GST Error Report Decoder
Analyze the error JSON files generated by the GST Portal. View what went wrong with your uploaded invoices in a clear, readable table format.
Failed to read the file. Are you sure it's a valid GST error JSON?
How to read the GST Error Report?
When you upload JSON payload via the GST Offline Tool and some invoices contain errors (like invalid GSTINs, duplicate invoices, incorrect tax rates), the portal generates an "Error Report". This decoder parses that obfuscated JSON and highlights precisely which invoices failed and why.
Frequently Asked Questions
What is a GST error report in 2026?
A GST error report highlights the discrepancies and errors that occurred during the JSON payload upload to the official GST portal. In 2026, parsing this report offline helps businesses fix syntax and schema errors securely.
How can I fix GST portal JSON errors?
To fix GST JSON errors, download the error report JSON from the portal, upload it to our free offline tool, and view the exact line and invoice number that caused the issue. Then, correct your source ERP data and regenerate the JSON.
Is this GST error report tool safe to use?
Yes. Our GST error report tool runs 100% locally in your browser. None of your sensitive invoice data or error logs are uploaded to any server, ensuring complete data privacy.
Why do I get 'Invalid GSTIN' errors in GSTR-1?
This happens when the buyer's GSTIN is cancelled, suspended, or incorrectly formatted. Our error report tool will pinpoint exactly which invoice contains the invalid GSTIN.
Can I convert the GST error report to Excel?
While this specific tool reads and formats the error JSON, you can use our GSTR-1 JSON to Excel tool to convert your entire return data, including errors, into a readable Excel format.
Does this tool support GST 2.0 error schemas?
Yes, our tool is updated for 2026 and fully supports the latest GST 2.0 error JSON schemas provided by the GSTN.
Why is the GST portal showing 'Processed with Error'?
This status means your return file was accepted, but specific invoices or records failed validation. You must download the error report and use our tool to decode which records failed.
Can I use this tool on my mobile phone?
Yes, our GST offline tools are fully responsive and work seamlessly on mobile browsers without requiring a dedicated app download.
Do I need to login to view GST errors here?
No login is required. Taxzentic's tools are completely free and accessible instantly without any sign-up or subscription.
What is a GST Error Report JSON?
When you upload an offline JSON to the GST portal and there are discrepancies (like duplicate invoices or invalid GSTINs), the portal generates an Error Report link. This link contains a JSON file detailing exactly which invoices failed.