2025Tool ecosystem

figuretools

100 free calculators

Static collection of calculators and converters. No framework, no accounts, no ads. Built with Eleventy, builds in under a second.

Role

Concept, information architecture, static site, UX

Stack

Eleventy 3.x · Nunjucks · Vanilla JS/CSS

Outcome

117 pages, sub-second builds, zero runtime dependencies.

Project brief

100 free calculators and converters across 8 categories, built for Indian users. No frameworks, no ads, no production dependencies.

PerformanceUtility productsInformation architecture

100 calculators with no framework, no bundler in production, no ads, and no login.

Builds 117 pages in ~0.8 seconds using Eleventy 3.x. Each page loads only its own CSS. Every calculator auto-computes on type with a 300ms debounce.

Mobile-first with 48px touch targets. Finance and tax calculators calibrated for Indian tax brackets, GST rates, and banking norms.

Approach

No JavaScript framework. Page-specific CSS. Static generation — every page is a pre-built HTML file from a CDN.

117 pages, sub-second builds, zero runtime dependencies.

3,300+ Indian and global foods in one searchable database. Includes a calorie tracker and Nutri-Score grading. Play Store and B2B API coming soon.

CSV import, rule-based auto-categorization, and anomaly detection using mean + 2σ. Built with Spring Boot and Thymeleaf.