GSTR 1 JSON Validator

Fix and Validate GSTR 1 JSON File Online

Validate your GSTR-1 JSON file if you are getting error on the GST Portal. This online validator automatically checks your JSON file for structure, format, and GST schema compliance errors such as "Error in JSON structure validation" or "File could not be uploaded! Download the latest version of Offline Tool..." that often appear during GST filing.

JSON Validation Tool

Steps to Validate and Fix Your GSTR-1 JSON

  1. Select your GSTR-1 JSON file downloaded from the GST Offline Tool.
  2. Click the Validate JSON button to start analysis.
  3. The tool will automatically display any detected errors, such as:
    • Invalid POS at b2cs.4.pos
    • Invalid sply_ty 'INTRAB2C' at b2cs.4.sply_ty (allowed values: INTER, INTRA)
  4. Click any error message to automatically scroll to that specific line in the JSON viewer.
  5. Edit the incorrect value directly inside the built-in JSON editor to fix the issue.
  6. After fixing all errors, click the Download JSON button to download your corrected and validated file.
  7. Finally, upload the corrected JSON file to the GST Portal to file your GSTR-1 without errors.