Unit Converter
Convert temperature, length, weight and data units instantly.
Temperature
Enter a value above…
Length
Enter a value above…
Weight / Mass
Enter a value above…
Data Storage
Enter a value above…
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Currency Converter
Live exchange rates updated daily via open API. 30+ currencies.
Convert currency
Amount
From
To
Loading rates…
Quick reference — 1 USD equals
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QR Code Generator
Generate QR codes for URLs, text, Wi-Fi, email or phone. Download as PNG.
QR code type
URL
Size
Error correction
Enter content above to generate QR code
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Image Resizer
Resize images by pixels or percentage. Download instantly. No upload to server — runs in your browser.
Upload image
🖼️
Click or drag & drop an image here
JPG, PNG, GIF, WebP — processed locally
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Color Converter
Convert between HEX, RGB, HSL and RGBA instantly.
HEX ↔ RGB ↔ HSL — pick or type
or RGB:
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Password Generator
Generate cryptographically secure passwords. Check strength.
Generate a secure password
Length: 16 characters
Password strength checker
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Text Tools
Transform text, count words and characters, clean up formatting.
Text transformer + word counter
Result will appear here…
0
Words
0
Characters
0
Lines
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Free Online Calculators
Percentage, VAT, BMI — instant results, no signup.
Percentage calculator
What % is
of
Result…
VAT calculator
Amount
VAT rate
—
VAT amount
—
Total incl. VAT
BMI calculator
Height (cm)
Weight (kg)
Enter height and weight…
BMI is a screening tool — consult a healthcare professional for advice.
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Encode / Decode
Base64 and URL encoding / decoding in one click.
Base64 encoder / decoder
Result…
URL encoder / decoder
Result…
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