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SPECIFICTION
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SunEditor

suneditor.com

WebSelf-hosted
Visit suneditor.com
Spec score 7.1 #28 of 37 in Rich Text Editor Software

Spec sheet

Purpose
SunEditor is a lightweight WYSIWYG editor written in vanilla JavaScript.Read 7 Oct 2026 · suneditor.com
Product
SunEditor is a lightweight WYSIWYG editor written in vanilla JavaScript.Read 7 Oct 2026 · suneditor.com
API
The API reference documents editor methods, options, event callbacks, plugin interfaces, and modules.Read 7 Oct 2026 · suneditor.com
Security
The repository page links to a security policy; the product pages reviewed did not state a security certification or compliance standard.Read 7 Oct 2026 · github.com
License
The project README identifies SunEditor as open source under the MIT License.Read 7 Oct 2026 · github.com
Browser support
The project README says SunEditor supports modern browsers without dependencies or polyfills by default and does not support IE or Legacy Edge.Read 7 Oct 2026 · github.com
Content focus
The project README says SunEditor is optimized for structured content such as articles, documentation, and emails, and validates and auto-corrects content.Read 7 Oct 2026 · github.com
Content rendering
The getting-started guide says rendered editor HTML requires SunEditor content CSS and the sun-editor-editable class.Read 7 Oct 2026 · suneditor.com
Custom plugins
Developers can create and register their own plugins.Read 7 Oct 2026 · suneditor.com
Customization
SunEditor includes four themes and supports custom themes through CSS variables.Read 7 Oct 2026 · suneditor.com
Dependencies
The editor advertises zero dependencies.Read 7 Oct 2026 · suneditor.com
Editing features
The feature catalog lists text formatting, font controls, alignment, block styles, and line-height controls.Read 7 Oct 2026 · suneditor.com
Editor features
The feature catalog includes text formatting, font and color controls, alignment, block styles, line height, and copy format.Read 7 Oct 2026 · suneditor.com
Framework integrations
The official site lists HTML, JavaScript, React, Vue, Angular, Svelte, and Web Components integrations.Read 7 Oct 2026 · suneditor.com
Framework support
The site lists integrations for HTML, JavaScript, React, Vue, Angular, Svelte, and Web Components.Read 7 Oct 2026 · suneditor.com
Installation
The getting-started guide demonstrates installing with npm or using the CDN.Read 7 Oct 2026 · suneditor.com
Language support
The home page lists support for more than 25 languages and RTL.Read 7 Oct 2026 · suneditor.com
Media
Built-in plugins include image upload and editing, video, audio, external embeds, drawing, and math equation editing with KaTeX.Read 7 Oct 2026 · suneditor.com
Media support
Built-in plugins support image, video, audio, hyperlinks, external embeds, drawing, and math equations.Read 7 Oct 2026 · suneditor.com
Open source
The maker describes SunEditor as free and open source.Read 7 Oct 2026 · suneditor.com
Plugins
The plugin guide says SunEditor ships with 24 built-in plugins for media, formatting, and advanced features.Read 7 Oct 2026 · suneditor.com
Pricing
The official site describes SunEditor as free and open source.Read 7 Oct 2026 · suneditor.com
Security advisories
The GitHub security page lists two critical advisories, published June 20 and July 15, 2026.Read 7 Oct 2026 · github.com
Security reporting
The project security policy accepts vulnerability reports by email and says an initial response can generally be expected within seven days.Read 7 Oct 2026 · github.com
Themes
The maker says SunEditor includes four themes: dark, midnight, cobalt, and cream.Read 7 Oct 2026 · suneditor.com

Where Specifiction places it

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