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npm · #4764 most downloaded on npm
Fast, lightweight JSON Schema validator for Node.js and browsers — full support for draft-04, draft-06, draft-07, draft-2019-09, and draft-2020-12 (latest)
Last release 17 days ago
17 Sep 2026
Ships fairly regularly
a new release about every 3 weeks
Nearly every release is documented
notes for 58 of the last 60 stable releases
7 versions withdrawn
withdrawn after publishing
13 years old
164 releases · first in 2013
implement breakOnFirstError option to stop validation after first error
breakOnFirstError option to stop validation after first erroradditionalProperties handlingfix errors in browserify and uglify settings
One column per quarter.
fix bug in validating remote schemas
### Bug Fixes * fix #66
make error paths reported for missing references consistent
### Bug Fixes * fix #63
### Bug Fixes * fix #63 (additional fixes) ### Documentation * update README
report string error paths as JSON Pointer format
reportPathAsArray option for array-based path segments### Bug Fixes * fix #58
### Miscellaneous Chores * version bump
do not include request in browser test bundle
request in browser test bundletype first as it is the most common failing keywordComplete rewrite of z-schema with new options API.
noEmptyStrings, noTypeless, forceItems, forceMaxLength, forceProperties, ignoreUnresolvableReferences, noExtraKeywords, noEmptyArrays.formatNothing published for this version
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