Package
ajv
Another JSON Schema Validator
Key numbers
As of 25 Sept 2026
- Weekly downloads
- 287.9m
- +107% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 4
- Direct, from package.json
- Last release
- 5 months ago
- v8.20.0
- GitHub stars
- 14.8k
- 1k forks
- Open issues / PRs
- 292 / 89
- Contributors
- 212
- Commits, last 52 weeks
- 8
Downloads
Last week 2026-09-15 to 2026-09-21
287,892,010 downloads last week, 1,331,257,345 in the last month. The 12-month change of +107% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 4315 in total
- Latest version
- 8.20.0, 24 Apr 20265 months ago
- First published
- 29 May 2015
- Last push to GitHub
- 6 Sept 202618 days before the snapshot
- Repository archived
- No
- Open issues
- 292
- Open pull requests
- 89
- Commits, last 52 weeks
- 8
- Dependents on npm
- 19,693
Major versions
- v8 first release 8.0.0, 27 Mar 2021
- v7 first release 7.0.0, 15 Dec 2020
- v6 first release 6.0.0, 7 Jan 2018
- v5 first release 5.0.0, 17 Apr 2017
- v4 first release 4.0.0, 15 Apr 2016
- v3 first release 3.0.0, 27 Dec 2015
- v2 first release 2.0.0, 22 Nov 2015
- v1 first release 1.0.0, 17 Aug 2015
- v0 first release 0.0.4, 29 May 2015
Recent releases
| Version | Published |
|---|---|
| 8.20.0 | 24 Apr 2026 |
| 6.15.0 | 23 Apr 2026 |
| 6.14.0 | 20 Feb 2026 |
| 8.18.0 | 14 Feb 2026 |
| 8.17.1 | 12 Jul 2024 |
| 8.16.0 | 4 Jun 2024 |
| 8.15.0 | 3 Jun 2024 |
| 8.14.0 | 25 May 2024 |
| 8.13.0 | 29 Apr 2024 |
| 8.12.0 | 3 Jan 2023 |
| 8.11.2 | 13 Nov 2022 |
| 8.11.1 | 13 Nov 2022 |
| 8.11.0 | 22 Mar 2022 |
| 8.10.0 | 4 Feb 2022 |
- Module format
- CommonJSFrom package.json type, main and exports fields
- TypeScript types
- Bundled
- Node.js engine range
- Not declared
- Runtimes
- -
- Unpacked size (npm)
- 1009 kB
- Dependencies (4)
fast-urifast-deep-equalrequire-from-stringjson-schema-traverse
npm install ajvCDN
jsDelivr: 19.5m requests in 30 days
- jsDelivr
https://cdn.jsdelivr.net/npm/ajv@8.20.0/ - unpkg
https://unpkg.com/ajv@8.20.0/ - esm.sh
https://esm.sh/ajv@8.20.0
| Package | Weekly downloads | Gzip | Last release | Module | Comparison |
|---|---|---|---|---|---|
| @redocly/ajv | 6.8m | - | 5 months ago | CommonJS | - |
| @exodus/schemasafe | 3.3m | - | 3 years ago | CommonJS | - |
| jsonschema | 4.2m | - | 1 year ago | CommonJS | - |
| @apidevtools/json-schema-ref-parser | 12.7m | - | 4 days ago | ESM only | - |
| @cfworker/json-schema | 5.8m | - | 1 year ago | ESM + CommonJS | - |
Indexability: Indexed.