Dekoder dan Penampil Gambar Base64

data:[<media type>][;base64],<data>

data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==

// Mengonversi gambar menjadi base64 dalam JavaScript (browser)
function imageToBase64(imgElement) {
  const canvas = document.createElement('canvas');
  canvas.width = imgElement.width;
  canvas.height = imgElement.height;
  
  const ctx = canvas.getContext('2d');
  ctx.drawImage(imgElement, 0, 0);
  
  // Mendapatkan sebagai URL data (string base64)
  return canvas.toDataURL('image/png');
}

// Menampilkan gambar base64
function displayBase64Image(base64String) {
  const img = new Image();
  
  // Menangani string tanpa awalan URL data
  if (!base64String.startsWith('data:')) {
    base64String = `data:image/png;base64,${base64String}`;
  }
  
  img.src = base64String;
  document.body.appendChild(img);
}

import base64
from PIL import Image
from io import BytesIO

# Mengonversi file gambar menjadi base64
def image_to_base64(image_path):
    with open(image_path, "rb") as image_file:
        encoded_string = base64.b64encode(image_file.read())
        return encoded_string.decode('utf-8')

# Mengonversi base64 menjadi gambar dan menyimpan
def base64_to_image(base64_string, output_path):
    # Menghapus awalan URL data jika ada
    if ',' in base64_string:
        base64_string = base64_string.split(',')[1]
    
    image_data = base64.b64decode(base64_string)
    image = Image.open(BytesIO(image_data))
    image.save(output_path)

# Contoh penggunaan
base64_str = image_to_base64("input.jpg")
print(f"data:image/jpeg;base64,{base64_str[:30]}...") # Cetak awal string

base64_to_image(base64_str, "output.jpg")

<?php
// Mengonversi file gambar menjadi base64 dalam PHP
function imageToBase64($path) {
    $type = pathinfo($path, PATHINFO_EXTENSION);
    $data = file_get_contents($path);
    return 'data:image/' . $type . ';base64,' . base64_encode($data);
}

// Mengonversi base64 menjadi gambar dan menyimpan
function base64ToImage($base64String, $outputPath) {
    // Mengekstrak data biner yang dikodekan dalam base64
    $imageData = explode(',', $base64String);
    $imageData = isset($imageData[1]) ? $imageData[1] : $imageData[0];
    
    // Dekode dan simpan
    $data = base64_decode($imageData);
    file_put_contents($outputPath, $data);
}

// Contoh penggunaan
$base64Image = imageToBase64('input.jpg');
echo substr($base64Image, 0, 50) . "...\n"; // Cetak awal string

base64ToImage($base64Image, 'output.jpg');
?>

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.util.Base64;

public class Base64ImageUtil {
    
    // Mengonversi file gambar menjadi base64
    public static String imageToBase64(String imagePath) throws IOException {
        File file = new File(imagePath);
        byte[] fileContent = Files.readAllBytes(file.toPath());
        String extension = imagePath.substring(imagePath.lastIndexOf(".") + 1);
        String base64String = Base64.getEncoder().encodeToString(fileContent);
        
        return "data:image/" + extension + ";base64," + base64String;
    }
    
    // Mengonversi base64 menjadi gambar dan menyimpan
    public static void base64ToImage(String base64String, String outputPath) throws IOException {
        // Menghapus awalan URL data jika ada
        if (base64String.contains(",")) {
            base64String = base64String.split(",")[1];
        }
        
        byte[] decodedBytes = Base64.getDecoder().decode(base64String);
        
        try (FileOutputStream fos = new FileOutputStream(outputPath)) {
            fos.write(decodedBytes);
        }
    }
    
    public static void main(String[] args) throws IOException {
        String base64Image = imageToBase64("input.jpg");
        System.out.println(base64Image.substring(0, 50) + "..."); // Cetak awal string
        
        base64ToImage(base64Image, "output.jpg");
    }
}

using System;
using System.IO;
using System.Text.RegularExpressions;

class Base64ImageConverter
{
    // Mengonversi file gambar menjadi base64
    public static string ImageToBase64(string imagePath)
    {
        byte[] imageBytes = File.ReadAllBytes(imagePath);
        string base64String = Convert.ToBase64String(imageBytes);
        
        string extension = Path.GetExtension(imagePath).TrimStart('.').ToLower();
        return $"data:image/{extension};base64,{base64String}";
    }
    
    // Mengonversi base64 menjadi gambar dan menyimpan
    public static void Base64ToImage(string base64String, string outputPath)
    {
        // Menghapus awalan URL data jika ada
        if (base64String.Contains(","))
        {
            base64String = base64String.Split(',')[1];
        }
        
        byte[] imageBytes = Convert.FromBase64String(base64String);
        File.WriteAllBytes(outputPath, imageBytes);
    }
    
    static void Main()
    {
        string base64Image = ImageToBase64("input.jpg");
        Console.WriteLine(base64Image.Substring(0, 50) + "..."); // Cetak awal string
        
        Base64ToImage(base64Image, "output.jpg");
    }
}

require 'base64'

# Mengonversi file gambar menjadi base64
def image_to_base64(image_path)
  extension = File.extname(image_path).delete('.')
  base64_data = Base64.strict_encode64(File.read(image_path))
  "data:image/#{extension};base64,#{base64_data}"
end

# Mengonversi base64 menjadi gambar dan menyimpan
def base64_to_image(base64_string, output_path)
  # Menghapus awalan URL data jika ada
  if base64_string.include?(',')
    base64_string = base64_string.split(',')[1]
  end
  
  File.open(output_path, 'wb') do |file|
    file.write(Base64.decode64(base64_string))
  end
end

# Contoh penggunaan
base64_image = image_to_base64('input.jpg')
puts base64_image[0, 50] + '...' # Cetak awal string

base64_to_image(base64_image, 'output.jpg')

' Fungsi VBA Excel untuk mengkodekan file menjadi base64
Function FileToBase64(filePath As String) As String
    Dim fileNum As Integer
    Dim fileData() As Byte
    Dim objXML As Object
    Dim objNode As Object
    
    fileNum = FreeFile
    Open filePath For Binary Access Read As fileNum
    ReDim fileData(LOF(fileNum) - 1)
    Get fileNum, , fileData
    Close fileNum
    
    Set objXML = CreateObject("MSXML2.DOMDocument")
    Set objNode = objXML.createElement("b64")
    
    objNode.DataType = "bin.base64"
    objNode.nodeTypedValue = fileData
    
    FileToBase64 = objNode.Text
    
    Set objNode = Nothing
    Set objXML = Nothing
End Function

' Penggunaan di Excel:
' =FileToBase64("C:\path\to\image.jpg")

<!-- Menyematkan gambar base64 langsung dalam HTML -->
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==" alt="Gambar yang dikodekan dalam Base64">

<!-- Menggunakan CSS dengan gambar latar base64 -->
<style>
.base64-bg {
  background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==');
  width: 100px;
  height: 100px;
}
</style>
<div class="base64-bg"></div>