Blog

Guides, comparisons and reference articles on the tools we build.

Guides 5 Jul 2026 2 min read

How EMI Is Actually Calculated (And Why Your Bank’s Number Differs)

The reducing-balance formula behind every loan EMI, worked through by hand — plus the three reasons your bank quotes a slightly different figure.

By WebToolWorld

Reference 7 Jul 2026 1 min read

How to Decode Base64 Without Leaking Your Data

Base64 is encoding, not encryption. Here is what that means in practice, and how to inspect an encoded payload without handing it to a stranger’s server.

By WebToolWorld