Disclosure
This disclosure covers how the site is funded: no advertising, no affiliate links, and no sponsored mentions anywhere on it.
Effective 1 August 2026. Last updated .
The short version
This site carries no advertising, no affiliate links, and no sponsored content. No one has paid for a mention anywhere on it. It is funded out of pocket by the individual who runs json-yaml.com, because a converter that does not upload your files ought to exist.
We publish this page anyway, because "there is nothing to disclose" is only meaningful if you say it plainly and commit to updating it when it stops being true.
Advertising
There are no ad networks on this site. No ad scripts are loaded, which is also why there are no advertising cookies and no consent banner. Nothing on any page is a paid placement.
If we ever introduce advertising, we will say so here first, ads will be visually distinct from the content, and the privacy policy will be updated to describe exactly what the ad provider collects — before a single ad is served.
Affiliate links
There are no affiliate links on this site. Every outbound link is there because it is the right place to send you, and we earn nothing if you follow it.
If that ever changes, affiliate links will be labelled at the point of the link, not only here, and we will not let a commission decide what we recommend.
Editorial independence
The documentation recommends specific tools — jq, yq, Prettier, PyYAML, ruamel.yaml, yamllint, and others. We have no commercial relationship with any of them and receive nothing for naming them. They are recommended because they are what we would use.
We also routinely tell you to leave this site: several pages explain how to do the same conversion locally from the command line, which is better for batches and for anything automated. A site funded by page views would not do that. This one has no reason not to.
Where a tool has a real drawback, we say so. Where a conversion loses data, we say so on the page offering the conversion rather than hiding it in a footnote.
Software we use
YAML parsing is handled by js-yaml, an open-source library under the MIT licence, which we host on this domain rather than loading from a third-party CDN. We are not affiliated with its authors and have no financial relationship with them. JSON parsing uses your browser's built-in parser. The CSV, XML, and TOML handling was written for this site.
We do not monetise your data
There is no data to monetise. Documents you convert never leave your browser, we run no analytics, and we set no cookies. We do not sell, rent, or share personal information with anyone, and we never will — see the privacy policy for the detail, including the short list of things we do receive, such as 30-day server logs.
How the content is produced
The written material on this site was drafted with the help of an AI assistant and is reviewed, edited, and published by the operator of json-yaml.com, who is responsible for all of it. We would rather say that plainly than let you assume otherwise.
What that does not change is the checking. Every technical claim here was verified against the actual tools before publication: the parser behaviours described were reproduced, the code examples were run, and the converters are covered by an automated test suite that asserts the specific behaviours the documentation promises — that quoted numbers survive, that key order is preserved, that CSV leading zeros are not eaten. Where a claim could not be verified, it was cut rather than softened.
None of it is copied from another site. The text is checked for duplication against every other page here and against the boilerplate that policy generators and template packs emit, because near-identical pages are both worse to read and worse for search.
Errors are still possible, and a confident tone is not evidence of correctness. If you find something wrong, tell us at contact@json-yaml.com: we will fix it and the page's updated date will change.
Questions or concerns
If you think something on this site reads like an undisclosed promotion, or you spot a link that looks commercial, please tell us at contact@json-yaml.com. We would rather hear about it and correct it.