(Delphi ActiveX) Download Image (JPG, GIF, etc.) to Base64

See more HTTP Examples

Demonstrates how to download an image, or any type of file, to get the data in base64 encoding format.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
bd: TChilkatBinData;
success: Integer;
base64_image_data: WideString;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := TChilkatHttp.Create(Self);
bd := TChilkatBinData.Create(Self);

success := http.DownloadBd('https://www.chilkatsoft.com/images/starfish.jpg',bd.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

base64_image_data := bd.GetEncoded('base64');
Memo1.Lines.Add('image data in base64 format:');
Memo1.Lines.Add(base64_image_data);
end;