Alternatives

Products that do what JsonLD.io does

AI-Powered Schema Made Simple

1. 1JM
   JSON5 — modern JSON▲64

   2012 · github.com

2. 2DO
   Documind – Open-source AI tool to turn documents into structured data▲169

   Documind is an open-source tool that turns documents into structured data using AI. What it does: - Extracts specific data from PDFs based on your custom schema - Returns clean, structured JSON that's ready to use - Works with just a PDF link + your schema definition Just run npm install documind to get started.

   2024 · github.com

3. 3
   Schema Markup Generator (JSON-LD)▲8

   Free schema markup generator.

   Jul 2026 · nativewp.app

4. 4
   Schema API▲143

   Extract structured content from the semantic web

   2021

5. 5JA
   JsonTree, a 3.53kb JavaScript tool for generating html trees from JSON▲78

   2017 · maxleiter.github.io

6. 6
   SchemaForAI▲1

   Free schema markup generator built for AI search engines

   Apr 2026 · schemaforai.app

7. 7HA
   hulk, an in-browser JSON editor▲25

   2013 · github.com

8. 8
   JSON Editor & Analyzer▲5

   JSON made simple, powered by AI

   Jan 2026 · json-analyzer.netlify.app

9. 9JS
   JSON-Splora, a gui for editing, visualizing, and manipulating JSON data▲54

   2016 · github.com

10. 10RS
    React-Schemaorg: Strongly-Typed Schema.org JSON-LD for React▲16

    2019 · github.com

11. 11DA
    Derulo, a tool for manipulating JSON files▲41

    2014 · github.com

12. 12AT
    Anything To JSON – a language model for structured extraction▲18

    Hey HN! Erik here from banana.dev We’ve trained a small(ish) language model on structured extraction, and today we’re launching a playground for it at https://anythingtojson.com. Give it a try! This model continues our work on structured generation, following last week’s launch of Fructose[1], a python client for strongly-typed LLM responses. There seem to be two distinct halves of the problem intended to be solved by Fructose and structured generation: 1. the reasoning ability of the model, such as performing chain of thought, creative acts, and natural language tasks. In a way,…

    2024 · anythingtojson.com

13. 13JA
    JSONScript – Asynchronous scripting language using JSON format▲49

    2016 · json-script.com

14. 14
    Free Schema Markup Generator▲4

    Generate JSON-LD schema markup without coding

    Jun 2026 · msangeetha.com

15. 15CL
    Command-line JSON processing tool▲32

    2018 · github.com

16. 16
    SchemaJet▲2

    Get your website cited by AI - We have a no CC freetier

    Jun 2026 · schemajet.io

17. 17
    JSON-LD Schema Markup Generator▲4

    Build clean JSON-LD schema without writing code

    Aug 2026 · loganmosby.com

18. 18JA
    Jsn – A relaxed, user-friendly JSON-like data format▲18

    2019 · github.com

19. 19
    AEO Intelligence Engine▲3

    Score, Audit, and Generate schema in one workflow

    Jun 2026 · aeo.krisifysolutions.com

20. 20JT
    JSON-to-JSON mapping done easily▲14

    2019 · github.com

21. 21
    Zen-JSON Pro▲4

    Ultra-fast, privacy-first, AI Powered JSON Viewer & Editor

    Jun 2026 · jsonviewer.rusting.dev

22. 22
    JSON Prompt Engine▲4

    Build perfect AI prompts for any model

    Jun 2026 · json-prompt-engine-frontend.vercel.app

23. 23
    Flowlume▲5

    Turn JSON into AI-powered dashboards in seconds

    Jan 2026 · flowlume.com

24. 24
    AI2JSON▲2

    Parse any PDF into structured JSON with AI — one API call

    Jul 2026 · ai2json.com

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