How to Turn JSON into YAML on Windows
JSON is the data format behind web APIs and JavaScript apps: records made of named fields that can sit inside one another.. Paste it or drop the file below for tidy YAML right away – no Python, no terminal, and your data stays on your Windows PC.
Converted on your device. Your data never leaves your browser.
The steps: Turn JSON into YAML on Windows
- 1
Open this page in Edge, Chrome or Firefox on your PC.
- 2
Paste your JSON into the box, or drag the file from File Explorer onto the box above, or click the box to browse to it.
- 3
The YAML shows up while you type, or as soon as the file has loaded.
- 4
Copy it, or click Download. The file is saved in your Downloads folder (File Explorer › Downloads).
How your JSON is converted
- Objects turn into indented key: value blocks and arrays into – lists, the same style Docker Compose, Kubernetes and GitHub Actions files use.
- Values YAML would misinterpret (such as yes, no or 1.0) are quoted automatically.
JSON and YAML in brief
- JSON is the data format behind web APIs and JavaScript apps: records made of named fields that can sit inside one another.
- YAML is a config format designed for people to read and edit – Docker Compose, Kubernetes and GitHub Actions all use it – and it relies on indentation rather than brackets and quotes.
Windows PC tips
- Because nothing gets installed, it works on office and school PCs where you aren't allowed to add software.
JSON vs YAML
| JSON | YAML | |
|---|---|---|
| Compression | Plain text | Plain text |
| Ideal for | APIs, apps and settings files | Config files edited by hand |
| Works on | Every programming language | Most languages and DevOps tools |
Questions & answers
Do I have to code to turn JSON into YAML?
No. Paste or drop the file and the converted version appears instantly – no scripts, packages or command line.
What size of file can it cope with?
Files of several megabytes are converted in a moment. There's no set limit; only your device's memory matters.
Do my files get sent anywhere?
No. Your browser does the conversion with your device's own processor, so your files stay with you. Once the page has loaded you could even switch off your internet connection.
Need more options? Open the full JSON to YAML tool →