6 free tools · No sign-up · 100% private

Your everyday tech, finally figured out.

Got a problem with your phone, charger, WiFi or screen habits? Chances are the answer is already here. TechFineHub turns confusing device problems into a simple 0–100 score with clear, practical fixes — no heavy scans, no jargon, no expert needed.

Explore the toolkit How it works
6Free smart tools
0–100Easy health scores
90sAverage time per tool
Illustration of a phone, charger, WiFi router and camera with a health score gauge Battery healthy WiFi score 92
No sign-up needed Private by design Works on any device Built for non-techies
Sound familiar?

The problem you're searching for — we've already built the fix

You don't need expensive gadgets or a repair shop to understand what's wrong. Just answer a few simple questions and get a clear answer in seconds.

🔋

"Is my charger hurting my battery?"

Slow charging, a hot plug or a frayed cable can quietly damage your phone. Find out in 90 seconds.

Check my charger
📶

"Why is my WiFi so slow?"

Constant buffering, dropouts and reboots have causes you can actually fix. Get your router's health score.

Score my WiFi
🧠

"Am I on my phone too much?"

Screen time, eye strain and poor sleep add up. See your digital-wellness score — great for parents too.

Check my habits
The toolkit

6 free tools for the problems people actually have

Each tool gives you an instant 0–100 score and a short list of fixes you can act on today. Pick the one that matches your problem.

Diagnostic

Charger Health Analyzer

Run a 5-parameter diagnostic on your phone charger — thermal, voltage, cable, PMIC & efficiency — and get an instant health score with fixes.

Run diagnostic Score

WiFi Router Health Score

Answer 6 quick questions to get a 0–100 WiFi router health score with practical fixes for slow speed, weak signal and disconnections.

Check score Test

Phone Camera Health Test

A 5-parameter camera health test that scores sharpness, focus, low-light and stabilisation (0–100) and tells you what to fix.

Test camera Score

Screen Time Health Checker

Check how screen time, eye strain and sleep habits affect you — a 0–100 wellness score with simple fixes for students, adults & parents.

Check score Calculator

Mobile Data Usage Calculator

Set your daily YouTube, WhatsApp, TikTok & gaming habits to see your monthly GB — and the best plan across 40+ carriers worldwide.

Calculate data Calculator

Phone Resale Value Calculator

Enter brand, age, condition & scratch level to get an instant estimated resale price range — know a fair price before you buy or sell.

Estimate value
See the full toolkit
How it works

Three simple steps to your answer

No installs, no scans, no confusion. If you can answer a few questions, you can use every tool here.

1

Pick your tool

Choose the tool that matches your problem — charger, WiFi, camera, screen time, data or resale value.

2

Answer a few questions

Tap through a short, guided set of simple questions. It takes about 90 seconds and works on any device.

3

Get your score & fixes

See your instant 0–100 score with a clear explanation and practical steps you can act on right away.

Why TechFineHub

Made for people who like to fix things themselves

We designed every tool for curious, everyday users — not engineers. Clear language, honest results, zero pressure.

Private by design

No accounts, no logins, no heavy scanning. Your answers stay with you.

Instant results

Get a clear score and recommendations in under two minutes — no waiting.

Honest & useful

Results grounded in real engineering and wellness principles, explained simply.

For everyone

Friendly enough for students and parents, useful enough for power users.

From the blog

Guides that go deeper

Want to understand the "why" behind your score? Our guides break down each topic in plain English.

Charging

7 charging habits that secretly kill your battery

Small daily habits add up. Here's what to stop doing — and what to do instead.

Read guide
WiFi

Why your WiFi is slow (and 9 fixes that actually work)

From router placement to channels — a simple checklist to get your speed back.

Read guide
Wellness

A realistic guide to healthier screen time

No guilt, no extremes — practical habits for you and your kids that actually stick.

Read guide
Visit the blog
FAQ

Questions, answered

Everything you might wonder before using TechFineHub.

Are these tools really free?+
Yes — every tool on TechFineHub is 100% free with no sign-up, no credit card and no hidden upsell. You get your full result and fixes instantly.
Do you need to install anything?+
No. Everything runs right in your browser on any phone, tablet or computer. There's nothing to download and nothing to update.
Is my data private?+
Completely. The tools work on your device using the answers you provide — we don't run heavy scans, and we don't need access to your accounts, files or personal data.
Who are these tools for?+
Everyday people who like to understand and fix their own devices — students, parents, professionals and anyone curious about their phone, charger, WiFi or screen habits. No technical knowledge required.
How accurate are the scores?+
Each score reflects the information you provide, mapped against widely-accepted engineering and wellness principles. The more honestly you answer, the more useful and accurate your result and recommendations.

Ready to figure out your tech?

Pick a tool, answer a few questions, and get your score with clear fixes — free, private and in under two minutes.

Explore all 6 tools