What this tool does
Exchange configurations that can be represented as JSON data. Validation runs before conversion; YAML comments and styles are not preserved.
When to use it
Use JSON ↔ YAML converter when you need the specific operation described here and can check the result against your own source. Keep the original and work on a copy.
Steps
- Choose the direction and paste the document.
- Process and review any type or precision incompatibility.
- Copy or download the result and check its meaning before use.
Worked example
Input: JSON with a [1,2] list and name José.
Expected result: YAML contains the same list and Unicode text.
Common mistakes
- 100,000 characters, 64 levels and 20,000 nodes. Aliases, tags and duplicate/reserved keys are rejected.
- Unsafe numbers, non-finite values and types without a JSON equivalent are not silently converted.
If an error appears, reduce the input or correct the specified field. Do not treat an unsuccessful operation as a valid result. Repeat the example with synthetic data to separate an input problem from a tool problem.
Limitations and privacy
Inputs are processed in your browser. Visiting the site downloads its resources, but the tool does not upload the document or text. Results are not automatically stored. Check downloaded files before using them in a workflow.
Do not paste production secrets on an untrusted device. Local processing does not replace validation in the destination application.
Frequently asked questions
Does this change the original?
No. Keep the source and explicitly download or copy the result you want to retain.
What should I check before using the output?
YAML contains the same list and Unicode text. 100,000 characters, 64 levels and 20,000 nodes. Aliases, tags and duplicate/reserved keys are rejected.