All Developer Tools
A complete directory of our free utilities. Generate, format, and secure your data instantly.
Barcode6
Standardized 1D and 2D barcode generators for retail, logistics, and inventory management.
QR Code15
Collection of professional QR Code Generators and technical utilities.
URL / Link
Direct to website
Text
Display plain text
Pre-filled email
Phone
Direct call
SMS
Send text message
Use the Facebook tool.
Use the Instagram tool.
Twitter / X
Use the Twitter / X tool.
YouTube
Use the YouTube tool.
Use the LinkedIn tool.
Use the WhatsApp tool.
Wi-Fi
Connect to network
V-Card
Contact details
Event
Calendar entry
Location
Map coordinates
JSON1
Collection of professional JSON Generators and technical utilities.
UUID5
High-entropy unique identifier generators complying with RFC 9562 standards.
Password9
Secure, browser-based entropy generators for creating unhackable credentials.
Calculator32
Precision financial, health, and unit conversion calculators built on academic formulas.
Mortgage
Monthly payments & amortization
Loan
Personal & auto loans
Compound Interest
Investment growth
Simple Interest
Basic interest calc
Investment (ROI)
Return on investment
Retirement
401k & IRA planning
Savings
Goal planning
SIP
Systematic investment planning
Salary / Income Tax
Net income & tax math
Sales Tax
Tax calculation
Tip
Service gratuity
BMI
Body Mass Index
BMR
Basal Metabolic Rate
Calorie
Daily calorie needs
Body Fat
Body fat percentage
Ideal Weight
Target weight
Pregnancy
Due date estimate
Scientific
Advanced functions
Percentage
Percent calculations
Fraction
Fraction operations
Average
Mean, median, mode
Ratio
Ratio & proportion
Length
m, ft, in, km, mi
Weight
kg, lb, oz, g
Temperature
°C, °F, K
Area
m², ft², acre
Volume
L, gal, ml, cup
Currency
Exchange rates & theory
Age
Calculate age
Date Difference
Days between dates
Time
Time arithmetic
Business Days
Workday calculator
Complete Tool Directory
Browse all available tools organized by category