Tools starting with K

Kaal Sarp Dosha Checker

Check if all 7 planets (Sun through Saturn) are positioned between Rahu and Ketu, forming Kaal Sarp Dosha. Identifies the dosha type — Anant, Kulik, Vasuki, Takshak, and 8 more — using real planetary positions.

Karvonen Heart Rate Calculator

Training zones from the Karvonen heart rate reserve method using your resting and maximum heart rate.

Kegel Exercise Timer

Guided hold-and-release pelvic floor timer with progression levels, set rests and a daily contraction count.

Key Signature Quiz

Identify major and minor keys from sharps and flats, with instant scoring and the circle-of-fifths rule behind every answer.

Keyboard and Mouse Position Guide

Work out keyboard height, keyboard tilt and how far your keyboard pushes the mouse out of a neutral reach.

Keyboard Focus-Order Replay

Estimate sequential keyboard focus order from pasted static HTML and replay the resulting tab stops locally with calibrated structural cues.

Keyboard Layout Tester

Test your keyboard layout interactively — see which keys register, check rollover, and diagnose stuck or ghost keys in real time.

Keyboard Shortcut Trainer

Master keyboard shortcuts across platforms and apps with interactive practice and flashcard study modes.

Kids AI Usage Guide Builder

Build a printable family agreement on when, how and how long children may use AI tools, with age-based rules.

Kids Bicycle Size Selector

Pick a child's wheel size from their inseam, then set saddle height and standover clearance and see how long the bike will fit.

Kids Daily Step Goal Planner

Age and sex appropriate daily step targets for children, with WHO active-minute goals and playful progress levels to close the gap.

Kids Device Setup Guide

Set up parental controls on Android, iPhone, iPad, Windows, smart TV, PlayStation, Nintendo Switch, Minecraft, Instagram Teen and WhatsApp for your child.

Kids First Smartphone Readiness Quiz

A weighted 14-question quiz that scores a child's readiness for a first phone and returns starting rules to match.

Kids Milestone & Vaccine Vault

Securely track child milestones and vaccination records.

Kids Screen Time Limit Planner

Age-based daily screen budget split by purpose, with sleep, activity and wind-down checks from WHO and AAP guidance.

Kisan Vikas Patra Doubling Calculator

Find the Kisan Vikas Patra doubling period and maturity value at the current 7.5% rate, with a year-by-year growth table.

Kitchen Backsplash Tile Calculator

Work out backsplash tile quantity, boxes and cost for the band between the counter and the overhead cabinets.

Kitchen Chimney Suction Selector

Compute the chimney suction in cubic metres per hour your kitchen needs from its volume, air changes, burners and duct run.

Kitchen Multi-Timer

Run named timers for every dish at once, with real cook-time presets and a plan that gets everything ready together.

Kitchen Platform Granite Cost

Work out kitchen platform granite in running feet and square feet, with skirting, wastage, sink and hob cutouts and total cost.

Kitchen Unit Converter

Convert kitchen unit values or formats quickly with clear, usable results.

Kitchen Waste Compost Estimator

Estimate finished compost yield, the browns needed to balance the C:N ratio and the waste you divert from landfill each year.

Klondike Solitaire

Play Klondike solitaire online free — draw 1 or draw 3, unlimited undo, and smart auto-complete.

KMPL Mileage Calculator

Work out true km/l with the tank-to-tank method from odometer and litres filled, with l/100km, mpg and cost per km.

Kneeling Chair Adaptation Planner

Week-by-week ramp from your first short sit to a full day on a kneeling chair, using the 10% weekly load rule.

Kubernetes ConfigMap and Secret Generator

Turn key=value pairs or an .env file into ConfigMap and base64-encoded Secret manifests with validated keys.

Kubernetes Label Selector Tester

Test matchLabels and matchExpressions (In, NotIn, Exists, DoesNotExist) against sample pod labels instantly.

Kubernetes Service YAML Generator

Generate ClusterIP, NodePort or LoadBalancer Service manifests with validated names, selectors and port mappings.

Kundli / Birth Chart Generator

Generate a Vedic-style birth chart with lagna, planets, houses, nakshatra, tithi, and dasha timeline.

Kundli Matching (Guna Milan)

Ashta Koota compatibility check — 8 categories, 36 gunas. Calculate Varna, Vashya, Tara, Yoni, Graha Maitri, Gana, Bhakoot, Nadi, and Manglik Dosha for two individuals using real astronomical calculations.