Dadroit JSON Viewer
Jayson
ExtendsClass JSON Generator
MockTurtle.net
Fullstack Vue
Mockaroo
DevToys
Create mock and sample JSON using a powerful template syntax

BoilerplateHub
SaaS Boilerplates
BuildKit
SaaS Forge
Find your next starter template by stack, not by vibes.

Which is more popular?
Based on our record, JSON Generator seems to be more popular. It has been mentioned 9 times since March 2021.
Website, pricing, platforms and company facts side by side.
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JSO
JSON Generator
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| Website | json-generator.com | stackseed.dev |
| Pricing | — | |
| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of JSON Generator yet.
StackSeed is a directory of developer starter templates — filter by tech stack, category, price and payment provider instead of scrolling GitHub for hours. Free and premium boilerplates side by side, with the real tradeoffs (open source vs. paid) made explicit.
What each product offers, as listed by its team.

Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing JSON Generator and StackSeed.dev.
StackSeed.dev's answer:
Filters that actually match how you'd search — by tech stack, category, price and payment provider — and pricing that's stated plainly, including whether something's open source, free, or paid. No account needed to browse.
StackSeed.dev's answer:
Developers starting a new project — a SaaS, a directory, a landing page — who'd rather spend a few minutes filtering by stack and budget than an afternoon comparing options scattered across GitHub and blog posts.
StackSeed.dev's answer:
StackSeed is a curated directory of developer starter kits — filter by tech stack, category, price and payment provider to find the one that actually fits your project, instead of losing an afternoon scrolling GitHub. Every listing is upfront about whether it's open source, free, or paid.
StackSeed.dev's answer:
Started as a personal tool to stop re-doing the same research — comparing starter kits scattered across GitHub, Twitter and blog posts — every time a new project began.
StackSeed.dev's answer:
Next.js 15 (App Router), React 19 and TypeScript on the frontend, styled with Tailwind CSS v4.
Share your experience with using JSON Generator and StackSeed.dev. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

JSON Generator: also generates mock data, but for JSON specifically. It's a bit more complex, but it allows for tailor-made results. - Source: dev.to / almost 3 years ago
Is there a generator for all the JSON generators out there? https://json-generator.com/. - Source: Hacker News / about 3 years ago
So I generated a random JSON file and tried parsing it. It doesn’t error, but whenever I do a println(root.Object().Value().String()), I get a panic: wrong type. If I do a println(root.Object().Present()), it prints false. So seems like... Source: over 3 years ago
Tracking StackSeed.dev since Sep 2026.
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