HTML to Image Python Examples

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

Basic examples
Template rendering examples
Django examples
Flask examples

Basic examples

Webpage to PNG file

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

Webpage to in-memory PNG

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

    # run the conversion and store the result into the "image" variable
    image = client.convertUrl('http://www.example.com')

    # at this point the "image" variable contains PNG 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

Webpage to PNG stream

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

    # run the conversion and write the result into the output stream
    client.convertUrlToStream('http://www.example.com', output_stream)

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

HTML file to PNG file

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

HTML file to in-memory PNG

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

    # at this point the "image" variable contains PNG 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

HTML file to PNG stream

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

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

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

HTML string to PNG file

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

    # run the conversion and write the result to a file
    client.convertStringToFile('<html><body><h1>Hello World!</h1></body></html>', 'HelloWorld.png')
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

HTML string to in-memory PNG

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

    # run the conversion and store the result into the "image" variable
    image = client.convertString('<html><body><h1>Hello World!</h1></body></html>')

    # at this point the "image" variable contains PNG 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

HTML string to PNG stream

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

    # run the conversion and write the result into the output stream
    client.convertStringToStream('<html><body><h1>Hello World!</h1></body></html>', 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.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

Template rendering examples

Create Image from JSON data

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

    # configure the conversion
    client.setOutputFormat('png')
    client.setDataString("""{
            "name": "World",
            "product": "Pdfcrowd API"
        }""")

    # run the conversion and write the result to a file
    client.convertStringToFile('Hello {{ name }} from {{ product }}', 'output.pdf')
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

Create Image from XML data

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

    # configure the conversion
    client.setOutputFormat('png')
    client.setDataString("""<?xml version="1.0" encoding="UTF-8"?>
        <data>
          <name>World</name>
          <product>Pdfcrowd API</product>
        </data>""")

    # run the conversion and write the result to a file
    client.convertStringToFile('Hello {{ data.name }} from {{ data.product }}', 'output.pdf')
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

Create Image from YAML data

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

    # configure the conversion
    client.setOutputFormat('png')
    client.setDataString("""name: World
product: Pdfcrowd API""")

    # run the conversion and write the result to a file
    client.convertStringToFile('Hello {{ name }} from {{ product }}', 'output.pdf')
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

Create Image from CSV data

import pdfcrowd
import sys

try:
    # create the API client instance
    client = pdfcrowd.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

    # configure the conversion
    client.setOutputFormat('png')
    client.setDataString("""name,product
World,Pdfcrowd API""")

    # run the conversion and write the result to a file
    client.convertStringToFile('Hello {{ name }} from {{ product }}', 'output.pdf')
    
except pdfcrowd.Error as why:
    sys.stderr.write('Pdfcrowd Error: {}\n'.format(why))
    raise

Django examples

Webpage to PNG 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.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

        # run the conversion and write the result into the output stream
        client.convertUrlToStream('http://www.example.com', 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')

HTML file to PNG 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.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

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

HTML string to PNG 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.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

        # run the conversion and write the result into the output stream
        client.convertStringToStream('<html><body><h1>Hello World!</h1></body></html>', 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

Webpage to PNG 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.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

        # run the conversion and store the result into the "image" variable
        image = client.convertUrl('http://www.example.com');

        # send the result and set HTTP response headers
        response = Response(image, mimetype='image/png')
        response.headers['Cache-Control'] = 'max-age=0'
        response.headers['Accept-Ranges'] = 'none'
        response.headers['Content-Disposition'] = "attachment; filename*=UTF-8''" + urllib.parse.quote('example.png', 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')

HTML file to PNG 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.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

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

        # send the result and set HTTP response headers
        response = Response(image, mimetype='image/png')
        response.headers['Cache-Control'] = 'max-age=0'
        response.headers['Accept-Ranges'] = 'none'
        response.headers['Content-Disposition'] = "attachment; filename*=UTF-8''" + urllib.parse.quote('MyLayout.png', 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')

HTML string to PNG 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.HtmlToImageClient('demo', 'ce544b6ea52a5621fb9d55f8b542d14d')

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

        # run the conversion and store the result into the "image" variable
        image = client.convertString('<html><body><h1>Hello World!</h1></body></html>');

        # send the result and set HTTP response headers
        response = Response(image, mimetype='image/png')
        response.headers['Cache-Control'] = 'max-age=0'
        response.headers['Accept-Ranges'] = 'none'
        response.headers['Content-Disposition'] = "attachment; filename*=UTF-8''" + urllib.parse.quote('HelloWorld.png', 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')