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JSON Hero

jsonhero.dev

From $4.99/mo Free plan Web
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Spec score 7.6 #17 of 29 in JSON Tools

Spec sheet

Purpose
JSON Hero is an online tool for formatting, minifying, validating, viewing, searching, editing, comparing, and sharing JSON.Read 9 Oct 2026 · jsonhero.dev
Support
Pro includes priority replies by email at [email protected].Read 9 Oct 2026 · jsonhero.dev
Availability
The pricing page says Pro is not on sale yet and offers email notification when it opens.Read 9 Oct 2026 · jsonhero.dev
Billing
The pricing page says prices are per person, taxes are included, Indian customers are billed in rupees, and everyone else in US dollars.Read 9 Oct 2026 · jsonhero.dev
Browser based
The editor runs in a modern browser with no sign-up or installation required.Read 9 Oct 2026 · jsonhero.dev
Comparison
Users can compare two JSON documents with ignore rules, arrays matched by key, and a compatibility report.Read 9 Oct 2026 · jsonhero.dev
Formatting
It pretty-prints JSON with syntax highlighting and supports strict and tolerant parsing for malformed JSON.Read 9 Oct 2026 · jsonhero.dev
Import and export
Users can load JSON from a public URL, a local file, or the clipboard, and download formatted or minified JSON.Read 9 Oct 2026 · jsonhero.dev
Local processing
Formatting, minifying, validating, searching, folding, unescaping, and downloading run on the user's device; this JSON is not uploaded.Read 9 Oct 2026 · jsonhero.dev
Navigation and search
It provides a collapsible tree, line numbers, bracket highlighting, and real-time search with highlighted matches.Read 9 Oct 2026 · jsonhero.dev
Pro comparison tools
Pro removes comparison rule limits, saves rule presets in the browser, and exports comparisons as JSON Patch, unified diff, or Markdown.Read 9 Oct 2026 · jsonhero.dev
Share limits
The free plan allows up to 100 KB per document, 30 new links per hour, and 100 per day; Pro allows up to 1 MB and 500 links per day.Read 9 Oct 2026 · jsonhero.dev
Sharing and security
Creating a share link uploads the JSON; anyone with the link can view it, links are not password protected, and the free-plan data is deleted after 7 days.Read 9 Oct 2026 · jsonhero.dev

Plans and prices

Free Free Forever. No account required. 100 KB per document · links expire after 7 days · 30 shares per hour · 100 shares per day · no ads Read 9 Oct 2026 · jsonhero.dev
Pro (not on sale yet) $4.99 a month Monthly or annually; the page says Pro is not on sale yet. 1 MB per document · share links last 7, 30, or 90 days, or until deleted · 500 shares per day · priority email replies Read 9 Oct 2026 · jsonhero.dev

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