Solidity Smart Contract Beautifier and Formatter

Transform any Solidity smart contract into clean, readable format with our free online Solidity beautifier for Ethereum development

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What is Solidity Formatter?
Solidity Formatter is a specialized tool designed to format and beautify Solidity smart contracts for Ethereum and other EVM-compatible blockchains. Solidity is the primary programming language for writing smart contracts, decentralized applications (dApps), and blockchain protocols.
Our Solidity formatter ensures your smart contracts follow consistent coding standards and best practices, making them more readable, auditable, and maintainable for blockchain development teams and security auditors.
Key Benefits:
  • Smart Contract Structure: Proper formatting for contracts, interfaces, libraries, and abstract contracts
  • Function Organization: Clean formatting for functions, modifiers, events, and state variables
  • Gas Optimization: Readable code structure that helps identify potential gas optimizations
  • Security Auditing: Well-formatted code is easier to audit for security vulnerabilities
  • EVM Compatibility: Works with all Ethereum Virtual Machine compatible networks
Perfect for blockchain developers, smart contract engineers, DeFi protocol developers, and security auditors working with Ethereum and Web3 technologies.
How to Use Solidity Formatter
  1. Paste Contract Code: Copy your Solidity smart contract code into the input area
  2. Configure Options: Adjust formatting settings for indentation and bracket spacing
  3. Format Contract: Click "Format Solidity" to beautify your smart contract code
  4. Deploy or Audit: Use the formatted code for deployment or security review
Solidity Elements:
  • Pragma Directives: Version specifications and compiler settings
  • Contract Declarations: Contract, interface, and library definitions
  • State Variables: Storage variables and their visibility modifiers
  • Functions: Public, private, internal, and external function definitions
  • Modifiers: Custom modifiers for access control and validation
  • Events: Event declarations for blockchain logging
Smart Contract Development
Properly formatted Solidity code is essential for smart contract development, as it improves readability during security audits and helps prevent costly bugs in deployed contracts.
Blockchain Integration:
  • Ethereum Mainnet: Deploy formatted contracts to Ethereum blockchain
  • Layer 2 Solutions: Compatible with Polygon, Arbitrum, Optimism, and other L2s
  • Testnets: Use for testing on Goerli, Sepolia, and other test networks
  • Development Tools: Works with Hardhat, Truffle, Foundry, and Remix IDE
  • Token Standards: Format ERC-20, ERC-721, ERC-1155, and other token contracts
Our formatter helps maintain professional code quality standards required for production smart contracts and decentralized finance (DeFi) protocols.