Autobot
Free tools for Indian businesses
Five free tools that run in your browser, with no sign-up.
MSME interest calculator
Work out the interest a buyer owes you on a late invoice.
Proforma invoice generator
Make a GST or export proforma invoice with CGST, SGST or IGST and the total in words. Print or save as PDF.
WhatsApp Business API cost calculator
See what Meta charges in rupees for your messages a month, by category and country, at the 1 Oct 2026 rates.
Payment reminder message generator
Copy a WhatsApp, SMS and email reminder in English, Hindi or Hinglish, filled in with your invoice details.
Call forwarding code finder for Jio, Airtel, Vi and BSNL
Pick your operator and what to forward, and get the exact code to dial.
Read the guides
The rules and examples behind each tool.
Friendly payment reminder message: templates for WhatsApp, SMS and email
Reminders in English, Hindi and Hinglish, with a day-by-day schedule.
Proforma invoice: format, meaning, GST rules and a free template
Filled GST and export examples, GST on advances and how to turn it into a tax invoice.
Marketing messages on WhatsApp: India rates, rules and 8 samples
Meta's rates in rupees, the limits and how to get the API.
MSME 45 days payment rule: deadline, interest, Section 43B(h) and what to do
Interest at 3x the RBI Bank Rate, the 43B(h) tax deduction and how to recover dues.
Call forwarding codes for Jio, Airtel, Vi and BSNL
Codes for all calls, busy, unanswered and unreachable, and what to do when a code fails.