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Editor.js

B
B tier on Rich Text Editor SoftwareScore 7.1 · #3 of 37
Android app
Yes
Free plan
Yes
Runs on
Android, iOS, Web
editorjs.io
The Editor.js homepage
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Summary

Editor.js is a free block-style editor that represents content as JSON rather than as one continuous text field. Its workspace organizes material into blocks such as paragraphs, headings, images, lists, and quotes. Plugins power the blocks, and developers can create additional ones through its API. The JSON can be used to render content for web and mobile clients, Facebook Instant Articles, Google AMP, or audio; it can also be sanitized, validated, and processed on a backend. The getting-started guide names tools for headers, link embeds, images, checklists, lists, embeds, and quotes. Installation options include npm or Yarn, a CDN, and a local project file. Editor.js supports read-only mode when every block tool in use supports it. Its configuration can localize interface text, tool names, tools, and block tunes. It is self-hosted, supports JavaScript and TypeScript, and is released under the Apache 2 License. The project identifies CodeX, a non-profit team, as its maker.

Who it is for

Editor.js suits developers who need structured, JSON-based content for web or mobile rendering. It also fits projects that want plugin-built blocks and a self-hosted JavaScript or TypeScript editor.

What is good

  • Free plan with no free trial required.
  • Content is organized into distinct blocks.
  • JSON output supports web and mobile rendering.
  • Developers can build blocks using its API.

What to know first

  • Real-time collaboration is not supported.
  • Read-only mode depends on each block tool.
  • It must be self-hosted.

Verdict

Editor.js provides a free, extensible way to create structured content and produce JSON. Check that the block tools you need support read-only mode, and account for self-hosting.

Editor.js plans and pricing

All plans
Free and open-source Free editorjs.io · 4 Oct 2026

Compared on rich text editor software

Free plan
Yeseditorjs.io
Deployment
self_hostededitorjs.io
Framework support
JavaScript, TypeScripteditorjs.io
Structured content
Yeseditorjs.io
Real-time collaboration
Noeditorjs.io
Table editing
Yeseditorjs.io
Media handling
Images, file attachments, and embeds including YouTube, Twitch, Vimeo, Gfycat, Instagram and Twittereditorjs.io

Facts

What it does
Editor.js is a block-style editor that returns content as JSON.editorjs.io · 4 Oct 2026
Block structure
Its workspace uses separate blocks for content such as paragraphs, headings, images, lists, and quotes.editorjs.io · 4 Oct 2026
Extensibility
Blocks are powered by plugins, and the site says developers can create their own using its API.editorjs.io · 4 Oct 2026
Output uses
The site says JSON output can be used to render content for web and mobile clients, Facebook Instant Articles, Google AMP, or audio.editorjs.io · 4 Oct 2026
Tools
The getting-started guide lists examples including header, link embeds, image, checklist, list, embeds, and quote tools.editorjs.io · 4 Oct 2026
Installation
The guide describes installation through npm or Yarn, a CDN, or a local project file.editorjs.io · 4 Oct 2026
Read-only mode
Editor.js supports read-only mode, but each block tool used must also support that mode.editorjs.io · 4 Oct 2026
Internationalization
The configuration supports localization of editor UI text, tool names, tools, and block tunes.editorjs.io · 4 Oct 2026
Data handling
The site says its JSON output is easy to sanitize and can be validated and processed on the backend.editorjs.io · 4 Oct 2026
Support
The contributing page invites users to report bugs with reproduction steps and environment details, and provides a team email for feedback.editorjs.io · 4 Oct 2026
License
The site says Editor.js is released under the Apache 2 License.editorjs.io · 4 Oct 2026
Maker
The site identifies CodeX, a non-profit team, as the maker of Editor.js.editorjs.io · 4 Oct 2026

Best Editor.js alternatives

See all 20
Btier AiEditor #1 7.2 Android FreeBtier CKEditor 5 #2 7.2 Android $160/moBtier ProseMirror #4 7.0 FreeBtier Tiptap #5 7.0 $49/moCtier BlockNote #6 6.9 $195/moCtier Plate #7 6.9 Free

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Sources