Morpheus

Browser tool to transform JSON, YAML, CSV, TOML, and XML with sandboxed JavaScript — optional Gemini-assisted code generation.

Open sourceSole author·2025· Live — screenshot pending polish

NuxtCodeMirrorWeb WorkerGemini

Live site Repository

Overview

Morpheus (formerly DataMunger) is a browser-based data transformer. Paste structured data, write a sandboxed JavaScript transform, and convert between JSON, YAML, CSV, TOML, and XML. Optional Gemini code generation helps sketch transforms; execution runs in a Web Worker.

My role

Sole author and maintainer (MIT).

Stack

Nuxt 4, Nuxt UI 4, CodeMirror 6, Vitest
Parsers: js-yaml, PapaParse, @iarna/toml, fast-xml-parser
Google Gemini for optional codegen; ssr: false for the editor surface

Outcomes

Live at morpheus.tailz.dev; 68 Vitest tests
Created Oct 2025 from mid-2025 concept work

Card image is a placeholder while I polish the UI for a proper screenshot.

Screenshots

Morpheus placeholder

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