About AnyToolFree

AnyToolFree is an online collection of practical calculators and browser-based utilities. The aim is to make common calculations and technical tasks easier to complete without requiring visitors to create an account or install a separate application.

What you can do here

The current collection includes finance calculators for EMI, fixed deposits, SIPs and retirement planning; salary, GST, property-yield and car lease-versus-buy tools; developer utilities for JSON formatting, JSON-to-table conversion, API request testing and image-byte conversion; and a browser-based encryption and decryption lab.

How the tools are presented

Tool pages are intended to explain their purpose, supported inputs, assumptions and common limitations. Financial outputs are estimates, not guaranteed returns or lender quotations. Developer utilities explain supported formats and browser constraints. The API Request Tester contacts the destination you enter, while many other conversions and calculations run locally in your browser.

Continuous improvement

Tools and explanations may be refined as browser support, user needs and technical requirements change. Visitors should check the individual tool page for its current features and limitations and independently verify important results.

For information about data handling, see the Privacy Policy. For usage conditions, see the Terms of Use.

Last updated: 31 October 2026.