Buy on knowledge, not on vibes
You don't need to be an expert.
You need the right five numbers.
Nobody explains why a 2-ton AC ruins a small bedroom, or why an 800 GSM towel never dries in a humid bathroom. knowbeforebuy decodes the spec sheet and turns your situation into a shopping brief.
Search by product or by the spec that confused you — GSM, ISEER, ANC, OLED, RPM.
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- specs decoded
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Air conditioner
1.5 ton or 2 ton?
Depends on square feet, floor, and sun direction — not on the salesperson's mood.
Bath towel
Why is it still damp?
Because 700 GSM in a humid bathroom never dries. You wanted 450–550.
Laptop
Is 8 GB enough?
Only if there's a free memory slot. Soldered 8 GB is a three-year machine.
Shop by category
All guides →Written for Indian homes — our heat, our humidity, our hard water, our service networks.
Home appliances
Sale ka discount nahi, bijli ka bill dekhiye.
The sticker price is one summer. The electricity bill is ten.
Electronics & gadgets
108MP camera, 5000mAh… par chipset kaunsa hai?
Big numbers sell phones. Small print decides how long they last.
Home textiles
Soft feels great in the shop. GSM decides after 30 washes.
Fabric shops sell touch. Numbers tell you what survives an Indian laundry cycle.
Furniture & sleep
You spend 8 hours a day on it. Spend 10 minutes understanding it.
Firmness is a feeling. Density and core type are facts.
Skin & body care
SPF 50 pe mat ruko — PA+++ aur re-application matter karta hai.
Ingredients lists are ranked. Learn to read the first five lines.
Home medical devices
A cheap BP monitor doesn't save money. It gives you wrong numbers.
Clinically validated or not — that single line changes everything.
Want this narrowed down to you?
Tell us your budget, how you live, and what you care about — we'll rank the guides and the spec terms worth checking first.
Guides
View all →Home appliances
Air Conditioner
Tonnage, inverter, ISEER — decoded in plain language.
7 specs · 4-question fit finder →
Home textiles
Bath Towel
GSM, cotton type and weave decide whether it dries you or smears water.
6 specs · 3-question fit finder →
Electronics
Laptop
The specs that actually change your day: RAM, panel, battery, thermals.
7 specs · 3-question fit finder →
Home appliances
Washing Machine
Front vs top load, RPM, and the numbers behind your water bill.
6 specs · 3-question fit finder →
Furniture
Mattress
Firmness, density and foam type — matched to how you sleep.
6 specs · 4-question fit finder →
Home appliances
Ceiling Fan
Air delivery and sweep beat blade count and looks.
5 specs · 3-question fit finder →
Home appliances
Refrigerator
Litres, door type, cooling tech and the number on your bill.
6 specs · 3-question fit finder →
Electronics
Smartphone
Chip, panel, battery and update policy — the four that decide how long it lasts.
7 specs · 3-question fit finder →
Electronics
Headphones & Earbuds
Driver, codec, ANC and fit — what actually changes how they sound.
7 specs · 3-question fit finder →
Electronics
Television
Panel type, real brightness, refresh rate and ports — past the 4K sticker.
7 specs · 3-question fit finder →
Personal care
Skin Care
SPF, actives, and ingredient order — what the label actually means.
7 specs · 4-question fit finder →
Health
Home Medical Devices
BP monitors, oximeters, thermometers and nebulizers — accuracy first.
7 specs · 3-question fit finder →