Tree & Graph Viewer
Explore nested JSON with collapsible tree and graph views
Open tree viewerA fast online JSON viewer, formatter, validator, & query tool designed to help developers inspect & work with JSON more efficiently.
Sample parse
1,024 nodes
Formatted in 7ms


Format JSON
With Ease
BracketView is a freemium online JSON viewer and formatter for developers. It lets you format, validate, query, and share JSON directly in your browser — no installation required. Core tools including the formatter, validator, tree view, JSONPath query, JQ filters, and JSON diff run 100% client-side, meaning your data never leaves your device.
We believe every developer deserves powerful tools to inspect, format, and validate JSON with full clarity — without installing desktop software or uploading sensitive data unnecessarily.
Core tools run locally in your browser whenever possible.
Core viewer, formatter, validator, and query tools at no cost.
Designed for developers, analysts, and students every day.
Everything you need to inspect, format, validate, and query structured data — all in one browser tab.
Explore nested JSON with collapsible tree and graph views
Open tree viewerBeautify, minify, and validate JSON as you type
Try formatterQuery large documents with JSONPath or JQ expressions
Try JSONPathCompare two JSON versions and export formatted output
Try JSON diffOpen BracketView, paste your payload, and start formatting, validating, or querying structured data in seconds.
Drop JSON into the editor or import a file — no install required.
Beautify, minify, and catch syntax errors as you type in real time.
Browse the tree, run JSONPath queries, diff versions, and share results.
Whether you are shipping APIs, reviewing webhooks, or cleaning up configs, BracketView fits into your daily workflow.
Inspect REST responses, trace nested fields, and debug endpoints without a local setup.
Validate incoming payloads, spot schema drift, and share snapshots with your team.
Format and validate hand-edited configs, env exports, and deployment manifests.
Repair broken JSON from log files, exports, and third-party integrations.
Diff two API versions side by side and see exactly which fields changed.
Generate draft schemas from example objects and keep API docs accurate.
| Feature | BracketView | jsonviewer.stack.hu | JSON Formatter Chrome Extension |
|---|---|---|---|
| Free to use | Yes | Yes | Yes |
| 100% ads-free | Yes | Yes | No |
| Large viewing workspace | Yes | No | No |
| JSON Stats | Yes | No | No |
| JQ Filter Playground | Yes (WebAssembly) | No | No |
| AI JSON Repair | Yes | No | No |
| Type generation (TS, Go, Python…) | Yes — 9+ languages | No | No |
| Encrypted shareable links | Yes | No | No |
| JSON Schema Validator + Generator | Yes | No | No |
| 100% client-side (privacy-first) | Yes | Yes | Yes |
| Requires install | No | No | Yes (Chrome only) |
The full JSON workspace is free. Pro unlocks unlimited AI, larger uploads, and unlimited snapshots.
No credit card. Full workspace with monthly AI limits.
Get started freeUnlimited AI and higher limits, billed monthly.
Start monthly planAnnual bill of $54 with no usage limitations.
Best value — same Pro power, billed once a year.
Start yearly planPayments are processed with Razorpay. Pro includes a fair use policy for unlimited AI — normal personal or team usage is always welcome.
We have given answers to the most popular questions below
Viewing, formatting, and validation run locally in your browser whenever possible. BracketView is privacy-first: core tools are 100% client-side. Snapshot links and AI-assisted features follow a different data path — review the privacy policy before using those with sensitive data.
Developers already use BracketView to inspect APIs, validate configs, and ship faster. Try it too!