Color Utils
Color pickers, converters, palette generators, and color space tools. Convert between RGB, HEX, HSL, and more — all in your browser.
CMYK to RGB
Convert between CMYK and RGB color models with live preview and hex codes.
Color Name Lookup
Look up the nearest named CSS color for any hex value, or search by name to get hex, RGB, and HSL values instantly.
Color Picker
Pick colors, convert between HEX, RGB, HSL formats. View color harmonies, check contrast, and copy values instantly.
Blindness Simulator
Simulate how images and color palettes appear to people with color vision deficiencies.
RGB Colors
Free RGB color reference table with common color names, RGB values, and hex codes. Quick lookup for web designers and developers.
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- ABI Encoder / Decoder
- Block Estimator
- Calldata Cost
- CREATE2 Address
- ENS Availability
- ENS Cost Estimator
- ENS Lookup
- ENS Namehash
- ENS Record Viewer
- ENS Subname Explorer
- ERC-20 Unit Converter
- Gas Estimator
- HD Wallet Derivation
- Merkle Tree Visualizer
- 4-Byte Selector Lookup
- Solidity Storage Layout
- Transaction Decoder
- Vanity Address Estimator
- Wallet Address Validator
- Wei/Gwei/Ether Converter
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- API Response
- ASCII Table
- Code Bug Detector
- Code Explanation
- CSS Beautifier
- Env Parser
- GraphQL Query
- Syntax Highlight
- HTML Beautifier
- JS Beautifier
- JSON Formatter
- JSONPath
- JWT Decoder
- JS keyCodes
- API Lorem Ipsum
- RegExp
- Regex Library
- Semver Compare
- SQL Beautifier
- TOML Formatter
- Code Unminifier
- XML Beautifier
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- Amortization
- Break-Even
- Compound Interest
- Crypto Profit/Loss
- Debt Payoff
- Discount
- Effective Interest
- Emergency Fund
- Inflation Calculator
- Simple Interest
- Invoice Calculator
- IRR Calculator
- Mortgage
- NPV Calculator
- Portfolio
- Profit Margin
- Rent vs Buy
- Retirement Calc
- ROI Calculator
- Salary vs Hourly
- Savings Goal
- Tax Calculator
- VAT
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- Equation Solver
- Exponent Calculator
- Factorial Calculator
- Fibonacci Sequence
- Fraction Calculator
- Fraction Simplifier
- GCD Calculator
- GCD/LCM
- Least Common Multiple (LCM) Calculator
- Logarithm Calculator
- Magic Square
- Matrix Calculator
- Number Base Converter
- Pascal's Triangle
- PDE Solver
- Prime Checker
- Prime Factorization
- Roman Numbers
- Scientific Notation
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- Broken Link Checker
- Canonical URL Checker
- Core Web Vitals Checker
- Favicon
- Heading Structure
- Keyword Density
- Meta Tags
- Mobile-Friendly Test
- Open Graph Tags
- Page Load Time Analyzer
- Redirect Checker
- robots.txt
- Schema Markup
- SEO Optimized Checklist
- XML Sitemap
- Time on Page Tracker
- Page Title & Desc.
- Twitter Card Generator
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- Acceleration
- Substance Amount
- Angle
- Area
- Astronomical
- Base Converter
- Capacitance
- Electric Charge
- Data Transfer
- Data Storage
- Density
- Energy Converter
- Force Converter
- Frequency Converter
- Fuel Economy
- Illuminance
- Inductance
- Length / Distance
- Power
- Pressure
- Electrical Resistance
- Time
- Speed
- Temperature
- Viscosity
- Volume
- Weight
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