w+;base64,/, ''); try { await RNFS.writeFile(filePath, cleanBase64, 'base64'); return filePath; } catch (error) { console.error("File writing failed:", error); return null; } }; Use code with caution. Step 2: Saving to the Photo Gallery Step 3: Handling Permissions Mobile operating systems are

📂 Always provide a loading indicator. Writing a file and moving it to the gallery is an asynchronous process that can take 1–3 seconds depending on the file size.

Once the file exists in your app's cache, you can prompt the OS to move it to the official "Photos" or "Gallery" app. javascript

: To write the Base64 string into a temporary file.