JSONLint
Primary-source editorial review ·
An online utility for validating and formatting JSON.
Visit the source websiteWhen to consider it
Useful for checking the syntax of a non-sensitive example before using it in a data workflow.
Check before choosing
Valid JSON syntax does not establish that values or schemas are correct; avoid pasting confidential data.
Source and scope of review
The summary is based on the linked provider, project or institution page. Selection notes are our editorial guidance. We have not independently tested performance, every feature, account eligibility or current pricing. Check the source for changes after the review date.