A Guide on How to Convert GSTR 1 Excel to JSON

Bio

Ankit Rahangdale is a seasoned finance professional with a distinguished background as a Chartered Accountant. Currently, he leads the Finance Department at Pice. With over five years of invaluable experience in the banking and finance sector, honing his expertise through esteemed institutions such as ICICI Bank and Standard Chartered Bank.

12 Aug 25
5 mins

Ankit Rahangdale

08 Mins
12-08-25

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Table of Contents

Steps to Convert a GSTR-1 Returns Excel File to JSON
Conclusion

Convert GSTR-1 Excel to JSON using the GST offline tool from the GST portal for seamless GST return filing.
Always use the latest GST offline tool version to ensure GST compliance and error-free GSTR-1 JSON file generation.
The GST portal accepts JSON format for GSTR-1 returns, making Excel-to-JSON conversion mandatory for filing.
Check your GSTR-1 summary in the offline tool before generating the JSON to avoid GST filing errors.
Save the generated GSTR-1 JSON file securely for accurate and timely GST portal uploads.

To convert GSTR-1 Excel file into JSON, you can use a GST offline tool that is available on the GST portal. Downloading and using this tool is very simple.

If you already have a downloaded tool, make sure to use the latest version of the GST offline tool. This tool is the primary tool used for filing GST returns. Using this tool ensures that you are compliant with the GST portal’s regulations. In this blog, we are going to learn how to convert GSTR 1 Excel to JSON.

Steps to Convert a GSTR-1 Returns Excel File to JSON

The GST portal accepts a JSON file as a standard format for filing your GSTR-1 data. Hence, it is important to convert a completed GSTR-1 Excel return to a JSON file. Here is a step-by-step process for you to convert your GSTR-1 returns Excel file into JSON.

Click on “Report Menu” and then click on “GSTR1 sub-menu”.
Select the from and to dates and then click on the “Search” button.
Now, you have an option to download your GSTR-1 report quarterly or monthly. You can do this by clicking on the “Download GSTR1 Excel” button.
Once your file’s download is complete, click on “Enable Editing” and save that file. Make sure to download it as it is, do not rename it.
Now, visit the portal by clicking and then download the GST offline tool by clicking on “Download”.
Once you have downloaded your GST offline tool to your desktop, open it by double-clicking on it.
Under the “Upload New Invoice” or "Other Data for Return Menu”, you will find a “New” button. Click on it.
Fill in the required fields. These include your GST number and your month or period of filing.
Once you are done filling up these sections, click on the “Proceed” button.
Now, click on the “Import File” option.
Now, you will find an “Import Excel” button, click on it and attach your GSTR-1 Excel file.
Once your data is imported, click on the “View Summary” option to check your file.
As your Excel sheet import GSTR-1 successfully, click on the “Generate File” button.
After this process, your JSON file is generated and a link will appear on your screen.
Click on that link to download it and save it on your desktop.
Your GSTR-1 return Excel file is converted to JSON and saved in your system. Now, you can use this GSTR-1 JSON file to file your GSTR-1 return.

Conclusion

It is important to convert your GSTR-1 return filing from Excel format to JSON as it is the standard format to upload returns on the GST portal. You must also ensure that you are using the latest version of the GST offline tool from the GST portal.

This helps you to stay compliant with new GST regulations and file your GST returns accordingly. Make sure to properly summarise your converted file, look for probable mistakes and make sure to rectify them before filing your GSTR-1.

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FAQs

How Do I Convert a GSTR-1 Excel File to JSON?

To convert GSTR-1 Excel to JSON, download the GST offline tool from the GST portal. Import your GSTR-1 Excel file into the tool, check the summary, and click “Generate File” to create a GSTR-1 JSON file. This JSON format is the only file type accepted for uploading GSTR-1 returns on the GST portal. Ensure you use the latest version of the GST offline tool for smooth processing.

Why is JSON Format Required for GSTR-1 Filing?

The JSON format for GSTR-1 is required because the GST portal only accepts JSON files for uploading return data. This standard format ensures compatibility with the GST Network and accurate data processing. Converting your GSTR-1 Excel file to JSON before GST return filing helps maintain GST compliance and prevents rejections due to format errors.

What is the GST Offline Tool and How Does It Help in JSON Conversion?

The GST offline tool is a government-provided utility that helps taxpayers convert GSTR-1 Excel files into the required JSON file format for GST portal uploads. It allows you to import, validate, and review your GSTR-1 data before generating the JSON. Using this tool reduces filing errors and ensures your GST return is uploaded in the correct format.

What Steps Should I Follow Before Generating a GSTR-1 JSON File?

Before generating a GSTR-1 JSON file, make sure to review your imported Excel data in the GST offline tool. Use the “View Summary” option to check invoice details, taxable amounts, and tax values. Correct any errors before clicking “Generate File.” A proper GSTR-1 summary check ensures accuracy in the GST filing process and avoids costly amendments later.

How Can I Ensure Error-Free GSTR-1 JSON File Generation?

To create an error-free GSTR-1 JSON file, always download the latest GST offline tool, avoid renaming the Excel file, and verify that all mandatory fields are filled. Double-check invoice data, GSTIN, and tax rates before generating the JSON. This proactive approach prevents GST portal rejections, ensures GST compliance, and saves time during the GST filing process.