Click here to Skip to main content

Submit your article

Base64

Base64

Great Reads

by John Jiyang Hou

A Base62 encoding algorithm with a special prefixed code for utilizing Base64 schema in Java

Smuglr - Utility for Building and Extracting Compressed, Base64-Encoded Recursive Directories

by Jeff Dabulis

In this tip, you will learn how to transfer that sample code from your home computer to your locked-down computer.

Base64 Encoder and Boost

by WebBiscuit

Base64 Encoder and Boost

Porting the Financial Times JavaScript String Compressor

by Morgan Estes

Compress and encode a string to save loading time in the browser

Latest Articles

Smuglr - Utility for Building and Extracting Compressed, Base64-Encoded Recursive Directories

by Jeff Dabulis

In this tip, you will learn how to transfer that sample code from your home computer to your locked-down computer.

Implementing CQRS Pattern with Vue.js & ASP.NET Core MVC

by Habibur Rony

This article mainly focuses on the CQRS pattern. How we can implement CQRS Pattern using the MediatR. How we can use CQRS pattern with ASP.NET MVC Core and Vue.Js.

Sortable Base64 Encoding

by Tomas Takac

Sortable and file-name friendly Base64 encoding

Parsing and Decoding Values of Some Email Message Fields

by NikStar

Regex-based solution for decoding values of email addresses fields ("From", "To") and value of "Subject" field

All Articles

Base64

How can convert video file in base64 format

23 Mar 2016 by Sascha Lefèvre

It doesn't matter if it's a video or audio or any other sort of file or byte-array. The input for base64 is a byte-array and it doesn't care for the semantic content.There are several articles here on CodeProject presenting base64-encoding and -decoding, take a look: Search - CodeProject[^]

base64_encode(php) vs Convert.ToBase64String(c#)

6 May 2015 by CPallini

The problem is in System.Text.Encoding.ASCII.GetBytes usage over a not ASCII value, namely 202 becomes 63.It is worth nothing you don't need all that stuff.string s = System.Convert.ToBase64String(new byte [] { 10, 202, 3 });is just enough.

Base64 image coming in [src] but not rendering in the angular 2 UI

4 Aug 2017 by Jameel VM

Use _sanitizer.bypassSecurityTrustUrl to tell angular src value is safe You can change your code like below. Import DomSanitizer import { DomSanitizer } from '@angular/platform-browser'; Inject this dependency in to the contructor constructor(private domSanitizer: DomSanitizer) { } ...

Can I set after every single space into a new and different variable (batch)

31 Dec 2021 by l o o l

Well, in theory, what you need to do would be: 1) get the decoded strings of a pre-existing string present in a given file 2) save this string/line obtained from the file in a variable 3) generate variable substring using space as delimiter,...

Convert Base64 to Base36 and Back

26 Jun 2012 by OriginalGriff

Base 64 is not restricted to the hex digits - it includes upper and lower case A-Z 0-9 and (normally) '+' and '/'Base 64 is a superset of base 36, which includes only upper case A-Z 0-9I think you are confused between Hexadecimal and base 64. Check your implementation.Using Base 36 to...

Compressing Base64 Strings

19 Mar 2013 by Zoltán Zörgő

If you want to send images over network and you don't want TCP because of it's overhead or other limitations, you can use of course UDP. But: UDP is not reliable, and as you noticed, you might encounter several problems if you want to send large files (that need to remain consistent)....

Decrypt email in vb.net

21 Apr 2015 by Sergey Alexandrovich Kryukov

What make you thinking that the e-mail is encrypted? Hardly. If this is base64, it has nothing to do with "encryption".This is how you can work with it: https://msdn.microsoft.com/en-us/library/system.convert.frombase64string%28v=vs.110%29.aspx[^],see other base64 methods:...

How to Encode and Decode the Passwords

26 Jul 2015 by OriginalGriff

Base64 is trivial - which is why you should not be using it!https://msdn.microsoft.com/en-us/library/system.convert.tobase64string(v=vs.110).aspx[^]https://msdn.microsoft.com/en-us/library/system.convert.frombase64string(v=vs.110).aspx[^]It is not an encryption method, it is a...

2 Feb 2016 by John Jiyang Hou

A Base62 encoding algorithm with a special prefixed code for utilizing Base64 schema in Java

Same image displaying for different rows

27 Apr 2016 by OriginalGriff

The problem is twofold: firstly as CHill60 has pointed out, you have a redundant inner loop:foreach (DataGridViewRow row in dgvProducts.Rows){ byte[] imageBytes = Convert.FromBase64String(row.Cells["Picture"].Value.ToString()); using (MemoryStream ms = new...

Convert file to base64 string using windows service

13 Jun 2016 by OriginalGriff

"I'am stuck at the part where the newly created file is converted to a base64String. Previously i created an application that took a hardcoded file and turned it into a base64String. im trying to to the same but with any file now."All you have to do is replace the hardcoded path with the...

Can I programatically convert QR code string to base 64 string or a byte array in JAVA ?

12 Oct 2017 by Richard MacCutchan

A QR code string is just a sequence of bytes, like anything else in memory. So what exactly is your problem?

image-conversion

Smuglr - Utility for Building and Extracting Compressed, Base64-Encoded Recursive Directories

21 Aug 2020 by Jeff Dabulis

In this tip, you will learn how to transfer that sample code from your home computer to your locked-down computer.

Why if I replace a character with another base64 cannot be decoded?

8 Oct 2020 by OriginalGriff

We can't see the data but it depends on three things First, the format of BMP files, which may not be what you expect: BMP file format - Wikipedia[^] - it can contain a whole load more than just the pixel data, and all of that is are the "front"...

Sending file base64 to another PC

3 Nov 2020 by Richard Deeming

Try prefixing your UNC path with two forward slashes: $targer_dir = "//192.168.232.199/xampp/htdoc/training/uploads/image/images/".$nama.".jpeg"; NB: You will need to validate the $nama variable to ensure that it doesn't contain any invalid...

Base64 Encoder and Boost

3 Apr 2012 by WebBiscuit

Base64 Encoder and Boost

Compressing Base64 Strings

19 Mar 2013 by Dave Kreskowiak

You can turn a bitmap into an array of bytes with this: ' You can use your own bitmap object. This one is just for illustration. Dim myBitmap As New Bitmap(1280, 1024, PixelFormat.Format32bppArgb) ' Create a Rectangle object the size of the entire bitmap. ...

Decode Base64 and Signed 16 Bits Conversion

10 Jul 2013 by Sergey Alexandrovich Kryukov

Here: http://msdn.microsoft.com/en-us/library/system.convert.aspx[^].Look for *Base64* methods of this class.—SA

XML Deserialization base64 string to bytes

12 Jul 2013 by azeeth

Hi I have a need to deserialize an XML file which contains an image in base64 string. When I deserialize the XML the image is straight away populated as bytes by the following class. Which pretty much eliminates the need to do anything fancy and I write the image from those bytes. However a few...

deserialization

Base64 and Video File

14 Jul 2013 by GauravThorat

Hi,I am using webservice, which is taking Base64 as input and Converting this base64string to byte array and then finally saving mp4(for e.g) to disk.Now am trying to play this mp4 file but it is not able to play, where as my original file is working.[ScriptMethod(ResponseFormat =...

Base64 and Video File

14 Jul 2013 by OriginalGriff

I tried your code, and it works ok - once I'd deleted the retResult variable you don't use (I run with "Treat Warnings as Errors" so it wouldn't compile with it in)I would suspect that you need to look at the base64 data you are passing to the method - it is probably not correct if your file...

Base64 and Video File

14 Jul 2013 by GauravThorat

Hi All,I have found the reason, why it was not working, After Searching, I have used the following code which is used to write the Base64String, which i used to pass my method, (Previously I have used Base64EncoderDecoder Software to get base64 string), So I just passed the Input which...

Get File Extention from Base64 String

16 Jul 2013 by GauravThorat

Hi All,I wanted to get File type (File Extension) from Base64String in ASP.NETI have web method in which I have passed 1) Base64 string and 2) File Name with File Extensionbut now I wanted to Pass 1) Base64 String and 2) Only File Name (Without Extension)So Can I get that Extension...

Get File Extention from Base64 String

16 Jul 2013 by OriginalGriff

Unless the extension is contained within the data converted to base64, then no, you probably can't.It may be possible to look at the data and decide if it is one of a small range of types, but that will depend on the types that you are checking for, and their individual data formats.There...

Porting the Financial Times JavaScript String Compressor

10 Oct 2013 by Morgan Estes

Compress and encode a string to save loading time in the browser

web_development

Control.ViewStateMode Property

11 Oct 2013 by ASP.NET Community

View state is where the status of the page is saved when it is submitted to the server. View state is saved as hidden controls, within the form. View

Passing base64 string using c# string variable. Error: Index was outside the bounds of the array

17 Jun 2014 by Uriel Tinashe Patsanza

Still A Newbie. I would like to replace the long Base64 string with a variable but keep getting error: Index was outside the bounds of the array.Scenario: I am retrieving the full base64 string from SQL database e.g...

Passing base64 string using c# string variable. Error: Index was outside the bounds of the array

17 Jun 2014 by OriginalGriff

Check your data in the DB: almost certainly you have saved it wrong.If I try your code:String ClientSigImg;String ClientSigImg1;ClientSigImg = @"data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7";ClientSigImg1 = ClientSigImg.Split(',')[1];string base64...

How do I use urllib2 in python for Basic HTTTP Authentication?

23 Jun 2014 by rickolous

Hey guys, I am trying to solve one of the problems in the authentication section of pentesterlabs but I just can't seem to get it right. In essence, I am trying to use the urllib2 library in python for basic HTTP authentication, however despite providing the correct username and password I keep...

Adding Image data(Base64) in JSON

5 Jan 2015 by Velkumar Kannan

How to add image data in json.???I have converted the image data in to Base64 string and i have to add this base64 string in JSon..

Adding Image data(Base64) in JSON

6 Jan 2015 by Arjsrya

Create a class with required properties like Image Id,Image etc.Store the values in those prooperties and convert it into JSON using Newtonsoft Library.You can serialize it into json object as follows.ImageProperties image = new ImageProperties();image.ImageId=101;image.ImageData =...

Decryption returning strange characters

13 Jan 2015 by Member 11368467

I have created an decryption script, and it complies without throwing any errors although it returns a junk string with strange symbols. An example of encrypted string: fff: T3UZSkX4vsJxnWEaIMWK3w==When decoded: ￯ﾾﾖ5p￯﾿ﾁ￯ﾾﾐ￯ﾾﾜ￯ﾾﾪ`￯ﾾﾱ,Ch￯﾿ﾎ￯﾿ﾸ￯﾿ﾤThe part of script I am using to decrypt...

Selecting , Convert an image from Photostream into base64, Windows Phone 8

5 Mar 2015 by Aditya_Goud

I have taken a button and selected an image using PhotoChooserTask ..then i displayed its file name on a button .. now i need to convert that image into base64 and display that base64 value in a textbox.. i dont know how to convert .. Any help will be appreciated void...

Windows-Phone-8

image-conversion

Selecting , Convert an image from Photostream into base64, Windows Phone 8

5 Mar 2015 by Aditya_Goud

Heyy .. Found it my self.. Posting the sol here for further developers to know.. Here is the complete solution for selecting image from gallery using Photochoosertask ,converting that to byte and then byte to base64 string public void photoChooserTask_Completed(object sender,...

Windows-Phone-8

image-conversion

Decryption returning strange characters

9 Mar 2015 by Mdzzzl5

Either you key, or the encodings of the data and/or string. Are you sure the default encodings for your Ruby installation match the charset of the database?http://ruby-doc.org/core-2.2.1/Encoding.html[^]

Image from base64 string which is type of Application/Octet-stream

29 Mar 2015 by Praneet Nadkar

Hi,I think your base 64 string is incorrect. How did you convert it to base 64 ? You can validate your Base 64 string like this:public bool IsBase64String(string s){ s = s.Trim(); return (s.Length % 4 == 0) && Regex.IsMatch(s, @"^[a-zA-Z0-9\+/]*={0,3}$",...

AUTH PLAIN base64 null character

15 Apr 2015 by TAREK BAZINGA

I am writing a c++ program that should send some mails using SMTP. I need to send the server the AUTH PLAIN request, so I need to code my "\0user@domain.com\0password" to base64, so that I can send the full request. When I pass the "\0user@domain.com\0password" to any program that decodes to...

AUTH PLAIN base64 null character

15 Apr 2015 by CPallini

You should use the std::string base64_encode(unsigned char const* bytes_to_encode, unsigned int in_len) function to encode your (binary) string.

AUTH PLAIN base64 null character

16 Apr 2015 by Orjan Westin

Where are you getting the in_len parameter? If you get it from strlen(bytes_to_encode) you will get zero length, since that counts up to the first null character.If you are sure the string is correctly formatted, you need to find the position of the third null, which indicates the end of the...

base64_encode(php) vs Convert.ToBase64String(c#)

6 May 2015 by Member 11266633

What i make wrong? $massiv = [10,202,3];$massiv = array_map("chr",$massiv);$rezult= implode('',$massiv);$temp = base64_encode($rezult);echo $temprezult --> CsoD List lst = new List(){10,202,3}; var rez = string.Join("",lst.Select(x =>...

add json image to gmap

23 Jul 2015 by Member 11858501

I'm using AngularJS and the gmap module to add markers using a REST API, struggling with the marker icons. i have a JSON data structure that contains the icon as base64{ "info": { "off_icon_type": null, "idle_icon": null, "description": null, ...

How to Encode and Decode the Passwords

26 Jul 2015 by SM Mustafa

Dear Friends...!Please tell me how to encode and decode the passwords containing "==" like 1234 : WxisdfO/d02+U9YQKrQXpQ==Abcd : hFQ/PN6UphWhW/X+g==Abc@123 : U+suc1lQEmwmjxR/LqXtEQ==Thanks

Help with capture images of websocket in base 64

25 Jan 2016 by JuanFelipe Loyola Andrade

Hello, I have a server connected to a GoPro camera, which sends the images in base64 format, and can be seen on localhost, now I need to capture screenshot, but I can not, any ideas? Go Pro cliente

I need to insert an image in reporting services

10 Mar 2016 by LC Garcia Rocha

I need to insert an image in Reporting Services, but that image has to be in line with text containing my report, I am working with a table that tends to grow to the right, the image has to be placed at the right end of my report, it is the bigger say to the right the image has to be placed at...

reporting-services

How to pass base64 string to XML file ?

29 Mar 2016 by Mr. Mahesh Patel

Use xml serialization and deserialization.by using it you can convert object of your class in xml. and in your object of class you can set value.

XML-documentation

Same image displaying for different rows

27 Apr 2016 by BEBE2011

Hi,What im trying to do is display an image on a datagridview that has been converted from a base64String.My problem is it is displaying the same image for each row even though the base64String for each image is different. My code below shows that i have declared the ImageColumn first, then...

How do I convert large byte array to base 64 in VB.NET

19 Sep 2016 by H.AL

I have asked this question before but I got no answer. I am trying to get blob data from oracle and read it, than converting my Byte Array to base 64 so I can display later my image in my web page. But the problem is that my blobs are so huge, each array byte length is more than 1 500 000, so...

image-conversion

How do I convert large byte array to base 64 in VB.NET

19 Sep 2016 by OriginalGriff

It works for me:Dim rawData As Byte() = File.ReadAllBytes("D:\Test Data\BigImage.jpg")Dim base64 As String = Convert.ToBase64String(rawData)Console.WriteLine("{0}:{1}", rawData.Length, base64.Length)Gives me:3489676:4652904Which is an input image data file twice the size of the ones...

image-conversion

Convert complied exe to base64 and run it from memry does not work

10 Apr 2017 by OriginalGriff

Your string is not a valid Base64 string: it's length is wrong at 37 bytes, and I don't believe in the least that a minimal Winforms app will come in at under 7.5K of binary, so I'd be looking for a Base64 string of around 10K. At a guess, you copy and pasted it badly - check your code that...

Base32 encoder/decoder module to use in visual basic 6 ?

27 May 2017 by Dave Kreskowiak

Why on earth are you using VB6 in this day and age? It's been dead and outdated for quite a long time now. You're probably going to have to write your own implementation. See this[^] for various implementations you might use as a starting point.

How to encode and decode image to base64 to save server in angular 2

23 Mar 2018 by Manidas Payyoli

Quote: want to encode the uploaded files to base64 so that I can pass them to the request. The problem is that I'm using Angular 2 with Typescript and I couldn't find any info on how to do that. I found that in Javascript it can be done with canvas but I don't know how could I implement the...

How to post and bind images that coming as BASE64 string from the server in angular 2

27 Jul 2017 by Manidas Payyoli

I want to send uploaded files to base64 so that I can pass to the request(I am using Remote API's). The problem is that I'm using Angular 2 with Typescript and I couldn't find any info on how to do that. I found that in Javascript it can be done with canvas . What I have tried: I have...

Can anyone help me to convert C# code to angularjs or java

25 Oct 2017 by Richard MacCutchan

See java.security (Java Platform SE 8 )[^]. Don't know angular.

Posting large text via classic-ASP form

27 Oct 2017 by Member 13489122

I gets an error due to can't get the value of textbox below: ADODB.Stream error '800a0bb9' Arguments are of the wrong type, are out of acceptable range, or are in conflict with one another. My HTML Codes

Posting large text via classic-ASP form

27 Oct 2017 by /randz

The maximum POST size depends on web server and web browser. I have a feeling that the the Base64 sample on your post is partial and probably large. Since this is post under ASP classic, check AspMaxRequestEntityAllowed setting of your web server. That should give you some ideas.

How to encode and decode image to base64 to save server in angular 2

23 Mar 2018 by Cool Webpro

getFiles(event) { this.files = event.target.files; var reader = new FileReader(); reader.onload = this._handleReaderLoaded.bind(this); ...

Display base64 pdf into webview on android

6 Jun 2018 by rikidev

Hi guys I have to view a pdf in base64 in a WebView to do so I used the code below but it does not work! How can I visualize it? I tried this solution but it does not seem to work, nothing is shown in the WebView! What can it be? What I have tried: @Override public...

Display base64 pdf into webview on android

6 Jun 2018 by Jochen Arndt

WebView does not support showing PDF files (besides using external services like the Google Docs viewer which requires an URL to the PDF file). You have to choose another method. Just search the web for something like "android show pdf".

Phps base 64_decode is not converting base 64 string into a workable image file

16 Jul 2019 by Member 13605567

Hello guys I successfully found a method that claims to make a file input file into a base 64 string in JavaScript so I successfully sent that base 64 string by JSON via AJAX and the base 64 encoded string looks like this sent in the JSON method...

Phps base 64_decode is not converting base 64 string into a workable image file

13 Jul 2019 by MadMyche

You are setting the wrong content-type in javascript; whenever their is a file attachment you should be using contentType: 'multipart/form-data'

Phps base 64_decode is not converting base 64 string into a workable image file

16 Jul 2019 by Richard Deeming

Assuming you're using PHP 5.2.0 or later, this suggestion from StackOverflow[^] applies - PHP supports reading the content of data: URIs directly: $photo = $upload_info_json_object->photo; $path= $_SERVER['DOCUMENT_ROOT'].'/send-json-data-by-ajax/object-based/with-file/2/images/image.jpg';...

Decompress, Decode and Display ECG Signal (Base64)

27 Oct 2019 by Luc Pattyn

Hoping that your data is real XML (including lots of characters which were not visible in your question) you should look at standard deserialization. This site holds good articles, and has a search facility; which would yield stuff like this: XML Serialization and Deserialization: Part...

Convert video blob url into base64 using PHP

10 Sep 2020 by Gerry Schmitz

Doesn't look like you even attempted a (PHP) base64_encode. PHP: base64_encode - Manual[^]

Convert video blob url into base64 using PHP

10 Sep 2020 by Richard Deeming

URL.createObjectURL() - Web APIs | MDN[^]: The URL lifetime is tied to the document in the window on which it was created. You cannot access a blob: URL from the server. You can only access it via Javascript.

Convert base64 png image to base64 jpg image without saving

13 Sep 2020 by oronsultan

Hi, I'm looking for a way in c# to convert base64 png to base64 jpg. I'm extracting the data from the data-base and my api needs to return the base64 in jpg format without saving the file during the conversion. Thanks. What I have tried: I've...

Convert base64 png image to base64 jpg image without saving

13 Sep 2020 by Patrice T

Quote: Convert base64 png image to base64 jpg image without saving Procedure: - Get base64 stream - Convert back to normal png format - Convert to jpg - Convert to base64 Quote: I've trued to return the thumbnail of the original image but the...

Convert base64 png image to base64 jpg image without saving

13 Sep 2020 by User 11060979

This should help you private byte[] Base64Png2Jpeg(string base64) { byte[] jpgArray; Byte[] pngBytes = Convert.FromBase64String(base64); using (MemoryStream msPng = new MemoryStream(pngBytes)) { using (Image img =...

Convert base64 png image to base64 jpg image without saving

13 Sep 2020 by OriginalGriff

Read the Base64 data into an Image class instance viaq a stream Save the Image as a JPG into a Stream, and convert that to Base64. private string FromBase64PNGToBase64JPG(string base64PNG) { byte[] bytes =...

Encode and decode base64 and send it into pc

2 Nov 2020 by OriginalGriff

Firstly, your naming conventions leave a lot to be desired: "imagetoString" accepts an image, but it doesn't return a string, and it actually tries to write it to a file rather then do anything with a string. Make your method names reflect what...

Sending file base64 to another PC

3 Nov 2020 by Komang Putra

excuse me guys, i wanna ask.. example :

Read binary file and encode base64 for json member in node.js

31 Mar 2021 by Chopin2001

Read binary file, encode it as base64 data and put this in json. Display base64 in console.log (data.src) of readBinary function. However, there is no src member in the resData JSON after calling the function. How can I solve this? What I have...

How to send base64 image byte data server side using ajax?

6 May 2021 by Varun Sareen

Hello, I am trying to send the image converted into byte data (base64) to ajax method so that the value of the same will be available at server side for me to save the image value in DB. But I am unable to achieve the same. Please help. What...

How to display the base64 formatted string into image in WPF.

9 Jun 2021 by shiva_yn

I have base64 formatted string. I want to display that base64 string into image in WPF. I tried the below code. but after run this code no errors. but image not shown. please give me a solution for this problem. What I have tried: xaml ...

How to display the base64 formatted string into image in WPF.

9 Jun 2021 by Richard Deeming

Check the output window in Visual Studio for runtime data binding errors. There are two problems with the code you've shown: 1) You've declared the ImgSource variable as either a local variable, or a field. WPF binding only works with...

Getting undefined error when trying to select an image using javascript

11 Jul 2021 by Faran Saleem

I am trying to select an image using an input tag from JavaScript, however I am getting undefined error. Please see my code below, I am getting error at input.files[0] How can I select an image? function loadImage(input) { var file =...

Xamarin image forms base64 not showing

10 Aug 2021 by pcprogrammer9

I'm pretty new to Xamarin , i want to change image source after clicking a button , using FromStream method and base64 string , but after run application no image showing , here is my code : note : i test my Base64 String on online convertor and...

How to convert SVG to base64 in C++?

9 Nov 2021 by Richard MacCutchan

The image is just an array of bytes, so follow one of the encoding suggestions at base64 in C++ - Google Search[^]

Base64 image coming in [src] but not rendering in the angular 2 UI

23 Jun 2023 by Manidas Payyoli

i am binding a base64 image to the UI.which is in a loop.but image is not binding,while inspect element i can c the image but not rendering Db is not returning data:image/jpg;base64, so i added in html while inspect elenment im getting "data:image/jpeg;base64,/9j/4A but it is not...

Base64 image coming in [src] but not rendering in the angular 2 UI

23 Jun 2023 by Member 16036583

//Yes, /9j/4A decodes to the JPEG header ÿØÿà, but the rest of the binary data in the Base64 string is likely different. When a browser decodes the Base64 image data URL, it is expecting a proper JPEG image format with a valid header and no...

Implementing CQRS Pattern with Vue.js & ASP.NET Core MVC

15 Mar 2020 by Habibur Rony

This article mainly focuses on the CQRS pattern. How we can implement CQRS Pattern using the MediatR. How we can use CQRS pattern with ASP.NET MVC Core and Vue.Js.

Compressing Base64 Strings

19 Mar 2013 by Dave Kreskowiak

Why are you converting an image to Base64 in the first place?? Surely it can't be to think you'll get less data to send?? You're actually making MORE data to send, not less by doing this conversion. A screenshot at 1280x1024 results in just over 5.12MB of data. The Base64 string of this data...

Sortable Base64 Encoding

3 Nov 2019 by Tomas Takac

Sortable and file-name friendly Base64 encoding

Convert Base64 to Base36 and Back

26 Jun 2012 by Stephen Hewison

Hi,Does anyone have code for converting from base 64 to base 36 and back?base 64 character set is 0123456789ABCDEFbase 36 character set is 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZThis is needed as I can't represent the data I'm trying to display in the room I have to display it, it has...

How can convert video file in base64 format

23 Mar 2016 by Sergey Alexandrovich Kryukov

This is not really a "conversion" — please see Solution 1. It's here:Convert.ToBase64String Method (Byte[]) (System)[^],Convert.FromBase64String Method (String) (System)[^].However, the whole idea looks quite questionable.—SA

Compressing Base64 Strings

18 Mar 2013 by Prasad Khandekar

Hello,How about using System.IO.Compression.GZipStream class. The example of using this class can be found here[^] in MSDN library. There is one more example available here[^].Regards,

Parsing and Decoding Values of Some Email Message Fields

2 Aug 2017 by NikStar

Regex-based solution for decoding values of email addresses fields ("From", "To") and value of "Subject" field

Image from base64 string which is type of Application/Octet-stream

7 Jun 2021 by orgilhp

I have a base64 string which is provided below. I guess its type is Application/Octet-stream.I am using code below to convert it to an image. But it gives me error "Paramter is not valid!".string base64string = "AAAAAQEAAAEcEgABHxIA ... xYAAF4WQABcFwAAQ==";using (MemoryStream ms = new...

Can I set after every single space into a new and different variable (batch)

31 Dec 2021 by Member 14933392

I have been trying to make my own base in batch, and I use base64 at the same time. I already have a system setup that will transfer it from base64 to decimal, and I have it like this: ...

How can convert video file in base64 format

23 Mar 2016 by Member 12301708

i wanted to convert a video file into base64 to get it in xml formatWhat I have tried:var bytes[] = File.ReadAllBytes("filepath");

Decrypt email in vb.net

21 Apr 2015 by oronsultan

hey guys,about a year ago i developed a program to my comapny that extract customers call from our website, decrypt it and pushed it to our internel software and from ther to the support department.here the problem: during the last week, my basic assumption is that our server did some...

Compressing Base64 Strings

18 Mar 2013 by Rixterz123

Hey againI have made a program that turns an image into a base64 string and sends via UDP.the problem is that i get an error when the base64 is too largeHow do you compress this on the host side and then decompress back into a base64 string on the client side?Help is appreciated.

Decompress, Decode and Display ECG Signal (Base64)

27 Oct 2019 by CDCC8

Hi everyone,I'm trying to represent a ECG signal contained in a Xml File. I'm wondering what's the best way to do that?Seems that the signal of all channels are encoding in base64, so i've got to decode it into readable values, to represent the graph.Here's a piece of the Xml...

Decode Base64 and Signed 16 Bits Conversion

10 Jul 2013 by CDCC8

Hi everyone,I have a file with a Base64 string that i have to decode into numbers, and i don't know how to do this in C#.I know how to convert to binary,using Convert.FromBase64String. However i've got to obtain numbers like coordenates X/Y to plot this into a graph, because this is a...

How to pass base64 string to XML file ?

29 Mar 2016 by Member 12301708

i tried to pass the value to xml file but it gives me error "Invalid URI: The Uri string is too long"What I have tried:byte[] videobytes = File.ReadAllBytes("C:test.wmv"); string result = System.Convert.ToBase64String(videobytes); // Create...

XML-documentation

Convert file to base64 string using windows service

13 Jun 2016 by BEBE2011

Hi im trying to convert a file to a base64String and then store that string in a text file. What i am trying to create is a Windows Service - As soon as a file is created in a certain folder.The Service creates a Log file to say that a file has been added to the folder put then it should...

Convert complied exe to base64 and run it from memry does not work

10 Apr 2017 by evilcode1

i still get this error when i try to debug the project i dont know why ... Quote: 'WindowsApplication13.vshost.exe' (CLR v4.0.30319: WindowsApplication13.vshost.exe): Loaded 'c:\users\evilcode1\documents\visual studio...

Base32 encoder/decoder module to use in visual basic 6 ?

28 Jul 2017 by UMDC

I made my own Base32/64 Ecoder/Decoder...

Can I programatically convert QR code string to base 64 string or a byte array in JAVA ?

12 Oct 2017 by GaneshRfromSpace

I want to generate a QR Code image using JAVA. Its a legacy project so the target version of java is 1.3. Can I programatically convert a QR Code string to base 64 string or a byte array and then convert into image through java itself ? What I have tried: I have been converting base 64 strings...

image-conversion

Can anyone help me to convert C# code to angularjs or java

25 Oct 2017 by User_K2

Am trying the following in c# and its working, /*creating base64 encoded signature in C#*/ var secret = "#asecret#"; var message = "Thu, 26 Oct 2017 06:41:08 GMT/myaccount/mymessage"; using (var hmac = new HMACSHA256()) { hmac.Key = Convert.FromBase64String(secret); byte[] sigbyte...