CurlyJSON
Powerful JSON tools. Your data stays yours.
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Format, validate, compare and convert JSON in your browser — nothing is uploaded. Graph and table views, a diff that ignores key order, JSON Schema, jq, types in 27 languages, CSV/Excel, JWT decoder and a Chrome and Edge extension. Free, no sign-up, offline.
PH · launched Nov 2, 2026 · 2 upvotes (top 19%) · 0 views
Niche: json tools and utilities · 64 launches, 3 in the last 7 days ▼ -40% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Commercial product
- Chrome Extensions
- Productivity
- Privacy
- Developer Tools
Visit website ↗ Source listing ↗
More like this: all 64 launches in json tools and utilities →
Could you build this?
Yes Client-side JSON formatting, diffing, schema validation, and conversion are well-understood problems with mature libraries, and the offline, browser-only design avoids backend work.
Competitors
Other products that read as similar to this one : 418 launches clear the similarity bar, closest 8 shown.
Attention rank: #30 of 419 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 366 days after the earliest competitor.
- BestJSON · ph · 2026-10-03 · 1 upvotes · similarity 0.73
- CSV & JSON Developer Tools · ph · 2026-09-29 · 1 upvotes · similarity 0.69
- Parsekit — Free JSON Tools for Developer · ph · 2026-09-29 · 1 upvotes · similarity 0.67
- jsoncsvonline · ph · 2026-09-10 · 1 upvotes · similarity 0.66
- LocalOnly: toolkit for JSON & developers · ph · 2026-10-19 · 2 upvotes · similarity 0.62
- Formaty · ph · 2026-10-13 · 1 upvotes · similarity 0.62
- JSON Object Validator · ph · 2026-09-24 · 2 upvotes · similarity 0.61
- JSON Viewer · ph · 2026-09-10 · 2 upvotes · similarity 0.61
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.