Convert YAML to CSV
Quickly convert a YAML file to a CSV file. Runs entirely in your browser, so your data never leaves your device.
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Output
The result appears here as you type.
How to use Convert YAML to CSV
- 1. Paste the YAML list. Provide a YAML sequence of mappings in the input pane, the shape produced by most config exports. The keys across all items are collected into a shared column set for the table.
- 2. Pick the header behavior. Keep Header row enabled to write those collected keys as the first CSV line. Disable it if the destination file already carries its own header and you just need the data lines.
- 3. Copy the table. Copy the output and open it in a spreadsheet or feed it to a CSV-consuming script. Items that lack a particular key produce an empty cell, so ragged YAML still yields aligned columns.
When to use Convert YAML to CSV
Convert YAML to CSV flattens config-style lists into rows you can sort and filter. Inventories, docker-compose fragments and front-matter collections hold tabular facts in YAML form, which is fine for machines but clumsy for review. When someone needs the same data in Excel or a quick report, this does the reshaping.
- Auditing an Ansible inventory. Your hosts file lists dozens of machines as YAML mappings. Flatten it to CSV, open it in Sheets, and sort by region to check that every environment has the expected number of nodes.
- Reporting on Kubernetes values files. Helm values contain a YAML list of services with cpu and memory settings. Converting it to CSV gives the capacity-planning spreadsheet a clean import instead of screenshots of the repo.
- Tabulating blog front matter. You collected the front-matter blocks from a static site into one YAML list. As CSV you can scan titles, dates and tags in columns and spot posts missing a description.
Examples
Convert a list of mappings
Input
- name: Ada age: 36 - name: Grace age: 45
Output
name,age Ada,36 Grace,45
About the Convert YAML to CSV tool
Convert YAML to CSV does its work locally, right in the browser. Quickly convert a YAML file to a CSV file. There is no upload step, no queue and no account, and your data never travels over the network.
It belongs to the CSV Tools collection on EditSafely, a set of 133 small, focused CSV utilities that share the same instant, private workspace.
You can shape the output with the Header row setting, and the result refreshes the moment you change it. A worked example further down the page shows exactly what the tool produces for a real input.
Running locally also makes the tool fast and dependable: results appear as you type or drop a file, there is no server outage that can take it down mid-task, and confidential data can be processed without a second thought.
Frequently asked questions
Is Convert YAML to CSV free to use?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Is it safe to paste sensitive or confidential data?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
How much text can I process at once?
There is no fixed limit. Because the work happens on your own device rather than on a shared server, the practical ceiling is your machine's memory, which comfortably handles inputs far larger than typical online tools allow.
Do I need to sign up or install anything?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.