Online GSTR-3B Return Filing and Tax Calculator
Simplify your GSTR-3B return filing with our free online tool. Calculate outward supplies, IGST, CGST, SGST, and ITC instantly. Try it now on Doffl.
About GST Return Filing (GSTR-3B)
The GSTR-3B return filing tool helps Indian taxpayers, business owners, and accounting professionals summarize monthly sales and compute tax liabilities. It simplifies the calculation of outward supplies, eligible Input Tax Credit (ITC), and reverse charge obligations across CGST, SGST, and IGST heads.
Designed for speed and accuracy, this tool runs entirely in your browser without requiring account creation or software installations. Prepare your monthly self-assessed figures with confidence before submitting them directly to the government GST portal.
Key features
- Computes CGST, SGST, and IGST liabilities accurately
- Automates Input Tax Credit eligibility calculations
- Summarizes taxable outward and inward supplies
- Calculates net payable tax after adjusting ITC
- Runs entirely in the browser for complete privacy
- Provides verified totals ready for GST portal entry
How to use GST Return Filing (GSTR-3B)
- Enter the taxable value of your outward supplies.
- Input applicable tax amounts across IGST, CGST, and SGST.
- Add your eligible Input Tax Credit amounts under each tax head.
- Review the calculated net tax liability and balance payable.
- Use the verified figures to complete your return on the GST portal.
Who is it for?
- Small business owners preparing monthly self-assessed GST summaries
- Accountants reconciling client sales registers and purchase invoices
- Freelancers determining net tax liability after claiming ITC offsets
- Tax practitioners pre-validating computation sheets before official portal filing
Frequently asked questions
Is this GSTR-3B filing tool free to use?
Yes, this tool is completely free to use and does not require account registration or software downloads.
Does this tool directly submit data to the GST portal?
No, this is an offline preparation and calculation utility. It helps you compute, verify, and balance your tax figures before you manually enter or upload them to the official GST portal.
How does the tool calculate net tax payable?
It calculates your gross tax liability from outward supplies and subtracts eligible Input Tax Credit (ITC) according to standard GST set-off rules across IGST, CGST, and SGST.
Is my financial data stored on your servers?
No, the tool operates entirely on your local device within your web browser. None of your business data or financial figures are sent to or stored on external servers.
Who is required to file GSTR-3B in India?
All regular taxpayers registered under GST in India must file GSTR-3B on a monthly or quarterly basis, even if there are no business transactions during the period (nil return).