Premium SaaS Toolset — Free to Start

The Smartest Tools
for Modern Workflows

Convert currencies in real-time and generate branded QR codes. All in one elegant, fast, and privacy-respecting platform.

52
QR Codes Generated
30+
Currencies Supported
100%
Privacy First
0ms
Avg Load Time

Everything You Need

10+ powerful tools built for speed and simplicity — all in one app.

Live Currency Converter
Real-time rates from global API with offline localStorage caching and 1-hour TTL refresh.
Multi-Type QR Generator
Generate QR codes for Text, URLs, WiFi credentials, and vCard contacts with one click.
Password Generator
Generate cryptographically secure passwords with custom length, symbols, and strength meter.
Unit Converter
Convert between length, weight, temperature, area, speed, and data units instantly.
🎨
Color Picker & Converter
Pick colors visually, convert HEX ↔ RGB ↔ HSL, copy values, and preview palettes.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs — copy instantly.
Currency → QR Combo
Convert an amount and instantly generate a payment QR code — in one seamless flow.
Analytics Dashboard
Track your tool usage, conversion history, and session stats in a beautiful dashboard.
Dark / Light Mode
Full theme system with light mode by default. Switch to dark with one click — preference saved.
Embeddable Widget
Drop the smart-tools.js script into any page and self-render via a simple div tag.
Simple 3-Step Process

How It Works

Get up and running in seconds. No signup required to use the tools.

1

Choose Your Tool

Pick from 10+ built-in tools — Currency Converter, QR Generator, Password Generator, Unit Converter, Color Picker and more.

2

Enter Your Data

Fill in the simple fields. Results update in real-time as you type — live exchange rates, instant QR previews, strength meters.

3

Copy or Download

Download QR codes as high-res PNG, copy passwords and colors to clipboard, or save conversions to your history for later.

Loved By Users

What Our Users Say

Trusted by developers, designers, and businesses worldwide.

"Culpqc replaced 5 different apps for me. The WiFi QR generator alone saves me 10 minutes every week when onboarding clients."

AK
Aisha K.
UX Designer, Berlin

"The offline currency caching saved me during a trip abroad. Incredibly useful when you lose data service in another country."

MT
Marcus T.
Freelance Developer, Toronto

"I embed the widget on my clients' sites using smart-tools.js. It's literally a one-line drop-in and it looks absolutely premium."

SL
Sandra L.
Web Agency Owner, Sydney

"The password generator with real-time strength meter is fantastic. My whole dev team switched to it from LastPass's built-in generator."

DR
David R.
Lead Engineer, New York
Got Questions?

Frequently Asked Questions

Everything you need to know before getting started.

Yes! All 10+ tools are fully usable for free — no credit card, no signup required. Create a free account to unlock dashboard history tracking and monthly QR quota.
No account needed! All tools work instantly without registration. Create an account only if you want history tracking, the analytics dashboard, or a monthly QR quota.
Completely. All tool processing happens locally in your browser. QR content, passwords, and color values are never sent to any server. History is stored in your browser's localStorage only.
Four types: Plain Text, URL/Link, WiFi credentials (WPA/WPA2/WEP), and Contact vCard 3.0. All support custom foreground/background colors, optional logo overlay, and 3 export sizes (128px, 256px, 512px).
Yes! Include smart-tools.js on your page and add <div id="smart-tools"></div> anywhere in your HTML. The widget auto-renders and is completely self-contained with zero conflicts.
Rates are fetched from the ExchangeRate-API which updates every hour. Results are cached locally for 1 hour to reduce API calls. If offline, the last cached rates are used automatically as a fallback.
Absolutely. Cancel anytime with no questions asked and no penalty. Your data remains accessible and all tools continue working on the free tier.

Smart Tools

Currency converter and QR generator — all in one place.

Currency Converter
Live rates · 30+ currencies · Offline cache
Generate Payment QR from this conversion
QR Code Generator
Text · URL · WiFi · Contact vCard
Hidden Network
Enter data above to generate QR
Branding Options
#6C63FF
#FFFFFF
Drop image here or click to upload

More Tools

Password generator, unit converter, color picker & lorem ipsum — all client-side.

Password Generator
Secure · Customizable · Strength Meter
Strength—
Unit Converter
Length · Weight · Temp · Speed · Data
→
—
Color Picker
HEX ↔ RGB ↔ HSL — Copy instantly
Quick Palette
Lorem Ipsum Generator
Words · Sentences · Paragraphs
0 words

History

All your conversions, QR codes, passwords, and more

📂 Loading history…
💎 Simple, Transparent Pricing

Choose Your Plan

Start free. Upgrade when you need more power.

Free
For individuals getting started
$0
forever
  • ✓ Up to 10 QR Codes / month
  • ✓ Currency Converter (30+ currencies)
  • ✓ Basic QR types (Text, URL)
  • ✓ PNG Download
  • ✕ WiFi & vCard QR
  • ✕ Custom Branding / Logo
  • ✕ Analytics Dashboard
  • ✕ Priority API Updates
POPULAR
Pro
For power users and freelancers
$9
per month, billed monthly
  • ✓ 100 QR Codes / month
  • ✓ Currency Converter (all currencies)
  • ✓ All QR Types (WiFi, vCard, etc.)
  • ✓ Custom Colors & Logo Overlay
  • ✓ Full Analytics Dashboard
  • ✓ History (unlimited)
  • ✓ Priority API Updates
  • ✕ White-label / Embed
Business
For teams and agencies
$29
per month, billed monthly
  • ✓ Unlimited QR Codes
  • ✓ Everything in Pro
  • ✓ White-label Embeddable Widget
  • ✓ API Access + Webhooks
  • ✓ Team Members (up to 10)
  • ✓ Custom Domain QR Links
  • ✓ SLA & Dedicated Support
  • ✓ Advanced Analytics
Got Questions?

Frequently Asked Questions

Everything you need to know about our pricing plans.

Yes! No credit card required. Use up to 10 QR codes/month and full currency conversion forever.
Absolutely. Cancel your subscription at any time with no questions asked.
All data stays in your browser (localStorage). We never send QR content or history to our servers.
Free: 10 QR/month, basic types. Pro: 100 QR/month, all types, logo overlay. Business: unlimited QR, API access, white-label, team members.
Yes! Switch plans instantly. Your billing will be adjusted proportionally, and there are no penalties.
We're launching annual billing soon with 20% discount. Stay tuned!

Welcome back, User

Free Member since —
QR Codes Generated
0
↑ +3 this week
Currency Conversions
0
↑ +5 this week
Active Sessions
0
↑ This session active
Total API Calls
0
↑ All time
QR Usage — This Week Last 7 days
Monthly Quota
QR Codes Used 0%
0 / 10
My Saved QR Codes
Type Data Color Created
No QR codes yet. Create one!
View Full History →