Best JSON Tools in 2026
Updated
In short: jidoujisho is ranked #1 of 29 as of 4 October 2026, ahead of jq and BracketView. The best-ranked option with a free plan is jq. The lowest first paid tier on this page is BracketView at $0.19/mo.
JSON tasks range from validating syntax to querying data, comparing changes, and checking structure. Compared on batch processing, jq and JSONPath querying, JSON diff and compare, and schema validation, these tools can be reviewed against the work you need to do. Available platforms, free-plan availability, and paid-from pricing add practical points to consider. BracketView and jsonfmt.dev lead the ranking, followed by JSONLint and JSONZen; JSON Crack and JSON Editor Online are also among the first entries, as are jq and JSON Formatter. Use the order as a starting point, then weigh the listed capabilities and platform details against your JSON workflow.
29 JSON tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 jidoujisho Android only RecognisedPhone appDocumentedFree plan 6.4
- 2 jq No phone app RecognisedPhone appDocumentedFree plan 6.4Free Schema validation: Yesjq querying: Yes
- 3 BracketView No phone app RecognisedPhone appDocumentedFree plan 6.3$0.19/mo Schema validation: YesJSONPath querying: Yesjq querying: Yes
- 4 Dadroit JSON Viewer No phone app RecognisedPhone appDocumentedFree plan 6.3$8.17/mo Schema validation: NoJSONPath querying: Yesjq querying: No
- 5 jsonfmt.dev No phone app RecognisedPhone appDocumentedFree plan 6.3Free Schema validation: YesJSONPath querying: Yesjq querying: No
- 6 JSONZen No phone app RecognisedPhone appDocumentedFree plan 6.3Free Schema validation: YesJSONPath querying: Yesjq querying: Yes
- 7 JSON Formatter No phone app RecognisedPhone appDocumentedFree plan 6.2Free Schema validation: YesJSONPath querying: Yes
- 8 JSONLint No phone app RecognisedPhone appDocumentedFree plan 5.7 Schema validation: YesJSONPath querying: Yes
- 9 JSON Editor Online No phone app RecognisedPhone appDocumentedFree plan 5.6 Schema validation: YesJSONPath querying: Nojq querying: No
- 10 JSON Editor No phone app RecognisedPhone appDocumentedFree plan 5.4 Schema validation: YesJSONPath querying: Nojq querying: No
- 11 PerfectJSON No phone app RecognisedPhone appDocumentedFree plan 5.4 Schema validation: YesJSONPath querying: Nojq querying: No
- 12 POLPROG JSON Formatter No phone app RecognisedPhone appDocumentedFree plan 5.4 Schema validation: NoJSONPath querying: Nojq querying: No
- 13 JSON Crack No phone app RecognisedPhone appDocumentedFree plan 5.3Free Schema validation: YesJSONPath querying: Yesjq querying: Yes
- 14 JSON Reader No phone app RecognisedPhone appDocumentedFree plan 5.3 Schema validation: YesJSONPath querying: Yes
- 15 JSONBuddy No phone app RecognisedPhone appDocumentedFree plan 5.3 Schema validation: Yes
- 16 onDevTools JSON Formatter No phone app RecognisedPhone appDocumentedFree plan 5.3 Schema validation: YesJSONPath querying: Yes
- 17 Ajv No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: Yes
- 18 European Commission JSON Validator No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: Yes
- 19 gron No phone app RecognisedPhone appDocumentedFree plan 5.2
- 20 jless No phone app RecognisedPhone appDocumentedFree plan 5.2 jq querying: No
- 21 JSON Compare No phone app RecognisedPhone appDocumentedFree plan 5.2
- 22 JSON Forms No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: Yes
- 23 JSON Hero No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: Yes
- 24 JSON OS No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: Yes
- 25 JSONEditor.io No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: Yes
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which JSON tool is ranked first on Samsung Mobile US Press?
jidoujisho is ranked #1 of 29 with a score of 6.4. jq is second and BracketView third.
How many of these have a free plan?
7 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, BracketView has the lowest first paid tier we found: $0.19/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.