How to base64 encode an image using python

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I have a stream of data that comes from a device and I need to convert it into a jpeg and then base64 encode it to transfer it over the network.

My Python 2.7 code so far looks like this:

from PIL import Image
import io

image = # Image buffer contains the image data from the device."test.jpg") # Writes the image to the disk in jpeg format # Opens the image using the OS image view

I can see I have the image I want and can save it to the disk in jpeg format.

What I don't understand is if I can base64 encode the image from the image object or if I need to write it to the disk first. I would like to avoid writing it if possible.

The 2nd question I have is what is PIL doing in this process? Is it taking the data and putting the required special codes into the file to make it a jpeg file? I think the answer tot his is yes as I can change the file extension to .bmp and the correct file is written on the disk.

So in summary, is it possible to get a base64 encoded version of my jpeg file from the image object without writing it to disk first?

Try this code

Image base64 encoded format

Python code:

import os
import base64

image = 'test.jpg'

encoded_string = ""
with open(image, "rb") as image_file:
    encoded_string = base64.b64encode(
    file = encoded_string

Encoding an image file with base64, The answer is Base64 encoding. In this article, I will show you how we can use Python to encode and decode a binary image. The program is  @Ivo, Anteater wants to be able to store images in python files. I am pointing out that using base64 is counterproductive because the data needs to be decoded every time the module is loaded. Using repr instead means the literal string is stored ready for immediate use in the .pyc file with no furthur processing – John La Rooy Sep 15 '10 at 8:04

  1. Save the img in a buffer - doesn't touch disk
  2. regex for jpeg headers and footers - fault tolerance ( Header: FF D8 FF, Footer: FF D9)
  3. base64 the data
  4. flush to file

Base64 Encoding and Decoding Using Python, Converting in Python is pretty straightforward, and the key part is using the "​base64" module which provides standard data encoding an decoding. Convert Image  Python 3 codes to encode an image in Base64 After you had decided to encode your image in Base64, you can proceed with coding a utility function with Python 3: As shown above, it takes just 4 lines of Python 3 codes to encode an image in Base64. First, we import the base64 module into our Python script.

This code does the job:

from PIL import Image
import io
import base64
import cStringIO

image =
encodingbuffer = cStringIO.StringIO(), format="JPEG")
encodedimage = base64.b64encode(encodingbuffer.getvalue())

Python: Convert Image to String, Convert String to Image, When you encode your images in Base64, your images can be transferred and saved as text. Although there will be a 37% bloat in space  Convert an image to base64 string in Python. Here we will learn it step by step with an example. At first, let’s talk about the steps we gonna follow in this tutorial. Open an image file. read the image data. encode it in base64 using the base64 module in Python. Print the string.

How to use Python 3 to convert your images to Base64 encoding , Example of how to convert a base64 image in png format using python (the input file base64.txt used in the following example can be found  As we mentioned previously, Base64 encoding is primarily used to represent binary data as text. In Python, we need to read the binary file, and Base64 encode its bytes so we can generate its encoded string. Let's see how we can encode this image: Create a new file and add the following: import base64 with open ('logo.png

How to convert a base64 image in png format using python ?, My data has a bunch of text and a few images as well to go with it. I wrote the code below (in python) to automate embedding of image data directly in with the​  PHP Base64 Encoding Example Rajeev Singh 1 mins. Learn how to Base64 Encode binary data in PHP. Base64 Encoding is used encode binary data in order to prevent it from being modified during transit. PHP's base64_encode() function can be used to encode any sequence of bytes to Base64 encoded string.

Base64 encoding image files using Python, Files with binary data, bytes that represent non-text information like images, can be easily corrupted when being transferred and processed to text-only systems. I'm working on an app that to do some facial recognition from a webcam stream. I get base64 encoded data uri's of the canvas and want to use it to do something like this: cv2.imshow('image',img)

  • How exactly are you receiving this data from network, socket, urllib etc?
  • Comes from a UDP socket.
  • Could really do with some code when you get the time. Thanks.
  • OK, self.imagebuffer contains the image data right?
  • Does that touch the disk, before bs64?