Checkers & references — page 3

275 projects, page 3 of 5

• Water Watch — Specific Supervision Rules by Child Age and Water Type

  Get the exact drowning-prevention protocol for your child

  Checkers & references · Everyday life

• Vax Check — Child Vaccine Schedule Lookup by Age

  Enter your child

  Checkers & references · Everyday life

• Token Check — Is This Crypto Token a Scam? 60-Second Risk Check

  A free interactive checklist that helps new crypto buyers evaluate any token on any chain before purchasing. Answer 8 plain-language yes/no questions and get a go / caution / avoid verdict — no wallet, no account, no chain limits.

  Checkers & references · Money & crypto

• AI Task Audit — Score Your Real Tasks for Automation Risk

  List 5-10 things you actually do at work, rate each on three research-backed dimensions, and get a personal automation exposure heatmap showing which tasks are your moat and which are at risk.

  Checkers & references · Safety & emergencies

• Supply Shock Map — See Offline Facilities, Capacity Gaps & Alternatives Instantly

  A free reference map for SME procurement buyers. Select a material to instantly see which production facilities are offline, the resulting regional capacity gap, named alternative suppliers, and published rerouting delay benchmarks. No login, no per-incident research.

  Checkers & references · Everyday life

• Sick Call — Am I Too Sick to Go In? 5-Question Checker

  Sick Call is a fast symptom-based decision tool. Answer 5 yes/no questions about fever, cough, vomiting, sore throat, and duration. Get a clear verdict card with return-to-work criteria, escalation warnings, and CDC sources.

  Checkers & references · Health & body

• Shut Off — Identify Your Valve in 10 Seconds

  A visual reference of 15-20 common gas, water, and electric shutoff valves with labeled SVG illustrations. Tap the valve that matches yours to get exact shutdown steps, safety warnings, required tools, and source citations.

  Checkers & references · Safety & emergencies

• Meteor Tonight — Will the Moon Ruin the Meteor Shower?

  Get a clear go/maybe/skip verdict for tonight

  Checkers & references · Science & space

• Screen Schedule — See Every Screening You Are Due For Right Now

  A free reference tool that shows every USPSTF and CDC ACIP screening recommendation for your current age and sex on one dated, source-linked card.

  Checkers & references · Everyday life

• Sat Check — Compare Satellite Internet Providers

  Sat Check is a free reference tool for rural households, RVers, and remote workers. Enter your location and instantly see Starlink, Viasat, HughesNet, and upcoming providers side by side — with hardware costs, monthly fees, latency, data caps, contracts, install complexity, and TOS gotchas.

  Checkers & references · Money & crypto

• Safe Dose 🛡️ Check OTC Medication Ingredient Accumulation

  Safe Dose sums active ingredients across all the over-the-counter products you took today and compares each total to FDA daily limits. It catches the hidden acetaminophen in NyQuil + Tylenol + Excedrin that drug-interaction checkers completely miss.

  Checkers & references · Safety & emergencies

• Quake Check — Know Your Building Earthquake Risk in 30 Seconds

  Answer 5 quick questions about your building to get a personal 1–10 seismic risk score and 3 prioritized mitigation actions. Based on FEMA 154 and USGS/GSHAP data.

  Checkers & references · Safety & emergencies

• 💗 Pulse — Daily Emotional Check-in for the News

  Express how today news makes you feel, predict where the reference pulse lands, and find out tomorrow if you read the room right. Build your local streak.

  Checkers & references · News & media

• Past Date — Is it still safe to eat?

  Instant safety verdict for food past its printed date. Select food, label type, and days past for a clear USDA-sourced safe/caution/unsafe verdict.

  Checkers & references · Safety & emergencies

• Move Guard — Audit Your Moving Quote for Scam Red Flags in 30 Seconds

  Answer 8 yes/no questions about your specific moving quote and get a transparent 0-100 risk score with every red flag named and cited to FTC, EU, or Russian consumer-protection law.

  Checkers & references · Safety & emergencies

• Fair Markup — Instant Markup, Margin & Category Verdict

  Fair Markup helps sellers and shoppers instantly calculate markup %, margin %, and price multiplier, then benchmarks the result against real retail category norms. No signup, no tracking, all math runs in your browser.

  Checkers & references · Money & crypto

• Claim Check — Translate Food Labels into Legal Facts in 10 Seconds

  Search any food or supplement label claim and instantly see the legal definition, what it does not mean, and the common trap. With exact FDA, USDA, and EFSA regulation cites.

  Checkers & references · Law, rights & politics

• Ingredient Alert — Check Supplement Ingredients Against Health Authority Warnings

  Type any supplement ingredient name and instantly see if FDA, EMA, WHO, or other health authorities have flagged or banned it. Every warning links to the original advisory.

  Checkers & references · Health & body

• Heat Plan — Hour-by-Hour Heatwave Safety Schedule

  Generate a personalized, hour-by-hour heatwave safety plan with medication alerts and red-flag symptoms for elderly parents. Mapped to CDC, WHO, and NWS guidelines.

  Checkers & references · Safety & emergencies

• Go Bag — Personalized Emergency Kit Checklist

  A free go-bag checklist builder that calculates exact supply quantities based on your household size, ages, pets, medications, climate zone, and disaster risks. Every quantity is derived from published FEMA, Red Cross, and CDC guidelines.

  Checkers & references · Safety & emergencies

• Fridge Clock — Know What to Eat First After a Power Outage

  Enter how long your power was out and how full your fridge is. Get a personalized eat-first timeline based on USDA and FDA food safety rules. Shareable with your household.

  Checkers & references · Food & drink

• Food Safe — Instant Food Safety Verdicts for Leftovers

  Instant, source-backed food safety verdicts based on USDA, FDA, and CDC guidelines. Select your food and situation to get exact temperature and time limits.

  Checkers & references · Food & drink

• Flight Right — Know Your Exact Flight Rights in 30 Seconds

  A free reference tool for stranded passengers. Instantly see your legal rights, compensation amounts, and claim deadlines. Select your situation and jurisdiction.

  Checkers & references · Travel & transport

• First Five — Emergency Action Reference

  Know the right first moves in any emergency — without reading a manual. 14 types, sourced from FEMA, Red Cross, USGS, CDC.

  Checkers & references · Safety & emergencies

• Down Days — Get your device-specific download checklist before the internet goes out

  Down Days turns your devices, daily apps, household size, and expected outage duration into a prioritized, device-specific checklist of exactly what to download, cache, and configure before connectivity drops.

  Checkers & references · Everyday life

• Cross Check — Can You Cross That Crosswalk In Time?

  Cross Check is a pedestrian crossing calculator. Enter green-light duration, crossing distance, and your walking speed to get an instant verdict on whether you can cross safely.

  Checkers & references · Everyday life

• SafeDeposit — Is Your Money Safe in Your Country Banks?

  A country-specific reference for deposit insurance: insured limits, covered accounts, excluded accounts, capital-control status, and withdrawal rules — every line sourced from official central bank and IMF publications with verification dates.

  Checkers & references · Money & crypto

• Connect Time — Will your layover work?

  Enter your connection details — get the official minimum for your exact transfer type.

  Checkers & references · Work & productivity

• ☕ Last Call — Find the exact cutoff time for any caffeine source based on your bedtime

  Search any drink, food, or medication. Get a clock-time last call based on your bedtime and a peer-reviewed half-life model.

  Checkers & references · Food & drink

• Small Biz Cyber Check — Free CIS v8 Risk Assessment

  Free 90-second cyber risk self-assessment for small businesses. 12 yes/no questions mapped to CIS Critical Security Controls v8. Get a transparent 0-100 score with prioritized fix list. No signup, no sales call, no backend.

  Checkers & references · Safety & emergencies

• Boil Safe: Can I Shower, Brush Teeth, Cook During a Boil Water Advisory?

  Instant, CDC-sourced safe or unsafe verdicts for 15+ common activities during a boil water advisory. No articles to read. Pick an activity, get your answer in 2 seconds.

  Checkers & references · Safety & emergencies

• Allergies or Cold? 30-Second Symptom Check | Allergy or Cold

  Check only the symptoms you have right now. See a transparent scored split showing which of your symptoms point toward allergies vs a cold — in 30 seconds, not 30 questions. Criteria sourced from CDC and AAAAI guidance.

  Checkers & references · Health & body

• Aid Fast — First aid steps in 5 seconds, no ads

  See first aid steps in 5 seconds — no ads, no scrolling, no panic. Tap the emergency type and instantly see 3-5 clear steps in large text. Sourced from Red Cross, WHO, and AHA guidelines.

  Checkers & references · Safety & emergencies

• Pill Passport — Find Your Medicine's Name Abroad

  A free searchable reference mapping ~30 common OTC medicines to brand names across 25+ countries. Generate a personal trip card for your destination.

  Checkers & references · Words & language

• Waist Check — Instant Heart Risk Verdict

  Enter your waist and height to see your heart risk category instantly. Combining WHO absolute thresholds and waist-to-height ratio in one color-coded screen.

  Checkers & references · Safety & emergencies

• Rain Day — Is It Safe? Instant Rainfall Safety Verdicts

  Enter any rainfall amount in mm and instantly get safe, caution, or unsafe verdicts for commuting, school, walking, and driving. Backed by official meteorological thresholds.

  Checkers & references · Weather & climate

• Pack Check — Can I bring it on a plane? TSA verdict

  Type any item. Get a green, yellow, or red verdict for carry-on and checked bags in under a second. Sourced from TSA

  Checkers & references · Everyday life

• Red Flag Returns — Check any promised investment return against real benchmarks

  Enter an investment return someone pitched you. See where it sits on a ladder of real asset-class averages, whether it enters the SEC/CFTC red-flag zone, and which charged Ponzi scheme operated at exactly that level.

  Checkers & references · Money & crypto

• Still Proven? Check if your medical procedure is still backed by evidence

  Search 50+ common medical procedures and instantly see the current evidence verdict with a citable source and plain-language explanation.

  Checkers & references · Health & body

• False Friend — Check Lookalike Words Before You Speak

  A searchable reference for cross-linguistic false friends. See side-by-side comparisons of words that look familiar but mean something completely different, rated by danger level.

  Checkers & references · Words & language

• Lock Down — Audit & Lock Down Your Social Profiles Tonight

  A privacy audit tool that turns vague advice into a prioritized checklist. Select your platforms and get risk-ranked, exact settings to change tonight.

  Checkers & references · Safety & emergencies

• Stream Safe — Audit Your Video Background for Location Leaks

  Walk through 12 privacy risk categories in 5 minutes. See visual examples of each leak type. Get a personalized report with risk levels and specific fixes for your frame.

  Checkers & references · Safety & emergencies

• Eclipse Safe — Instant Safe/Unsafe Verdict for 20 Viewing Methods

  Tap your eclipse viewing method from a visual grid of 20 options. Get an instant color-coded SAFE / UNSAFE verdict with the specific eye risk named and the correct alternative. Built for the 10 minutes before peak.

  Checkers & references · Safety & emergencies

• Frame Right — See Where to Stand for Any Photo

  Frame Right is a visual reference for reluctant photographers. Pick the situation — portrait, full body, sunset, group, candid — and get a single glanceable diagram showing where to stand, phone height, subject placement, and light direction. No camera settings, no jargon.

  Checkers & references · Everyday life

• Visit Ready — Doctor Visit Checklist

  Visit Ready is a free, situation-specific interactive checklist for medical appointments. Pick your scenario, get prioritized questions, and jot answers during your visit.

  Checkers & references · Health & body

• Water Check 💧 Know if your water is safe in 10 seconds

  Instant water safety verdicts for any source and condition. CDC, EPA, WHO, and FEMA guidance in one matrix.

  Checkers & references · Safety & emergencies

• Range Check — See Where Your Lab Number Falls in 10 Seconds

  A free reference tool that instantly shows you a visual range bar with your lab value marked as a dot, so you know if you are inside or outside standard published ranges. No login, no reading.

  Checkers & references · Everyday life

• Screen Plan — Build a daily screen-time schedule that fits your family

  Screen Plan turns AAP and WHO age-based guidelines into a draggable daily timeline. Enter your child

  Checkers & references · Everyday life

• Flood Level Visualizer | See How Deep 475 cm or 6m Really Is

  Enter any water level from a flood news report in cm or meters and instantly see it visually compared to a person, a car, and a two-story house, with a plain-language safety verdict and official flood-stage label.

  Checkers & references · Weather & climate

• Plant Safe — Instant Cat & Dog Plant Toxicity Check

  Search any plant name or browse common houseplants by photo to see side-by-side cat and dog toxicity, severity level, specific symptoms, and the dated ASPCA source.

  Checkers & references · Safety & emergencies

• Tick Ready — Your Exact Tick-Prevention Checklist in 10 Seconds

  Get a 3-7 step tick-prevention checklist tailored to your outdoor activity, region, and household. Filtered from CDC guidelines. No signup required.

  Checkers & references · Everyday life

• My Flags — Check Your National Football & Olympic Team Eligibility | FIFA Rules

  My Flags is a free eligibility tool that applies FIFA Articles 5–9 and Olympic Charter Rule 41 to your birth, family, residency, and playing history. Answer 6 questions to see which national teams you may represent.

  Checkers & references · Sports & fitness

• Move List — The Complete International Relocation Checklist

  A free interactive relocation checklist with 38 items across 6 categories. Includes the 15 administrative items blogs forget. Saves progress in your browser. English, Russian, Spanish, Chinese.

  Checkers & references · Everyday life

• Read Fast — Daily Reading Speed Test with Comprehension

  A daily timed reading challenge that pairs your WPM with a 3-question comprehension check on a real public-domain passage. No skimming, no guessing — just your true reading speed, trackable daily.

  Checkers & references · Everyday life

• Income Check — Test any income claim in 30 seconds

  Enter any claimed monthly income, your available hours, and any upfront cost. Instantly see the implied hourly rate, break-even timeline, and how it compares to real wages in your country.

  Checkers & references · Money & crypto

• Cover Check — See What Your Insurance Doesn't Cover

  A free, ad-free reference tool that ranks insurance coverage gaps by claim-denial frequency using published state commissioner reports. Select your insurance type and jurisdiction to get a printable, cited checklist.

  Checkers & references · News & media

• Alert Key — Decode Any Emergency Alert in 10 Seconds

  A searchable reference for emergency alert terms across weather, earthquake, tsunami, wildfire, flood, and civil defense. See severity, meaning, and action steps side-by-side with official citations.

  Checkers & references · Safety & emergencies

• Animal Aid: Instant First-Aid Steps for Injured Animals

  A fast, multi-species first-aid reference for pets and wildlife emergencies. Tap the animal and situation to get prioritized steps and a clear vet urgency signal.

  Checkers & references · Safety & emergencies

• Forever Chem Check — PFAS Product Audit

  Check off everyday products you use, and get an evidence-grouped report showing which are documented PFAS sources per EPA and ATSDR, with one highest-impact swap for each high-evidence item.

  Checkers & references · Everyday life

• Screen Strain — 90-Second Digital Fatigue Test

  Answer 8 questions in 90 seconds to discover your dominant strain domain — visual, musculoskeletal, cognitive, or emotional — and get one evidence-based action. Zero reading required.

  Checkers & references · Everyday life