8 key exercises with muscles worked, step-by-step instructions, and variations.

Assess and plan fitness goal tracker with actionable recommendations

Calculate protein, carb, and fat targets for fitness goals

BMI, calories, macros, water intake and heart rate zones in one fitness API. Built for AI health and wellness agents.

BMI, calories, macros, water intake and heart rate zones in one fitness API. Built for AI health and wellness agents.

BMI, calories, macros, water intake and heart rate zones in one fitness API. Built for AI health and wellness agents.

Fitness data aggregation: step counts, heart rate zones, sleep stages, VO2 max trends, recovery metrics and cross-device

Classify Fitzpatrick skin phototype from clinical description

Fixed Width File Parser

Score workholding fixture design quality for accuracy

Get flag emoji for any country code

15 countries with flag descriptions, color symbolism, shapes, and fascinating unique facts.

Detect flaky tests from pass-fail history patterns

Calculate flash loan fees and arbitrage profitability

Find flash loan opportunities with MEV risk, failure scenarios, and execution plans

Understand flash loan attack vectors - workings, protocols exploited, losses, & oracle mitigations that prevent them.

Flash sale intelligence: optimal discount depth, timing window analysis, scarcity message effectiveness, inventory burn

Calculate and optimize flash sale planner with actionable recommendations

Score flash sale design effectiveness from urgency and margin

Flash Sales API — intelligence and analytics for AI agents.

Generate flashcard data structures from educational content

Analyze and score flashcard generator with actionable recommendations

Generate AI-powered flashcards for any topic with spaced repetition scheduling

Calculate spaced repetition review schedules for flashcards

Score flavor encapsulation efficiency and release

Score ingredient flavor pairings based on compound compatibility

Calculate fleet carbon emissions from fuel and distance data

Score fleet electrification readiness from vehicle and route data

Explain fleet maintenance cost variance from vehicle class, mileage, repair type, vendor rate, and downtime cost

Fleet management for agent workflows: TCO by vehicle type, preventive maintenance scheduling, fuel efficiency benchmarks

Score vehicle replacement urgency from age and cost data

Assess route risk from distance, delay, terrain, border, weather, and stop complexity signals

Calculate fleet asset utilization rates from deployment data

Calculate Flesch Reading Ease and Kincaid Grade Level for any text. Built for AI content and education agents.

Calculate Flesch Reading Ease (0-100) and Flesch-Kincaid Grade Level from any text.

Flesch Reading Ease

Score flex office space utilization from occupancy data

Score flexible office space design effectiveness

Calculate supply chain flexibility indices from capacity data

Score joint flexibility and range of motion from measurements

Score animation and video content for seizure risk signals

Calculate carbon emissions from flight routes and class

Estimate flight and travel costs by destination and style. Budget, mid-range and luxury breakdowns. Built for AI travel agents.

Calculate component life consumed from flight cycle data

Predict flight delay probability using historical on-time data, weather forecasts, airport congestion patterns, and airl

Calculate flight duration from origin destination and stops

Score flight plan efficiency from route and conditions data

Live flight price intel data and intelligence for agents and automated workflows

Score employee flight risk from behavior and engagement signals

Flight schedules routes and availability between airports