Ajv
5.9#18 in json toolsFree planFree planWebSelf-hosted
VisitAjv vs jaq
What both publish
| Fact | Ajv | jaq |
|---|---|---|
| License | The project is distributed under the MIT License, which permits use, copying, modification, distribution, sublicensing, and sale subject to its terms. | The project repository identifies jaq as MIT-licensed. |
| Performance | Ajv generates optimized validation functions, and its documented model compiles schemas once for repeated validation. | The project publishes benchmarks comparing jaq with jq and gojq, and reports jaq as faster on many benchmarks. |
| Security | Ajv warns that schemas from untrusted sources can create performance and security risks and recommends limiting schema size and depth. | The project says jaq is memory-safe and does not let input data or filters initiate I/O, except that filters may read files before execution. |
Ajv plans
- AjvFree
jaq plans
- jaqFree
- jaq open-source releaseFree
Pick Ajv if…
It suits developers validating JSON in Node.js, browsers, Electron, WeChat mini-apps, or self-hosted applications. TypeScript users can use compiled validators as type guards.
Pick jaq if…
jaq suits developers and data users who work with jq filters and need a command-line tool or Rust library. Its support for several formats may suit workflows that transform data beyond JSON.