CSV to YAML Converter
Convert CSV to YAML online, free and instantly. Runs entirely in your browser — nothing is uploaded, and there is no file size limit.
Input
Output
Ready
Drop a file to load it
About this tool
Convert CSV into YAML in a single step. CSV is the lowest common denominator for spreadsheets and data exports; YAML is the configuration format used by Kubernetes, CI pipelines and Docker Compose. The converter is structure-aware rather than a text substitution, so nesting, types and ordering are preserved.
When you would use it
- Turning CSV output into a config file a pipeline can read
- Migrating a dataset from CSV to YAML
- Inspecting CSV in a shape that is easier to read
Worked example
id,name,active,score 4815,Ada Lovelace,true,91.5 1623,Grace Hopper,false,88.0
- id: 4815 name: Ada Lovelace active: true score: 91.5 - id: 1623 name: Grace Hopper active: false score: 88
Things worth knowing
- Each row becomes a mapping in a top-level sequence, with types inferred from the cell contents.
Questions
Frequently asked
Is CSV to YAML conversion lossless?
Yes for structure and values. Comments are dropped, since they are not data. Converting back gives you an equivalent document.
Why convert CSV to YAML?
CSV is the lowest common denominator for spreadsheets and data exports, while YAML is the configuration format used by Kubernetes, CI pipelines and Docker Compose. Converting is usually about handing data to a tool that only speaks one of them — a Kubernetes manifest or CI pipeline, for instance.
Is my data uploaded anywhere?
No. Every tool on JSONWorks runs entirely in your browser using JavaScript. Your input is never sent to a server, never logged and never stored. The simplest proof is to disconnect from the internet — the tools keep working. The site does load Google Fonts and a Google Analytics page-view tag, so you will see those two requests in your network tab, but neither receives anything you type or paste.
Related