17.6
JSONZen is a browser-based toolkit for formatting, validating, minifying, comparing, querying, and converting JSON.
Free planWebAPILinux
Best JSON Tools in 2026
JSON tools can support work such as querying data, comparing versions, processing batches, and checking schemas. Compared on jq querying, JSONPath querying, JSON diff and compare, and schema validation, the options can be weighed against the tasks you handle. Batch processing and available platforms add useful distinctions, while free-plan availability and paid-from pricing help clarify access. jq, Dadroit JSON…
27.5
jaq is a free, MIT-licensed tool for querying and transforming data with jq filters.
Free planOpen sourceWebAPILinux
37.2
jq is a free command-line tool for filtering and transforming JSON data.
Free planWebLinuxmacOS
- 4
Dadroit JSON Viewer
Dadroit JSON Viewer presents structured JSON as a tree so users can browse and query data, including large files.
Free planWebLinuxmacOSWindows6.9From $98 a year - 5
BracketView
BracketView is a workspace for viewing, formatting, validating, querying, and comparing JSON in a browser or desktop app.
Free planWebLinuxWindows6.7From $27 a year - 6
jidoujisho
jidoujisho is an Android language-learning toolkit that combines video playback, reading, dictionary lookups, and flashcard creation.
Free planAndroid6.6Free plan - 7
JSONBuddy
JSONBuddy is a toolkit for editing and managing JSON and JSON Schema.
Free planAPIExtensionWindows6.6$15 one-time - 8
jsonfmt.dev
jsonfmt.dev is an online JSON formatter, beautifier, and validator with browser-based tools and an HTTPS API.
Free planWebAPI6.6$9 one-time - 9
gojq
gojq is a Go implementation of the jq command for applying queries to JSON, and it can also be embedded as a library in Go applications.
Free planLinuxmacOSSelf-hostedWindows6.5Free plan - 10
jless
jless is a free command-line viewer for reading, exploring, and searching JSON data on macOS and Linux.
Free planLinuxmacOS6.5Free plan - 116.5From $4.99 a month
- 12
gron
gron is a free, open-source command-line tool that turns JSON into separate assignments with visible paths.
Free planLinuxmacOSWindows6.2Free plan - 13
JSON OS
JSON OS is a free web workbench that brings together a JSON editor and Markdown Studio.
Free planWeb6.2Free plan - 14
JSON Forms
JSON Forms is a free, MIT-licensed framework for creating form-based web interfaces inside applications.
Free planWebSelf-hosted6.1Free plan - 15
JSON Crack
JSON Crack is a free online tool for viewing structured data as graphs or trees.
Free planWebExtension6.0Free plan - 16
JSONEditor.io
JSONEditor.io is a free browser-based tool for editing, viewing, formatting, validating, and converting JSON.
Free planWeb6.0Free plan - 17
POLPROG JSON Formatter
POLPROG JSON Formatter is a free browser workspace for formatting, validating, inspecting and comparing JSON.
Free planWeb6.0Free plan - 18
Ajv
Ajv is a free JavaScript library that validates JSON data against JSON Schema and JSON Type Definition schemas.
Free planWebSelf-hosted5.9Free plan - 19
camfx
camfx is free Linux virtual webcam middleware that adds live effects to camera output and sends the result to a V4L2 virtual camera using v4l2loopback and FFmpeg.
Free planLinux5.9Free plan - 20
European Commission JSON Validator
European Commission JSON Validator checks JSON content against one or more JSON schemas.
Free planWebAPISelf-hosted5.9Free plan - 21
JSON Compare
JSON Compare is a free web tool for examining differences between two JSON inputs.
Free planWeb5.9Free plan - 22
JSON Editor
JSON Editor is a JavaScript library that turns a JSON Schema into an HTML form.
Free planWebSelf-hosted5.9Free plan - 23
JSON Formatter
JSON Formatter is a free web tool for formatting, validating, and minifying JSON.
Free planWeb5.9Free plan - 245.9Free plan
- 25
JSON Viewer
Free planmacOS5.9Free plan