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Head-to-head · Rich Text Editor Software

ProseMirror vs Editor.js

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score ProseMirror #5 in Rich Text Editor Software 8.1/10 Free plan Free plan✓ 3 of 3 features Visit ProseMirror
Editor.js #8 in Rich Text Editor Software 7.7/10 Free plan Free plan✓ 2 of 3 features Visit Editor.js

ProseMirror leads on 1 check, Editor.js on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreProseMirror · 8.1/10
  • Free planboth
  • Most featuresProseMirror · 3 of 3

ProseMirror scores higher on our rubric for rich text editor software: 8.1 against 7.7 out of 10; our editors rank them #5 and #8.

ProseMirror offers real-time collaboration; Editor.js doesn't.

ProseMirror is the better fit for developers needing a structured editor foundation. Editor.js is the better fit for developers needing structured block JSON output.

  • ProseMirror fits best

    Developers needing a structured editor foundation

  • Editor.js fits best

    Developers needing structured block JSON output

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature ProseMirror 8.1/10 Visit ↗ Editor.js 7.7/10 Visit ↗
At a glance
Editor score 8.1 7.7
Ranking #5 in Rich Text Editor Software #8 in Rich Text Editor Software
Best for Developers needing a structured editor foundation Developers needing structured block JSON output
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Self-hosted
Platforms Web Web
Support Community, Docs Docs, Community
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features ProseMirror 3/3 · Editor.js 2/3
Structured content ✓ ✓
Real-time collaboration ✓ (best) —
Table editing ✓ ✓
Specs
Deployment Self_hosted Self_hosted
Framework support JavaScript, TypeScript JavaScript, TypeScript
Media handling Images via URL-based image nodes; HTML and plain-text paste; drag-and-drop content Images, file attachments, and embeds including YouTube, Twitch, Vimeo, Gfycat, Instagram and Twitter
Our review
Pros
  • Custom schemas support tailored semantic document structures
  • Transactions, transformations, tables, and collaboration are included
  • DOM serialization and Markdown integration support content workflows
  • Structured JSON supports validation, transformation, and multi-channel rendering
  • Custom blocks, inline tools, and block tunes extend the editing experience
  • Supports sanitization, read-only mode, localization, embeds, and paste handling
Cons
  • Requires developers to assemble and configure separate modules
  • Self-hosted deployment puts implementation responsibility on your team
  • No built-in AI features or standalone hosted writing application
  • Real-time collaboration is not included
  • Self-hosted deployment requires application-side infrastructure
  • Structured JSON requires rendering logic for web, mobile, or other channels
Our verdict

ProseMirror is an open-source toolkit for developers building rich-text editors in web applications. Its browser editor view is based on contentEditable, while its structured document model and configurable schemas let teams define which…

Read the review →

Editor.js is an open-source, block-based rich text editor for developers adding content creation to web products. It organizes content into configurable blocks such as paragraphs, headings, lists, images, quotes, tables, and embeds, then…

Read the review →
  1. ProseMirrorRich Text Editor Software 8.1Free plan
  2. Editor.jsRich Text Editor Software 7.7Free plan

Strengths and trade-offs

  • ProseMirror — where it wins

    • Custom schemas support tailored semantic document structures
    • Transactions, transformations, tables, and collaboration are included
    • DOM serialization and Markdown integration support content workflows

    Where it doesn't

    • Requires developers to assemble and configure separate modules
    • Self-hosted deployment puts implementation responsibility on your team
    • No built-in AI features or standalone hosted writing application

  • Editor.js — where it wins

    • Structured JSON supports validation, transformation, and multi-channel rendering
    • Custom blocks, inline tools, and block tunes extend the editing experience
    • Supports sanitization, read-only mode, localization, embeds, and paste handling

    Where it doesn't

    • Real-time collaboration is not included
    • Self-hosted deployment requires application-side infrastructure
    • Structured JSON requires rendering logic for web, mobile, or other channels

More comparisons

All rich text editor software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update