Lead-loss calculator
Estimate enquiries missed on personal WhatsApp and revenue left on the table for Indian B2B teams.
Free tools
Free tools for WhatsApp B2B sales
Client-side calculators and builders — no signup, no data stored on our servers. Use in the browser and share results on WhatsApp.
BizNuma free tools help Indian B2B teams estimate lead loss on personal WhatsApp, build click-to-chat links, plan Meta API messaging spend, and draft GST quotations — before you move to an Official WhatsApp Business number with instant auto-reply and a shared team inbox.
WhatsApp click-to-chat link
Generate a wa.me link for India (+91) with an optional prefilled message — open or copy without saving the number.
WhatsApp API cost calculator (India)
Rough monthly Meta conversation spend by category, plus optional BizNuma plan — 0% Meta markup.
GST Quotation Builder
Draft B2B quotes with line items, HSN, and CGST/SGST or IGST — copy plain text for WhatsApp.
Official API vs Business app quiz
Seven questions for Indian B2B sellers — Business app, Official WhatsApp API, or why to avoid grey-route bulk senders.
Related guides for Indian B2B teams:
Frequently asked questions
Are BizNuma free tools really free?
Yes. These calculators and builders run entirely in your browser. No login, no account, and we do not store your inputs on BizNuma servers.
Who are these tools for?
Indian B2B sellers and inside sales teams who quote, follow up, and collect payments on WhatsApp — especially wholesalers, manufacturers, distributors, and marketplace sellers.
Do the WhatsApp API cost numbers match my Meta invoice?
No. The API cost calculator uses indicative Meta conversation rates for India with a planning band. Meta changes rates — confirm live Meta pricing before budgeting.
Can I share tool results on WhatsApp?
Yes. The lead-loss calculator and click-to-chat tool include copy or share-friendly output. GST quotations copy plain text for chat.
How do free tools relate to BizNuma CRM?
Tools help you estimate gaps (lost leads, messaging costs) or draft quotes. BizNuma is the Official WhatsApp Business API CRM — shared team inbox, instant auto-reply, pipeline, GST quotes, and payment links in chat. Plans from ₹999/mo + GST with 30-day chat history on every plan.