ContractReader

ContractReader displays and explains smart contract code with syntax highlighting, testnet support, and live on-chain values.

contractreader.io
ContractReader homepage screenshot

About ContractReader

ContractReader is a web tool for reading and understanding smart contracts. It displays contract code with syntax highlighting and shows live on-chain values alongside the code. Users can compare code in the browser and work with testnets.

The homepage lists support for Ethereum Mainnet, Sepolia, OP Mainnet, Polygon, Arbitrum One, BNB Smart Chain, and Base. The homepage does not describe what the code explanations cover or how they are produced, and it lists a "and more" set of features without naming them. Pricing is not stated, and the project is not open source.

Key features

  • Syntax highlighting for smart contract code
  • Testnet support, including Sepolia
  • Live on-chain values shown with contract code
  • In-browser code comparison
  • Supported networks: Mainnet, Sepolia, OP Mainnet, Polygon, Arbitrum One, BNB Smart Chain, Base
Best for: Developers and others who need to read and understand smart contract code and its live on-chain values.
Good for
  • Supports seven listed networks, including a testnet
  • Shows live on-chain values alongside contract code
  • Includes in-browser code comparison

ContractReader at a glance

Type
Online tool
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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ContractReader FAQ

Which networks does ContractReader support?
The homepage lists Mainnet, Sepolia, OP Mainnet, Polygon, Arbitrum One, BNB Smart Chain, and Base.
Does ContractReader show live on-chain values?
Yes. The homepage lists live onchain values as a feature.
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