Guides for the calculators and file tools
Step-by-step articles that match a working Toolioz page: SIP math, EMI, JSON, JWT, PDF, and biodata.
Mortgage amortization and prepayment
Derives the EMI formula and shows how an extra principal payment cuts later interest.
Chapters Covered
All guides
Articles that match a published calculator or file tool.
Mortgage amortization and prepayment
Derives the EMI formula and shows how an extra principal payment cuts later interest.
Calculate SIP returns step by step
Shows the monthly SIP future-value formula, a step-up example, and the difference between SIP and a lumpsum.
Decode and inspect a JWT
Explains the three JWT parts, what decoding shows, and why an HS256 check needs the shared secret.
Format JSON and fix parse errors
Explains JSON.parse failures such as trailing commas and single quotes, and what formatting does not change.
Create a marriage biodata PDF
Lists the usual biodata sections and how the Toolioz form saves locally and downloads an A4 PDF.
Reduce home-loan interest with prepayment
Explains how an extra principal payment cuts later interest and shortens a home-loan term.