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Package · npm

ajv

npm · v8.20.0 · MIT

Another JSON Schema Validator

Tentative categories were assigned with moderate confidence (0.5 to 0.75): they are shown, but they do not count toward a category’s momentum. How categories work

Install

npm install ajv

Adoption

Downloads (30 days)
1.5B
Observeddownloads / 30 days
Popularity
Top 1% on npm
Derived100th percentile within npm
Dependents
20.7K
Observedpackages that depend on it
Maintenance
0.64
DerivedRelease cadence and recency, 0 to 1
Releases per year
33
359 versions over its life

Growth by period

Derived by Crest of Tech from two observations of npm’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.

7 days
−9.6% · 7d
Derived−157.1M downloads / 30 days, OCT 17 → OCT 24
30 days
−1.2% · 30d
Derived−18.6M downloads / 30 days, SEP 24 → OCT 24
90 days
+5.7% · 90d
Derived+80.6M downloads / 30 days, JUL 27 → OCT 24
1 year
+119.8% · 1y
Derived+808.3M downloads / 30 days, OCT 27 → OCT 24

Adoption historydownloads / 30 days · 130 observations

OCT 20, 2025: 650,022,227 downloads / 30 daysOCT 27, 2025: 674,698,399 downloads / 30 daysNOV 3, 2025: 680,613,760 downloads / 30 daysNOV 10, 2025: 686,916,589 downloads / 30 daysNOV 17, 2025: 692,061,222 downloads / 30 daysNOV 24, 2025: 690,283,393 downloads / 30 daysDEC 1, 2025: 699,248,550 downloads / 30 daysDEC 8, 2025: 716,944,832 downloads / 30 daysDEC 15, 2025: 726,015,701 downloads / 30 daysDEC 22, 2025: 714,590,779 downloads / 30 daysDEC 29, 2025: 643,282,490 downloads / 30 daysJAN 5, 2026: 580,110,529 downloads / 30 daysJAN 12, 2026: 580,018,769 downloads / 30 daysJAN 19, 2026: 621,464,105 downloads / 30 daysJAN 26, 2026: 722,635,921 downloads / 30 daysFEB 2, 2026: 834,553,390 downloads / 30 daysFEB 9, 2026: 892,708,696 downloads / 30 daysFEB 16, 2026: 898,991,502 downloads / 30 daysFEB 23, 2026: 909,040,283 downloads / 30 daysMAR 2, 2026: 948,325,523 downloads / 30 daysMAR 9, 2026: 982,232,948 downloads / 30 daysMAR 16, 2026: 1,035,941,303 downloads / 30 daysMAR 23, 2026: 1,109,772,750 downloads / 30 daysMAR 30, 2026: 1,137,453,518 downloads / 30 daysAPR 6, 2026: 1,115,551,031 downloads / 30 daysAPR 13, 2026: 1,112,564,003 downloads / 30 daysAPR 20, 2026: 1,103,441,027 downloads / 30 daysAPR 27, 2026: 1,116,415,131 downloads / 30 daysMAY 4, 2026: 1,149,296,522 downloads / 30 daysMAY 11, 2026: 1,200,388,922 downloads / 30 daysMAY 18, 2026: 1,239,445,287 downloads / 30 daysMAY 25, 2026: 1,259,669,274 downloads / 30 daysJUN 1, 2026: 1,269,469,202 downloads / 30 daysJUN 8, 2026: 1,230,978,664 downloads / 30 daysJUN 15, 2026: 1,249,227,217 downloads / 30 daysJUN 22, 2026: 1,276,794,123 downloads / 30 daysJUN 29, 2026: 1,305,821,100 downloads / 30 daysJUL 6, 2026: 1,367,004,206 downloads / 30 daysJUL 13, 2026: 1,358,133,645 downloads / 30 daysJUL 20, 2026: 1,371,214,274 downloads / 30 daysJUL 27, 2026: 1,402,405,515 downloads / 30 daysJUL 28, 2026: 1,440,519,045 downloads / 30 daysJUL 29, 2026: 1,447,635,958 downloads / 30 daysJUL 30, 2026: 1,455,226,842 downloads / 30 daysJUL 31, 2026: 1,455,843,948 downloads / 30 daysAUG 1, 2026: 1,430,493,376 downloads / 30 daysAUG 2, 2026: 1,415,426,476 downloads / 30 daysAUG 3, 2026: 1,452,773,650 downloads / 30 daysAUG 4, 2026: 1,494,447,878 downloads / 30 daysAUG 5, 2026: 1,504,559,065 downloads / 30 daysAUG 6, 2026: 1,500,909,341 downloads / 30 daysAUG 7, 2026: 1,501,468,433 downloads / 30 daysAUG 8, 2026: 1,474,917,023 downloads / 30 daysAUG 9, 2026: 1,452,858,591 downloads / 30 daysAUG 10, 2026: 1,488,289,546 downloads / 30 daysAUG 11, 2026: 1,552,729,202 downloads / 30 daysAUG 12, 2026: 1,558,613,768 downloads / 30 daysAUG 13, 2026: 1,562,464,844 downloads / 30 daysAUG 14, 2026: 1,504,769,305 downloads / 30 daysAUG 15, 2026: 1,477,349,993 downloads / 30 daysAUG 16, 2026: 1,455,002,810 downloads / 30 daysAUG 17, 2026: 1,485,112,054 downloads / 30 daysAUG 18, 2026: 1,523,547,430 downloads / 30 daysAUG 19, 2026: 1,531,263,043 downloads / 30 daysAUG 20, 2026: 1,533,407,572 downloads / 30 daysAUG 21, 2026: 1,528,987,207 downloads / 30 daysAUG 22, 2026: 1,498,405,207 downloads / 30 daysAUG 23, 2026: 1,474,576,764 downloads / 30 daysAUG 24, 2026: 1,510,202,718 downloads / 30 daysAUG 25, 2026: 1,548,746,706 downloads / 30 daysAUG 26, 2026: 1,552,841,953 downloads / 30 daysAUG 27, 2026: 1,554,721,469 downloads / 30 daysAUG 28, 2026: 1,549,629,787 downloads / 30 daysAUG 29, 2026: 1,516,078,828 downloads / 30 daysAUG 30, 2026: 1,490,425,962 downloads / 30 daysAUG 31, 2026: 1,521,323,302 downloads / 30 daysSEP 1, 2026: 1,560,999,793 downloads / 30 daysSEP 2, 2026: 1,571,523,380 downloads / 30 daysSEP 3, 2026: 1,505,820,887 downloads / 30 daysSEP 4, 2026: 1,502,984,867 downloads / 30 daysSEP 5, 2026: 1,482,182,453 downloads / 30 daysSEP 6, 2026: 1,456,639,373 downloads / 30 daysSEP 7, 2026: 1,426,692,887 downloads / 30 daysSEP 8, 2026: 1,396,444,860 downloads / 30 daysSEP 9, 2026: 1,405,639,076 downloads / 30 daysSEP 10, 2026: 1,411,497,364 downloads / 30 daysSEP 11, 2026: 1,410,468,251 downloads / 30 daysSEP 12, 2026: 1,379,338,162 downloads / 30 daysSEP 13, 2026: 1,413,529,804 downloads / 30 daysSEP 14, 2026: 1,453,308,184 downloads / 30 daysSEP 15, 2026: 1,422,863,231 downloads / 30 daysSEP 16, 2026: 1,435,397,009 downloads / 30 daysSEP 17, 2026: 1,438,870,757 downloads / 30 daysSEP 18, 2026: 1,439,119,198 downloads / 30 daysSEP 19, 2026: 1,416,577,385 downloads / 30 daysSEP 20, 2026: 1,400,146,822 downloads / 30 daysSEP 21, 2026: 1,439,748,749 downloads / 30 daysSEP 22, 2026: 1,481,410,291 downloads / 30 daysSEP 23, 2026: 1,493,113,379 downloads / 30 daysSEP 24, 2026: 1,501,575,905 downloads / 30 daysSEP 25, 2026: 1,504,024,138 downloads / 30 daysSEP 26, 2026: 1,475,453,216 downloads / 30 daysSEP 27, 2026: 1,455,917,100 downloads / 30 daysSEP 28, 2026: 1,504,637,714 downloads / 30 daysSEP 29, 2026: 1,554,256,162 downloads / 30 daysSEP 30, 2026: 1,573,679,481 downloads / 30 daysOCT 1, 2026: 1,586,840,190 downloads / 30 daysOCT 2, 2026: 1,586,095,687 downloads / 30 daysOCT 3, 2026: 1,626,681,633 downloads / 30 daysOCT 4, 2026: 1,605,141,369 downloads / 30 daysOCT 5, 2026: 1,605,141,369 downloads / 30 daysOCT 6, 2026: 1,613,956,189 downloads / 30 daysOCT 7, 2026: 1,694,032,989 downloads / 30 daysOCT 8, 2026: 1,775,981,433 downloads / 30 daysOCT 9, 2026: 1,778,210,272 downloads / 30 daysOCT 10, 2026: 1,748,714,970 downloads / 30 daysOCT 11, 2026: 1,726,330,501 downloads / 30 daysOCT 12, 2026: 1,766,907,403 downloads / 30 daysOCT 13, 2026: 1,732,715,761 downloads / 30 daysOCT 14, 2026: 1,662,314,020 downloads / 30 daysOCT 15, 2026: 1,662,314,020 downloads / 30 daysOCT 16, 2026: 1,668,126,673 downloads / 30 daysOCT 17, 2026: 1,640,087,246 downloads / 30 daysOCT 18, 2026: 1,617,934,954 downloads / 30 daysOCT 19, 2026: 1,576,616,306 downloads / 30 daysOCT 20, 2026: 1,535,307,966 downloads / 30 daysOCT 21, 2026: 1,465,467,953 downloads / 30 daysOCT 22, 2026: 1,483,024,794 downloads / 30 daysOCT 23, 2026: 1,408,016,013 downloads / 30 daysOCT 24, 2026: 1,483,024,794 downloads / 30 days
Table of observations (135)
Daydownloads / 30 daysDependents
OCT 24, 20261,483,024,79420,687
OCT 23, 20261,408,016,013Not observed
OCT 22, 20261,483,024,794Not observed
OCT 21, 20261,465,467,953Not observed
OCT 20, 20261,535,307,966Not observed
OCT 19, 20261,576,616,306Not observed
OCT 18, 20261,617,934,954Not observed
OCT 17, 20261,640,087,246Not observed
OCT 16, 20261,668,126,673Not observed
OCT 15, 20261,662,314,020Not observed
OCT 14, 20261,662,314,020Not observed
OCT 13, 20261,732,715,761Not observed
OCT 12, 20261,766,907,403Not observed
OCT 11, 20261,726,330,501Not observed
OCT 10, 20261,748,714,970Not observed
OCT 9, 20261,778,210,272Not observed
OCT 8, 20261,775,981,433Not observed
OCT 7, 20261,694,032,989Not observed
OCT 6, 20261,613,956,189Not observed
OCT 5, 20261,605,141,36920,069
OCT 4, 20261,605,141,369Not observed
OCT 3, 20261,626,681,633Not observed
OCT 2, 20261,586,095,687Not observed
OCT 1, 20261,586,840,190Not observed
SEP 30, 20261,573,679,481Not observed
SEP 29, 20261,554,256,162Not observed
SEP 28, 20261,504,637,714Not observed
SEP 27, 20261,455,917,100Not observed
SEP 26, 20261,475,453,216Not observed
SEP 25, 20261,504,024,138Not observed
SEP 24, 20261,501,575,905Not observed
SEP 23, 20261,493,113,379Not observed
SEP 22, 20261,481,410,291Not observed
SEP 21, 20261,439,748,749Not observed
SEP 20, 20261,400,146,822Not observed
SEP 19, 20261,416,577,385Not observed
SEP 18, 20261,439,119,198Not observed
SEP 17, 20261,438,870,757Not observed
SEP 16, 20261,435,397,009Not observed
SEP 15, 20261,422,863,231Not observed
SEP 14, 20261,453,308,184Not observed
SEP 13, 20261,413,529,804Not observed
SEP 12, 20261,379,338,162Not observed
SEP 11, 20261,410,468,251Not observed
SEP 10, 20261,411,497,364Not observed
SEP 9, 20261,405,639,076Not observed
SEP 8, 20261,396,444,860Not observed
SEP 7, 20261,426,692,887Not observed
SEP 6, 20261,456,639,373Not observed
SEP 5, 20261,482,182,453Not observed
SEP 4, 20261,502,984,867Not observed
SEP 3, 20261,505,820,887Not observed
SEP 2, 20261,571,523,380Not observed
SEP 1, 20261,560,999,793Not observed
AUG 31, 20261,521,323,302Not observed
AUG 30, 20261,490,425,962Not observed
AUG 29, 20261,516,078,828Not observed
AUG 28, 20261,549,629,787Not observed
AUG 27, 20261,554,721,469Not observed
AUG 26, 20261,552,841,953Not observed
AUG 25, 20261,548,746,706Not observed
AUG 24, 20261,510,202,718Not observed
AUG 23, 20261,474,576,764Not observed
AUG 22, 20261,498,405,207Not observed
AUG 21, 20261,528,987,207Not observed
AUG 20, 20261,533,407,572Not observed
AUG 19, 20261,531,263,043Not observed
AUG 18, 20261,523,547,430Not observed
AUG 17, 20261,485,112,054Not observed
AUG 16, 20261,455,002,810Not observed
AUG 15, 20261,477,349,993Not observed
AUG 14, 20261,504,769,305Not observed
AUG 13, 20261,562,464,844Not observed
AUG 12, 20261,558,613,768Not observed
AUG 11, 20261,552,729,202Not observed
AUG 10, 20261,488,289,546Not observed
AUG 9, 20261,452,858,591Not observed
AUG 8, 20261,474,917,023Not observed
AUG 7, 20261,501,468,433Not observed
AUG 6, 20261,500,909,341Not observed
AUG 5, 20261,504,559,065Not observed
AUG 4, 20261,494,447,878Not observed
AUG 3, 20261,452,773,650Not observed
AUG 2, 20261,415,426,476Not observed
AUG 1, 20261,430,493,376Not observed
JUL 31, 20261,455,843,948Not observed
JUL 30, 20261,455,226,842Not observed
JUL 29, 20261,447,635,958Not observed
JUL 28, 20261,440,519,045Not observed
JUL 27, 20261,402,405,515Not observed
JUL 20, 20261,371,214,274Not observed
JUL 13, 20261,358,133,645Not observed
JUL 6, 20261,367,004,206Not observed
JUN 29, 20261,305,821,100Not observed
JUN 22, 20261,276,794,123Not observed
JUN 15, 20261,249,227,217Not observed
JUN 8, 20261,230,978,664Not observed
JUN 1, 20261,269,469,202Not observed
MAY 25, 20261,259,669,274Not observed
MAY 18, 20261,239,445,287Not observed
MAY 11, 20261,200,388,922Not observed
MAY 4, 20261,149,296,522Not observed
APR 27, 20261,116,415,131Not observed
APR 20, 20261,103,441,027Not observed
APR 13, 20261,112,564,003Not observed
APR 6, 20261,115,551,031Not observed
MAR 30, 20261,137,453,518Not observed
MAR 23, 20261,109,772,750Not observed
MAR 16, 20261,035,941,303Not observed
MAR 9, 2026982,232,948Not observed
MAR 2, 2026948,325,523Not observed
FEB 23, 2026909,040,283Not observed
FEB 16, 2026898,991,502Not observed
FEB 9, 2026892,708,696Not observed
FEB 2, 2026834,553,390Not observed
JAN 26, 2026722,635,921Not observed
JAN 19, 2026621,464,105Not observed
JAN 12, 2026580,018,769Not observed
JAN 5, 2026580,110,529Not observed
DEC 29, 2025643,282,490Not observed
DEC 22, 2025714,590,779Not observed
DEC 15, 2025726,015,701Not observed
DEC 8, 2025716,944,832Not observed
DEC 1, 2025699,248,550Not observed
NOV 24, 2025690,283,393Not observed
NOV 17, 2025692,061,222Not observed
NOV 10, 2025686,916,589Not observed
NOV 3, 2025680,613,760Not observed
OCT 27, 2025674,698,399Not observed
OCT 20, 2025650,022,227Not observed
OCT 13, 2025Not observedNot observed
OCT 6, 2025Not observedNot observed
SEP 29, 2025Not observedNot observed
SEP 22, 2025Not observedNot observed
SEP 19, 2025Not observedNot observed

Facts from the registry

Latest version
v8.20.0
359 versions
First published
MAY 29, 2015
Last release
APR 24, 2026
6mo ago
Licence
MIT
Links
npm page
Homepage · ajv.js.org
Source · github.com

Repository

In the Crest catalog

ajv-validator/ajv

The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)

Stars
14.8K
Forks
1K
Language
TypeScript
Last push
47d ago
Last release
6mo ago

Linked by the package’s own registry metadata.GitHub

Dependencies latest version · v8.20.0

Runtime 4

  • fast-deep-equal^3.1.3
  • fast-uri^3.0.1
  • json-schema-traverse^1.0.0
  • require-from-string^2.0.2

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