Tools & Playgrounds

Experiment with TOON format interactively using these tools for token comparison, format conversion, and validation.

Playgrounds

Official Playground

The TOON Playground lets you convert JSON to TOON in real-time, compare token counts, and share your experiments via URL.

Community Playgrounds

CLI Tool

The official TOON CLI provides command-line conversion, token statistics, and all encoding/decoding features. See the CLI reference for full documentation.

npx @toon-format/cli input.json --stats -o output.toon

Editor Support

VS Code

TOON Language Support - Syntax highlighting, validation, conversion, and token analysis.

Install from the VS Code Marketplace or via command line:

code --install-extension vishalraut.vscode-toon

Tree-sitter Grammar

tree-sitter-toon - Grammar for Tree-sitter-compatible editors (Neovim, Helix, Emacs, Zed).

Neovim

toon.nvim - Lua-based plugin for Neovim.

Other Editors

Use YAML syntax highlighting as a close approximation. Most editors allow associating .toon files with YAML language mode.

Databases

ToonStore

ToonStore - Redis-compatible embedded database (Rust) that stores data in TOON format.

Web APIs

If you're building web applications that work with TOON, you can use the TypeScript library in the browser:

import { decode, encode } from '@toon-format/toon'

// Works in browsers, Node.js, Deno, and Bun
const toon = encode(data)
const data = decode(toon)

See the API Reference for details.

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