Flutter base64 image. With this package, users can choose a single image, which is then automatically converted into base64 format. You have to remove data:image/jpeg;base64, (comma included) you have to remove that because that data:image/jpeg;base64, just indicates that the string is image data with jpeg format which is encoded as base64 string. We provided an introduction into Base64 encoding and its usage before providing a step-by-step guide on decoding Base64 encoded strings to images using Flutter. Read the image file as bytes using File. Dec 9, 2024 · Conclusion Converting images to Base64 encoding in Flutter/Dart is a straightforward process that involves using the `dart:convert` library. Apr 26, 2018 · 16 In my case, i first selected the image using image_picker then use these line of code to convert the image to base64. decode() to decode Base64 to bytes. Mar 16, 2022 · 2. The base64 String is then decoded to bytes to be displayed using Image. Jul 23, 2025 · In this article, we will discuss how to convert an image into Base64 String. The app then converts the downloaded image file to bytes, and then encodes the bytes to base64 - to simulate the base64 String fetched from a database. Code:. Apr 22, 2023 · In this article, we explored how to decode Base64 to image using Flutter. By applying the process outlined in this guide, you can confidently handle images in your app and ensure smooth data transmission to and from the server. Dart's Uri class is based on RFC-3986, so you can't use it. Dec 31, 2024 · In Flutter, you can convert a base64 string to an image using the following steps: 1. So, the actual base64 data starts after it and you have to decode that. Use base64Encode from dart:convert to convert bytes to a Base64 string. Uint8List base64Decode(String source) => base64. A sample video is given below to get an idea about what we are going to do in this article. Jul 1, 2025 · Displaying images in a Flutter app is simple — until you’re handed a base64 string from a backend API and things start to break. Split the string by comma and take the last part of it: Convert Base64 strings to images online. Mar 24, 2024 · The "base64_image_picker" Flutter package allows users to select images from both the device's camera and gallery. 1 Answers You're using URI that contains data after comma as it is defined by RFC-2397. (Use the Uint8List. Free tool to decode Base64 data back to PNG, JPG, GIF, and other image formats instantly and securely. Jul 3, 2021 · How to convert BASE64 string into Image with Flutter? You can convert a Uint8List to a Flutter Image widget using the Image. Decode Base64 to Image To convert a Base64 String into Image, we need to do 2 steps: use base64Decode () function which is shorthand for base64. fromList constructor to convert a List to Uint8List if necessary. memory constructor. ) Dec 13, 2025 · To convert an image file (from the gallery/camera) to a Base64 string: Use the image_picker package to let users select an image from their device. Conclusion Converting a Base64 encoded string to an image in Flutter is a simple process. Here’s how… I've sent a message in JSON format and I can show the data as Base64 but I don't know how to convert it to an image and show it. readAsBytes(). 2. memory Jan 17, 2023 · 2 Because you are not decoding base64 string. Sep 11, 2017 · You can convert a Uint8List to a Flutter Image widget using the Image. decode(source); write the bytes to Image file using dart:io writeAsBytes() or writeAsBytesSync(). Import Necessary Package: Ensure you have the dart:convert library for base64 encoding and decoding. Apr 3, 2023 · Then, we can utilize the Image. Isn’t it? We might have got ourselves into situations like this while getting entertained with parsing XML Jan 29, 2019 · Clicking the 'Download' button will save the first image displayed from network to the device's internal storage. Oct 28, 2022 · Converting Image to base64 and vice versa | Flutter guide This is an interesting topic. Dec 31, 2024 · To convert an image to a Base64 string in Flutter, you can use the dart:convert library along with the dart:typed_data library. memory constructor Oct 1, 2022 · Example 1 – Convert URL image into base64 in flutter In below example, We have made use of http package to make internet call and get image from the image url & then encode it into base64. Memory () constructor to make a picture gadget from the twofold information. iyk fjr elf kqh nkm dyg koz jmx hkf zno jdk har uqg vme dbh