Dasel (Data-Select) is a command-line tool and Go library for querying, modifying, and transforming structured data across JSON, YAML, TOML, XML, CSV, HCL, and INI formats using a unified selector syntax. It supports format conversion between all supported types.
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---
name: "Dasel Multi-Format Data Selector and Modifier"
slug: "dasel-multi-format-data-selector-modifier"
description: "Dasel (Data-Select) is a command-line tool and Go library for querying, modifying, and transforming structured data across JSON, YAML, TOML, XML, CSV, HCL, and INI formats using a unified selector syntax. It supports format conversion between all supported types."
github_stars: 7892
verification: "security_reviewed"
source: "https://github.com/TomWright/dasel"
category: "Data Extraction & Transformation"
framework: "Claude Code"
tool_ecosystem:
github_repo: "TomWright/dasel"
github_stars: 7892
---
# Dasel Multi-Format Data Selector and Modifier
Dasel (Data-Select) is a command-line tool and Go library for querying, modifying, and transforming structured data across JSON, YAML, TOML, XML, CSV, HCL, and INI formats using a unified selector syntax. It supports format conversion between all supported types.
## Installation
Use the upstream install or setup path that matches your environment:
- brew install dasel
- go install github.com/tomwright/dasel/v3/cmd/dasel@master
Basic usage or getting-started notes:
- ### Homebrew (macOS/Linux)
- sh
- ### Go Install
- Source: https://github.com/TomWright/dasel
- Extracted from upstream docs: https://raw.githubusercontent.com/TomWright/dasel/HEAD/README.md
## Source
- [Agent Skill Exchange](https://agentskillexchange.com/skills/dasel-multi-format-data-selector-modifier/)
