Image to Image Python Examples

This page contains various examples of using the Image to Image API in Python. The examples are complete and fully functional. Read more about how to convert Image to Image in Python.

Basic examples
Django examples
Flask examples

Basic examples

PNG file to JPEG file

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')

    # run the conversion and write the result to a file
    client.convertFileToFile('/path/to/logo.png', 'logo.jpg')
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

PNG file to in-memory JPEG

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')

    # run the conversion and store the result into the "image" variable
    image = client.convertFile('/path/to/logo.png')

    # at this point the "image" variable contains JPG raw data and
    # can be sent in an HTTP response, saved to a file, etc.
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

PNG file to JPEG stream

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')

    # create an output stream for the conversion result
    output_stream = open('logo.jpg', 'wb')

    # run the conversion and write the result into the output stream
    client.convertFileToStream('/path/to/logo.png', output_stream)

    # close the output stream
    output_stream.close()
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

PNG url to JPEG file

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')

    # run the conversion and write the result to a file
    client.convertUrlToFile('https://pdfcrowd.com/static/images/logo.png', 'logo.jpg')
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

PNG url to in-memory JPEG

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')

    # run the conversion and store the result into the "image" variable
    image = client.convertUrl('https://pdfcrowd.com/static/images/logo.png')

    # at this point the "image" variable contains JPG raw data and
    # can be sent in an HTTP response, saved to a file, etc.
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

PNG url to JPEG stream

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')

    # create an output stream for the conversion result
    output_stream = open('logo.jpg', 'wb')

    # run the conversion and write the result into the output stream
    client.convertUrlToStream('https://pdfcrowd.com/static/images/logo.png', output_stream)

    # close the output stream
    output_stream.close()
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

In-memory PNG to JPEG file

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')

    # run the conversion and write the result to a file
    client.convertRawDataToFile(open('/path/to/logo.png', 'rb').read(), 'logo.jpg')
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

In-memory PNG to in-memory JPEG

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')

    # run the conversion and store the result into the "image" variable
    image = client.convertRawData(open('/path/to/logo.png', 'rb').read())

    # at this point the "image" variable contains JPG raw data and
    # can be sent in an HTTP response, saved to a file, etc.
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

In-memory PNG to JPEG stream

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')

    # create an output stream for the conversion result
    output_stream = open('logo.jpg', 'wb')

    # run the conversion and write the result into the output stream
    client.convertRawDataToStream(open('/path/to/logo.png', 'rb').read(), output_stream)

    # close the output stream
    output_stream.close()
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

Get info about the current conversion

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

    # configure the conversion
    client.setOutputFormat('jpg')
    client.setDebugLog(True)

    # run the conversion and write the result to a file
    client.convertFileToFile('/path/to/logo.png', 'logo.jpg')
    
    # print URL to the debug log
    print('Debug log url: {}'.format(client.getDebugLogUrl()))
    
    # print the number of available conversion credits in your account
    print('Remaining credit count: {}'.format(client.getRemainingCreditCount()))
    
    # print the number of credits consumed by the conversion
    print('Consumed credit count: {}'.format(client.getConsumedCreditCount()))
    
    # print the unique ID of the conversion
    print('Job id: {}'.format(client.getJobId()))
    
    # print the size of the output in bytes
    print('Output size: {}'.format(client.getOutputSize()))
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

Django examples

PNG file to JPEG in Django

import urllib.parse
from django.http import HttpResponse
from django.views.decorators.http import require_POST
import pdfcrowd

# the recommended method is POST
@require_POST
def convert(request):
    try:
        # create the API client instance
        client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

        # configure the conversion
        client.setOutputFormat('jpg')

        # set HTTP response headers
        response = HttpResponse(content_type='image/jpeg')
        response['Cache-Control'] = 'max-age=0'
        response['Accept-Ranges'] = 'none'
        response['Content-Disposition'] = "attachment; filename*=UTF-8''" + urllib.parse.quote('logo.jpg', safe='')

        # run the conversion and write the result into the output stream
        client.convertFileToStream('/path/to/logo.png', response)
        return response
    except pdfcrowd.Error as why:
        # send the error in the HTTP response
        return HttpResponse(why.getMessage(),
                            status=why.getCode(),
                            content_type='text/plain')

PNG url to JPEG in Django

import urllib.parse
from django.http import HttpResponse
from django.views.decorators.http import require_POST
import pdfcrowd

# the recommended method is POST
@require_POST
def convert(request):
    try:
        # create the API client instance
        client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

        # configure the conversion
        client.setOutputFormat('jpg')

        # set HTTP response headers
        response = HttpResponse(content_type='image/jpeg')
        response['Cache-Control'] = 'max-age=0'
        response['Accept-Ranges'] = 'none'
        response['Content-Disposition'] = "attachment; filename*=UTF-8''" + urllib.parse.quote('logo.jpg', safe='')

        # run the conversion and write the result into the output stream
        client.convertUrlToStream('https://pdfcrowd.com/static/images/logo.png', response)
        return response
    except pdfcrowd.Error as why:
        # send the error in the HTTP response
        return HttpResponse(why.getMessage(),
                            status=why.getCode(),
                            content_type='text/plain')

In-memory PNG to JPEG in Django

import urllib.parse
from django.http import HttpResponse
from django.views.decorators.http import require_POST
import pdfcrowd

# the recommended method is POST
@require_POST
def convert(request):
    try:
        # create the API client instance
        client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

        # configure the conversion
        client.setOutputFormat('jpg')

        # set HTTP response headers
        response = HttpResponse(content_type='image/jpeg')
        response['Cache-Control'] = 'max-age=0'
        response['Accept-Ranges'] = 'none'
        response['Content-Disposition'] = "attachment; filename*=UTF-8''" + urllib.parse.quote('logo.jpg', safe='')

        # run the conversion and write the result into the output stream
        client.convertRawDataToStream(open('/path/to/logo.png', 'rb').read(), response)
        return response
    except pdfcrowd.Error as why:
        # send the error in the HTTP response
        return HttpResponse(why.getMessage(),
                            status=why.getCode(),
                            content_type='text/plain')

Flask examples

PNG file to JPEG in Flask

import urllib.parse
from flask import Flask, Response
import pdfcrowd

app = Flask(__name__)

# the recommended method is POST
@app.route('/', methods=['POST'])
def convert():
    try:
        # create the API client instance
        client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

        # configure the conversion
        client.setOutputFormat('jpg')

        # run the conversion and store the result into the "image" variable
        image = client.convertFile('/path/to/logo.png');

        # send the result and set HTTP response headers
        response = Response(image, mimetype='image/jpeg')
        response.headers['Cache-Control'] = 'max-age=0'
        response.headers['Accept-Ranges'] = 'none'
        response.headers['Content-Disposition'] = "attachment; filename*=UTF-8''" + urllib.parse.quote('logo.jpg', safe='')
        return response
    except pdfcrowd.Error as why:
        # send the error in the HTTP response
        return Response(why.getMessage(),
                        status=why.getCode(),
                        mimetype='text/plain')

PNG url to JPEG in Flask

import urllib.parse
from flask import Flask, Response
import pdfcrowd

app = Flask(__name__)

# the recommended method is POST
@app.route('/', methods=['POST'])
def convert():
    try:
        # create the API client instance
        client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

        # configure the conversion
        client.setOutputFormat('jpg')

        # run the conversion and store the result into the "image" variable
        image = client.convertUrl('https://pdfcrowd.com/static/images/logo.png');

        # send the result and set HTTP response headers
        response = Response(image, mimetype='image/jpeg')
        response.headers['Cache-Control'] = 'max-age=0'
        response.headers['Accept-Ranges'] = 'none'
        response.headers['Content-Disposition'] = "attachment; filename*=UTF-8''" + urllib.parse.quote('logo.jpg', safe='')
        return response
    except pdfcrowd.Error as why:
        # send the error in the HTTP response
        return Response(why.getMessage(),
                        status=why.getCode(),
                        mimetype='text/plain')

In-memory PNG to JPEG in Flask

import urllib.parse
from flask import Flask, Response
import pdfcrowd

app = Flask(__name__)

# the recommended method is POST
@app.route('/', methods=['POST'])
def convert():
    try:
        # create the API client instance
        client = pdfcrowd.ImageToImageClient('your_username', 'your_apikey')

        # configure the conversion
        client.setOutputFormat('jpg')

        # run the conversion and store the result into the "image" variable
        image = client.convertRawData(open('/path/to/logo.png', 'rb').read());

        # send the result and set HTTP response headers
        response = Response(image, mimetype='image/jpeg')
        response.headers['Cache-Control'] = 'max-age=0'
        response.headers['Accept-Ranges'] = 'none'
        response.headers['Content-Disposition'] = "attachment; filename*=UTF-8''" + urllib.parse.quote('logo.jpg', safe='')
        return response
    except pdfcrowd.Error as why:
        # send the error in the HTTP response
        return Response(why.getMessage(),
                        status=why.getCode(),
                        mimetype='text/plain')