Best JSON Tools in 2026
Updated
In short: jq is ranked #1 of 29 as of 4 October 2026, ahead of Dadroit JSON Viewer and BracketView. The best-ranked option with a free plan is Dadroit JSON Viewer. The lowest first paid tier on this page is BracketView at $0.19/mo.
JSON tools can help with tasks such as formatting, querying, comparing data, and checking it against a schema. Compare batch processing, jq and JSONPath querying, JSON diff and compare, and schema validation to focus on the operations you need. Available platforms, free-plan status, and paid-from pricing add practical context. BracketView and jsonfmt.dev lead the entries, followed by JSON Crack, JSONLint, JSONZen, JSON Editor Online, jq, and JSON Formatter. Consider which JSON tasks recur in your work, then weigh the relevant capabilities alongside platform availability and cost.
29 JSON tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
8 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | jqWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | Free | 6.7 | |
| 2 | Dadroit JSON ViewerWeb · Windows · Mac · Linux | Three bars | — | 4 of 6 | $8.17/mo | 6.6 | |
| 3 | BracketViewWeb · Windows · Linux | Three bars | — | 3 of 6 | $0.19/mo | 6.5 | |
| 4 | jsonfmt.devWeb · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 5 | JSONZenWeb · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 6 | JSON FormatterWeb | Two bars | — | 1 of 6 | Free | 6.3 | |
| 7 | JSONLintWeb · Mac · Extension | One bar | — | — | 2 of 6 | — | 5.4 |
| 8 | gronWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 9 | JSON Editor OnlineWeb | One bar | — | — | 1 of 6 | — | 5.3 |
| 10 | gojqWindows · Mac · Linux · Self-hosted | One bar | — | — | 3 of 6 | — | 5.2 |
| 11 | jaqWindows · Mac · Linux · Self-hosted · API | Two bars | — | 3 of 6 | Free | 5.2 | |
| 12 | jlessMac · Linux | No signal | — | — | 2 of 6 | — | 5.2 |
| 13 | JSON CrackWeb · Extension | One bar | — | 1 of 6 | Free | 5.2 | |
| 14 | JSON EditorWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 15 | JSON ReaderWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 16 | JSONBuddyWindows | No signal | — | — | 1 of 6 | — | 5.2 |
| 17 | onDevTools JSON FormatterWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 18 | PerfectJSONWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 19 | POLPROG JSON FormatterWeb | One bar | — | — | 1 of 6 | — | 5.2 |
| 20 | AjvWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 21 | European Commission JSON ValidatorWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 22 | JSON CompareWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 23 | JSON FormsWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 24 | JSON HeroWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 25 | JSON OSWeb | No signal | — | — | 1 of 6 | — | 5.1 |
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 Freedom251?
jq is ranked #1 of 29 with a score of 6.7. Dadroit JSON Viewer is second and BracketView third.
How many of these have a free plan?
8 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.