Built for you
For individuals
EMI, SIP, tax and everyday utilities — free, private, offline. No business pitch attached.
EMI, SIP, tax and everyday utilities — free, private, offline. No business pitch attached.
Modules
The modules that fit
Invoices & ClientsGST-ready invoices with line items, catalogs, credit notes and WhatsApp share — free for solo users in India.Available
GST & ReturnsGSTIN per client, CGST/SGST/IGST splits, GSTR-1 & 3B exports your CA will accept.Available
Recurring & RetainersRetainers and recurring rules that bill themselves.Available
Mysty in your booksAsk your books questions in plain language — the AI assistant grounded in your own data, bring-your-own keys.Available
Investments & 80CPersonal finance: track investments and tax-saving buckets.Available
Income TrackingEvery income stream, one honest picture.Available
Time TrackingBillable hours that flow straight into invoices.Available
Offline-first PWAWorks in the basement, syncs when you surface. Voice entry in EN/HI/TA/TE/KN.Available
Gold Savings PassbookRate-stamped, append-only, double-entry — the savings book customers can verify.Available
Goal Savings & StreaksGoals, streaks and auto round-up that keep customers saving.Available
Gift-a-SchemeGold savings as a gift — with family accounts and referrals.Available
Book My GoldRate-locking so customers buy at the price they saw.Available
Free tools
Tools you can use right now
No signup; most run entirely in your browser.
Age calculatorIndiaAverage calculatorIndiaBusiness days calculatorIndiaCountdown makerIndiaDate differenceIndiaDate plus N daysIndiaDiscount calculatorIndiaFuel cost calculatorIndiaLoan comparisonIndiaMileage calculatorIndia
Did you know?
44 India-first business tools — GST, UPI, gold, EMI — the layer global tool sites never build.
💬 Share this tipHi 👋 — ask me anything about Demystify Tools
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Frequently asked
- What does Demystify offer individuals?
- EMI, SIP, tax and everyday utilities — free, private, offline. No business pitch attached. Everything is shown with its honest status — Available, Early access, or Provisioned on request.
- Is there a free way to start?
- Yes — Demystify Tools has a free entry point, and the tools below run free with no signup (most run entirely in your browser).
- Can I own and export my data?
- Yes. Every Demystify product is export-any-day, offline-first where it makes sense, and open via REST + MCP. Your data and ledgers stay yours and verifiable.