JSON Formatter
Beautify, minify & validate
Base64
Encode & decode text
UUID Generator
v4 UUIDs, one click copy
Regex Tester
Live pattern matching
JWT Decoder
Decode token payloads
Timestamp
Unix ↔ human date
Color Converter
HEX ↔ RGB ↔ HSL
Text Diff
Compare two text blocks
Hash Generator
SHA-256, SHA-1, SHA-512
URL Encode
Encode & decode URLs
Lorem Ipsum
Generate placeholder text
Password Generator
Secure random passwords
QR Code
Generate QR codes
Markdown Preview
Live markdown rendering
Cron Parser
Explain cron expressions
Git Cheat Sheet
Searchable command reference
HTTP Status Codes
Complete code reference
ASCII Table
Character code lookup
Compound Interest
Watch your money grow
50/30/20 Budget
Needs, wants, savings
Net Worth
Assets minus liabilities
Paycheck
Estimate take-home pay
Mortgage
Monthly payment calculator
Savings Goal
How much to save monthly
Debt Payoff
Payoff time & interest
Hourly ↔ Salary
Convert pay rates
Percentage
Quick percentage math
TDEE Calculator
Daily calorie needs
Macros
Protein, carbs & fat
BMI
Body mass index
Water Intake
Daily hydration goal
One-Rep Max
Estimate your 1RM
Body Fat %
Navy method estimate
Caffeine Tracker
When will it wear off?
Sleep Cycles
Best time to fall asleep