JSONZen

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

JSONZen is ranked #2 of 29 in JSON tools on Inferse. It runs on API, Web. There is a free plan. A free trial is offered.

Compared on JSON tools

Free plan: Yesjsonzen.dev
Paid from: $5/mojsonzen.dev
Schema validation: Yesjsonzen.dev
JSONPath querying: Yesjsonzen.dev
jq querying: Yesjsonzen.dev
JSON diff and compare: Yesjsonzen.dev
Available platforms: webjsonzen.dev

Facts

Purpose: JSONZen offers browser tools to format, validate, diff, query, and convert JSON.jsonzen.dev · 30 Sept 2026
Client-side processing: The site says every core tool runs in the browser and describes its tools as 100% client-side.jsonzen.dev · 30 Sept 2026
Tool coverage: Tools include JSON formatting, schema validation, minification, tree view, semantic diff, JSONPath and JMESPath queries, JWT decoding, and conversions.jsonzen.dev · 30 Sept 2026
Code generation: JSONZen can generate TypeScript, Zod, Pydantic v2, and JSON Schema from JSON or schemas.jsonzen.dev · 30 Sept 2026
Schema validation: The validator supports JSON Schema drafts 07, 2019-09, and 2020-12 and reports per-path errors.jsonzen.dev · 30 Sept 2026
Sharing: Shareable JSON URLs keep their payload in the URL fragment, which the site says is not stored on its servers.jsonzen.dev · 30 Sept 2026
Pro encryption: Pro snippets are encrypted in the browser before upload, and the server stores opaque ciphertext that JSONZen says it cannot decrypt without the passphrase.jsonzen.dev · 30 Sept 2026
Sync behavior: Pro snippet sync is manual per snippet, and the CLI does not connect to cloud accounts.jsonzen.dev · 30 Sept 2026
Snippet limits: Free users can store three snippets locally per browser, while Pro has no snippet-count cap and a per-snippet ciphertext limit of 2 MiB.jsonzen.dev · 30 Sept 2026
Share-link limits: Share links allow payloads up to 32 KB on Free and 256 KB on Pro.jsonzen.dev · 30 Sept 2026
CLI: The pricing page lists the CLI as included free and installable with npm i -g jsonzen.jsonzen.dev · 30 Sept 2026
Support: The homepage invites users to suggest tools by emailing [email protected].jsonzen.dev · 30 Sept 2026
Account and signup: The homepage says the browser tools require no signup, and the pricing page advertises three months of Pro free with no card required for sign-up.jsonzen.dev · 30 Sept 2026
Integration: The pricing page says jq query language is available as a Pro power tool.jsonzen.dev · 30 Sept 2026