Changelog

Added production-grade HTTP security headers (Content-Security-Policy, X-Frame-Options, HSTS) across all pages. Embed routes stay embeddable while everything else is protected.

Fixed a bug where /embed/* pages were indexed by search engines — they now correctly send noindex while pointing a canonical back to the main tool page.

Loan Calculator now has a 'Compare' mode — enter two loan offers side-by-side and instantly see which saves more money: monthly difference, total interest saved, and a year-by-year amortization diff table.View tool

Currency Converter detects your likely home currency from the browser's built-in language setting and pre-selects it automatically — no external API call, no IP lookup, entirely private.View tool

BMI Calculator now defaults to imperial units (lbs / ft·in) for US-based visitors and metric (kg / cm) for everyone else — switches silently after first render with no layout shift.View tool

Added Google Search Console verification scaffold. Embed pages confirmed noindex. Sitemap verified to contain no /embed/* or /api/* URLs.

Launched a free, no-auth public REST API at /api/v1/ for BMI, Loan/EMI, Percentage, Currency, and Tip calculators. No key required — rate-limited to 60 requests/minute per IP.View tool

Added a full developer documentation page at /api-docs with example requests, JSON response shapes, and CORS details.View tool

Calculator inputs are now reflected as URL query parameters. Changing values updates the URL, so you can share a link that pre-fills the exact same result for whoever opens it.

Added a 'Why QuickCalc?' section to the homepage — a clean row of four factual callouts: 31+ Calculators, 100% Client-Side, No Ads or Pop-ups, No Account Required.View tool

Published a balanced calculator comparison guide — a genuine buyer's-guide page, not a competitor attack piece.View tool

Press Cmd/Ctrl + K anywhere on the site to search and jump to any calculator instantly via the command palette.

Each calculator now has a 'Share Result' button that generates a clean summary card you can copy as a link or share on social media.

Rebuilt the homepage with a new design system: refined color palette, improved typography (Space Grotesk), a live interactive calculator demo in the hero section, and a new icon system throughout.View tool

Redesigned the blog listing page with cleaner article cards and consistent navigation.View tool

Dark mode improved across all pages — better contrast ratios, fewer visual inconsistencies between light and dark themes.

Mobile layout polish: tap targets, spacing, and font sizing tightened up site-wide.

Added proper ARIA labels and focus management throughout. Keyboard navigation improved across dropdowns and toggles.

Reduced motion for users with the prefers-reduced-motion system setting enabled.

Added dedicated category pages for Health & Fitness, Finance & Math, and Utility & Programming.View tool

Added a friendly, on-brand 404 page instead of the framework default.

Every calculator now has a collapsible 'How was this calculated?' section that shows the actual formula with your real numbers filled in — no jargon, step-by-step.

Every calculator result can now be exported as a formatted PDF. Useful for loan summaries, BMI health reports, and anything you'd want to print or attach to an email.

Added a Retirement Savings Calculator — projects how much you'll have saved by retirement based on current savings, monthly contributions, expected return rate, and time horizon.View tool

Published 35 blog guides covering every calculator on the site — real formulas, practical examples, and honest explanations of limitations. Topics include BMI limitations, compound interest, Zakat rules, calorie estimation, salary take-home across three countries, and more.View tool

Rewrote page titles and meta descriptions across all tool pages — accurate, non-clickbait copy targeting real search queries. Added structured FAQ schema so answers can appear directly in search results.

Every calculator can now be embedded on any website. The 'Embed this calculator' button on each tool page generates a ready-to-paste <iframe> snippet.

Added a Travel Time & Fuel Cost Calculator — estimates total trip time and fuel cost for road trips, accounting for distance, average speed, fuel efficiency, and price per litre or gallon.View tool

Added AI-friendly llms.txt so tools like ChatGPT and Perplexity that browse the web can understand what QuickCalc offers.

Savings Growth Calculator — compound interest with optional monthly contributions.View tool

Inflation Calculator — real purchasing power loss using US, Canadian, and Pakistani CPI data.View tool

Discount / Sale Price Calculator — final price after any percentage or fixed discount.View tool

Habit Cost Calculator — shows what daily habits (coffee, cigarettes, subscriptions) cost per month and per year.View tool

Running / Walking Pace Calculator — converts between pace, distance, and finish time.View tool

Pregnancy Weight Gain Calculator — personalised targets based on IOM guidelines and pre-pregnancy BMI.View tool

Salary Take-Home Pay Calculator — net pay after income tax and deductions for US, Canada, and Pakistan.View tool

Zakat Calculator — calculates Zakat due on savings using standard gold and silver nisab thresholds.View tool

Added one-click share buttons (WhatsApp, X/Twitter, Facebook, Copy Link) to every tool page.

Each tool page now shows 3–4 related calculators at the bottom to help you find what you need next.

The homepage search bar now shows live suggestions as you type, with results ranked by relevance.

Added a 50/30/20 Budget Calculator — breaks your income into needs, wants, and savings.View tool

Added a live Currency Converter supporting 35+ currencies with live exchange rates and offline fallback estimates.View tool

Added an Age Calculator — exact age in years, months, days, hours, and minutes, plus zodiac sign and generation label.View tool

Group Expense Splitter — splits any bill or shared cost evenly across multiple people. Useful for trips, dinners, and shared subscriptions.View tool

Percentage Calculator — three modes: 'X% of Y', 'X is what % of Y', and percentage change between two values.View tool

Added a light/dark/system theme toggle — your preference is saved and persists across visits.

Added a homepage search bar to quickly find any calculator by name or topic.

Added breadcrumb navigation to all tool pages for easier orientation and better search engine context.

Added Vercel Analytics for aggregate pageview tracking — no cookies, no personal data collected.

QuickCalc launched publicly with a core suite of calculators: BMI, Tip, Loan / EMI, Water Intake, Sleep Cycle, Shoe Size Converter, Regex Tester, JSON↔CSV Converter, Password Generator, GPA Converter, Color Palette Generator, and more.View tool

All calculations run entirely in your browser — nothing is ever sent to a server.

Mobile-responsive design with full dark mode support from day one.