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Dev tools · alternatives · 2026

24 alternatives to Editor.js – the new open-source editor with clean JSON output

Free block-style editor with a universal JSON output

Editor.js is an open-source block-based editor that produces clean JSON output. Designed for developers and content management systems, it allows users to create structured content using modular blocks rather than… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Editor.js – the new open-source editor with clean JSON output launched in 2019; newer entries below may have overtaken it.

  1. 1
    Editor.js▲723

    A block-styled editor with clean JSON output

    2019 · editorjs.io · its alternatives →

  2. 2

    Effortless JSON Editing, Anywhere!

    2023 · chromewebstore.google.com · its alternatives →

  3. 3WP

    2013 · usablica.github.com · its alternatives →

  4. 4

    The headless rich text editor framework for web artisans. - ueberdosis/tiptap

    2019 · github.com · its alternatives →

  5. 5

    Inspired by the design and UI/UX of apps like Notion, and utility of open-source apps like StackEdit, I decided to create a minimalistic, local-only WYSIWYG Markdown editor. Some features worth highlighting: - Monaco editor and Prettier integration for code snippets - Tables (apparently the holy grail of WYSIWYG editing) - Embeds (for CodePen, CodeSandbox and YouTube, most useful for HTML or JSON exports) - Accepts Markdown paste-in, and "exports"/generates HTML, Markdown and JSON outputs - Collaboration (with real-time awareness and initial commenting system, available only when…

    2023 · editor.vrite.io · its alternatives →

  6. 6

    The dev friendly no-code editor for React development

    2024 · its alternatives →

  7. 7CJ
  8. 8
    Draft.js▲166

    A framework for building rich text editors in React

    2016 · facebook.github.io · its alternatives →

  9. 9

    A one-stop-shop tool for JSON processing on Mac

    2022 · tickplant.com · its alternatives →

  10. 10

    We needed a JS-first WYSIWYG DOCX editor and couldn't find a solid OSS option, most were either commercial or abandoned. As an experiment, we gave Claude Code the OOXML spec, a concrete editor architecture, and a Playwright-based test suite. The agent iterated in a (Ralph) loop over a few nights and produced a working editor from scratch. Core text editing works today. Tables and images are functional but still incomplete. MIT licensed.

    Feb 2026 · github.com · its alternatives →

  11. 11PJ

    2014 · phantomjs-pad.ozaur.com · its alternatives →

  12. 12

    Free, visual JSON editor - Validation, Type Support etc

    Nov 2025 · visualjsoneditor.com · its alternatives →

  13. 13
  14. 14

    Bridging the gap between block programming and JavaScript. - ronilan/BlockLike

    2019 · github.com · its alternatives →

  15. 15

    🚀 A React Framework for building extensible drag and drop page editors - prevwong/craft.js

    2020 · github.com · its alternatives →

  16. 16

    A community for sharing frontend code

    2021 · its alternatives →

  17. 17

    In-browser JSON editor. Contribute to kevinburke/hulk development by creating an account on GitHub.

    2013 · github.com · its alternatives →

  18. 18SV
  19. 19

    JSON made simple, powered by AI

    Jan 2026 · json-analyzer.netlify.app · its alternatives →

  20. 20

    Json editor online and dev tool

    Nov 2025 · jsoneditor.io · its alternatives →

  21. 21

    A modern block editor for any web application

    Jul 2026 · shelamkoff.github.io · its alternatives →

  22. 22
  23. 23

    A fully featured markdown editor and publisher. Free, open-source and browser-first (no backend required). Built with modern technologies like React, TypeScript, Shadcn/UI, and Vite. (thoughtfully crafted, not vibe coded)

    Jan 2026 · github.com · its alternatives →

  24. 24

    Efficient JSON editing with one-click formatting & search

    2025 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →