GST Filing Online Free
File GST returns online — GSTR-1, GSTR-3B, GSTR-9 with auto-populate, validation, and filing reminders. No signup, no charges. Join 50,000+ businesses filing GST with DoAide.
File GST Returns Free
Prepare GSTR-1, GSTR-3B, and GSTR-9 returns with auto-populate and built-in validation. Upload to GST portal in one click.
Start GST Filing → GST CalculatorWhy File GST with DoAide?
GSTR-1 Filing
Add B2B and B2C invoices, credit/debit notes, and export details. Auto-generate JSON for direct upload to the GST portal.
GSTR-3B Filing
Auto-calculate output tax, ITC, and net liability. Pre-filled from your GSTR-1 and GSTR-2A data for error-free returns.
Auto-Populate from GSTR-2A
Import your purchase data from GSTR-2A automatically. Match invoices, reconcile ITC, and catch mismatches before filing.
Filing Date Reminders
Never miss a GST deadline. Get reminders for GSTR-1, GSTR-3B, and annual return due dates throughout the year.
Penalty Calculator
Calculate late filing penalties and interest instantly. Know the exact cost of delayed returns before you file.
Free Forever
No signup, no premium tier, no hidden charges. Prepare unlimited returns for any number of GSTINs — always free.
Step-by-Step GST Filing Guide
- Gather invoices: Collect all sales and purchase invoices for the filing period. Ensure HSN codes and GST rates are correct.
- Open DoAide GST Filing: Go to gst.doaide.com/filing. No signup needed — start immediately.
- Enter GSTIN: Enter your GST Identification Number to auto-fetch business details and filing history.
- Add invoice data: Enter B2B invoices (with buyer GSTIN), B2C sales, and any credit/debit notes. Or import from Excel/CSV.
- Review auto-calculations: DoAide auto-calculates output tax, ITC eligibility, and net tax liability. Verify the summary.
- Generate JSON file: Download the JSON file formatted for the GST portal. All validations run automatically.
- Upload to GST portal: Log in to gst.gov.in, navigate to returns, and upload the JSON file. Submit and file.
More Free GST Tools
Frequently Asked Questions
How to file GSTR-1 online for free?
Use DoAide GST at gst.doaide.com/filing. Enter your GSTIN, add B2B and B2C invoice details, verify the auto-populated summary, and generate the JSON file for upload to the GST portal. DoAide prepares your return — you upload it on gst.gov.in. Completely free.
What are the GST return filing deadlines for 2026-27?
GSTR-1 is due on the 11th of the following month (quarterly for QRMP: 13th after quarter end). GSTR-3B is due on the 20th of the following month (22nd/24th for quarterly filers). GSTR-9 annual return is due by 31st December. Use DoAide's filing calendar for all dates.
What is the penalty for late GST filing?
Late filing of GSTR-3B attracts Rs 50/day (Rs 20/day for nil return) up to a maximum of Rs 10,000 per return. Additionally, 18% annual interest applies on the tax amount due. Use DoAide's penalty calculator to compute exact late fees.
Can composition scheme dealers file GST online free?
Yes. Composition dealers file CMP-08 quarterly and GSTR-4 annually. DoAide supports both forms with auto-calculation of tax at composition rates (1% for manufacturers, 5% for restaurants, 6% for services). All free.
Is DoAide GST filing really free?
Yes, 100% free. DoAide helps you prepare GST returns (GSTR-1, GSTR-3B, GSTR-9, CMP-08) with auto-populate, validation, and JSON generation. No signup, no hidden charges, no premium tier. The actual filing happens on the GST portal (gst.gov.in) which is also free.