Skip to main content
Security & testing

Loop Decoder

Debugging & inspection

Visit website (opens in a new tab)Loop Decoder on X (opens in a new tab)Loop Decoder on GitHub (opens in a new tab)

See next

recursive calldata decoder

About Loop Decoder

Loop Decoder is a TypeScript library that decodes EVM transactions, logs, traces and calldata into structured data, fetching ABIs from Etherscan, Sourcify and other sources. An optional, experimental interpreter turns the decoded data into readable actions.

Tags

  • Transaction decoding
  • ABI encoding
  • SDK

Repository3loop

Package@3loop

Info

Type
Debugging & inspection
Weekly downloads
86

Similar tools

Semgrep (smart-contracts rules)

Semgrep (smart-contracts rules)

Semgrep is a pattern-based static analysis tool with rulesets for Solidity vulnerabilities. Builders run those rules over a codebase to catch known vulnerable patterns and style issues before review.

heimdall-rs

heimdall-rs is a Rust EVM toolkit that disassembles bytecode, decompiles contracts, generates control flow graphs, and decodes calldata and traces. Builders reach for it when they need to understand a contract that has no published source.

sol2uml

sol2uml generates UML class and storage-layout diagrams from Solidity source or from verified contracts. Builders run it to see contract relationships and how state variables are packed into storage.