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Hexana

lastmod 2026-07-15created 2026-07-152 edits

JetBrains' WebAssembly and binary analysis tool

About

  • Supports structure analysis/editing/execution/debugging of .wasm files; provided as a JetBrains plugin and a VS Code extension
  • The two products share a single Kotlin Multiplatform core and support Core Wasm/Component Model/GC/SIMD/Threads, etc.
  • Browses import/export/function/type/custom sections and analyzes size profiling/unused code/monomorphisation
  • The JetBrains plugin provides editable WAT/WIT and WASM/ELF Structure tool windows
    • Supports Java code completion for GraalWasm/Chicory and JavaScript/TypeScript type inference for WebAssembly.instantiate
    • Can also inspect Parquet/Arrow IPC/Protocol Buffers and .class/.jar/.war/.apk/.jit files
  • The VS Code extension provides a virtual-scrolling Hex viewer and 11 structure analysis tabs, and also works in Cursor/VSCodium
    • Provides a Protocol Buffers descriptor set viewer and script-based custom analysis tabs
    • Detects and resolves dependencies of Component Model files; the MCP server is downloaded separately and run when needed
  • Both products support the MCP server and execution on Wasmtime/WAMR/GraalVM/wazero
  • ELF/Mach-O/PE analysis and breakpoint debugging are currently provided as experimental features
  • The JetBrains plugin suits deep editing/code integration; the VS Code extension suits lightweight .wasm inspection

See also

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