Size limit in Azure AI translator

Question

Size limit in Azure AI translator

Simon Duhil 0

Hello, I run a digital agency in France and work for several clients around the world.

We are currently working for a major client in the luxury sector on an interface that automatically translates documents. We are therefore using Azure AI Translator.

We have some API limitations, notably:

Documents are limited to 40 MB. This is a real obstacle for us because our client has PPT presentations that are much larger in size. Is there a way to increase this size?
Line break issues, particularly in PPT files. When translating PPT documents, we have a problem with line break management because the API does not understand the overall context. Is it possible to specify that line breaks should be ignored in certain documents or in certain situations?

Thank you in advance for your feedback.

Ryan Bailey 0 Reputation points

2025-10-09T06:45:40.0066667+00:00

I am managing a digital agency based in France, working with clients globally, including a major luxury sector client. We are utilizing Azure AI Translator for automatic document translation, but we face some limitations. The document size limit of 40 MB is problematic because our clients often provide larger PPT presentations. Is there a way to increase this size limit? Additionally, when translating PPT files, we encounter issues with line breaks, as the API struggles to interpret the overall context, leading to formatting problems. Is there a way to configure the API to ignore or better handle line breaks in PPT documents to maintain formatting? Your guidance on overcoming these limitations would be highly appreciated.

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Ryan Bailey 0 Reputation points

2025-10-09T06:45:40.0066667+00:00

I am managing a digital agency based in France, working with clients globally, including a major luxury sector client. We are utilizing Azure AI Translator for automatic document translation, but we face some limitations. The document size limit of 40 MB is problematic because our clients often provide larger PPT presentations. Is there a way to increase this size limit? Additionally, when translating PPT files, we encounter issues with line breaks, as the API struggles to interpret the overall context, leading to formatting problems. Is there a way to configure the API to ignore or better handle line breaks in PPT documents to maintain formatting? Your guidance on overcoming these limitations would be highly appreciated.

Answer 1

Hi Simon,
Currently, there is no way to increase the size limit. Here is the supported documentation:
https://free.blessedness.top/en-us/azure/ai-services/translator/service-limits#asynchronous-batch-operation-limits

I tried dividing the PPT using Python code on my end, but it doesn't create valid PPTs.

You cannot specify the line breaks to be ignored.

Here is the supported documentation:
https://free.blessedness.top/en-us/azure/ai-services/translator/text-translation/quickstart/rest-api?tabs=python#headers

You can use the below code to remove every line break from your PPT:

from pptx import Presentation

def remove_line_breaks(text):
    return text.replace('\n', ' ').replace('\r', ' ')

def remove_line_breaks_from_pptx(file_path, output_file_path):
    prs = Presentation(file_path)  
    for slide in prs.slides:
        for shape in slide.shapes:
            if hasattr(shape, "text"):  
                shape.text = remove_line_breaks(shape.text)
    
    prs.save(output_file_path)
    print(f"PowerPoint file saved without line breaks as '{output_file_path}'.")

input_pptx = r'<YOUR-PPTX-FILE-PATH-HERE>'
output_pptx = 'output_pptx_file_without_line_breaks.pptx'

remove_line_breaks_from_pptx(input_pptx, output_pptx)

Feel free to accept this as an answer.
Thankyou for reaching out to the Microsoft QNA Portal.

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Size limit in Azure AI translator

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