dotdiff is an MIT-licensed command-line tool and Python package for comparing JSON, YAML, TOML, and NDJSON semantically. It produces structured, agent-friendly change lists instead of line-oriented diffs for developers and automation workflows.
In the CLI tools & terminal space, dotdiff takes a focused approach. It focuses on comparing structured data files without relying on noisy line-by-line diffs. It is built as an open-source project for developers. dotdiff is open source under the MIT license. It ships for the command line, and it can be self-hosted.
Behind dotdiff is rvben, and it first shipped in 2026. Development happens publicly on GitHub with 7 commits in the last 90 days. Key capabilities include JSON diffing, YAML diffing, and TOML diffing.
Summary written by a language model from the project’s public pages.
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