No brand bias. No jargon. Just the specs that matter.
Don't let the shop decide for you.
Check the right numbers first.
From appliances, gadgets and kitchen gear to clothing, home essentials, health devices and vehicles — the right choice is hidden in the specs. knowbeforebuy explains what matters and builds a clear shopping brief for your needs, budget and everyday life.
Free. No sign-up. Answer a few questions and get a spec checklist matched to you.
Wrong AC, damp towel, slow phone — most bad buys happen because the important specs are hidden in jargon.
Tell me what I'm buying
Two taps and you land on the right spec guide — no scrolling through a giant list.
Step 1 — pick the kind of thing
Not on the list? Browse all guides or personalize your picks.
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.
Cars & two-wheelers
Sunroof dekh liya, NCAP rating dekhi kya?
Colour and EMI sell the vehicle. Safety, running cost and service keep it.
Clothing & everyday wear
Size chart dekhiye, S-M-L nahi.
Fabric, GSM and fit decide comfort — for every age, every season.
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.
Looking for a specific guide?
All 42 guides live in the “Guides” menu in the header — or browse the full list with specs and fit finders.