Best WYSIWYG Editors for Opera

Trumbowyg is a lightweight, customizable jQuery plugin that offers a visually appealing design while generating clean, semantic code through its robust API. It is specifically optimized to support HTML5 and is compatible with modern browsers, including IE9+, Chrome, Opera, and Firefox. While most WYSIWYG editors exceed 45kB, Trumbowyg maintains a compact size of just 20kB, ensuring quicker page load times. The plugin includes only essential features, allowing for the generation of tidy and semantic code tailored to your needs. Users have the flexibility to fully customize options and designs; however, its default design is enhanced for Retina displays, ensuring an excellent and straightforward user experience. Additionally, Trumbowyg supports the creation of custom plugins, which can be submitted via pull requests on its GitHub repository, along with the possibility to develop your own packages or utilize pre-existing ones. An extensive list of known packages for Trumbowyg is available for users. As an open-source project licensed under MIT, Trumbowyg is entirely free to use, making it an accessible option for developers everywhere. This combination of features and flexibility makes Trumbowyg an ideal choice for those seeking a powerful yet efficient text editor.

Summernote is an extremely user-friendly WYSIWYG editor built on Bootstrap, which can be effortlessly installed by downloading and linking the JavaScript and CSS files along with Bootstrap. You can tailor your experience by initializing a variety of options and modules, allowing you to see all the practical features of Summernote in action. Licensed under MIT and actively maintained by the community, it is compatible with various back-end frameworks. There are also third-party integrations available for platforms like Django, Rails, and Angular. This editor supports Bootstrap versions ranging from 3.x.x to 4.x.x and is notably lightweight, with the combined size of the JavaScript and CSS files being only 100KB. It offers an intuitive user experience and is compatible with all major browsers, including Safari, Chrome, Firefox, Opera, Edge, and Internet Explorer 9+. Additionally, it works seamlessly across all major operating systems, including Windows, MacOS, and Linux. To quickly get started with Summernote, you can download its precompiled and minified CSS and JavaScript versions, and keep in mind that Bootstrap requires specific HTML elements and CSS properties that necessitate an HTML5 doctype for optimal functionality. Moreover, the editor's flexibility allows developers to easily adapt it for various use cases and requirements.

Mercury is a comprehensive HTML5 editing tool designed to maximize your team's content editing experience in contemporary web browsers. Constructed from the ground up, it is packaged as a Rails Engine, allowing easy integration by simply adding it to your Gemfile, or you can choose to download the complete package if you're not utilizing Rails. The editor maintains the integrity of your production pages by not injecting any JavaScript or CSS, giving you the flexibility to implement any frameworks without concerns about conflicts. You can effortlessly customize the toolbar by adding or removing items, or even create entirely new tools to suit your needs. Each toolbar item can be linked to specific actions through behaviors and the command pattern, enhancing functionality. Mercury supports various content types out of the box, including Full HTML, Simple, Markdown, Snippet, and Image regions, while also allowing you to extend the foundational regions to create custom types. Built upon the advanced features of HTML5 contentEditable, it seamlessly supports all the modern HTML5 elements, syntax, and JavaScript APIs, making it a robust choice for developers looking to streamline their content editing process. The flexibility and extensibility of Mercury make it a valuable asset for teams aiming to improve their web content management capabilities.

Popline is a user-friendly WYSIWYG editor that activates only when text is highlighted on the page, drawing inspiration from PopClip. It comes equipped with essential editing tools right from the start, while also allowing for easy customization and extension. Users can choose between edit mode and view mode, as well as switch between fixed and relative popup options. It is compatible with major browsers including Chrome, Safari, Firefox, Opera 15.0+, and IE 8+. The default theme is thoughtfully designed by @Pepsin. Additionally, in View Mode, users can share content via Twitter, send messages on Facebook, pin images to Pinterest, or perform Google searches. Popline has the flexibility to appear either at the top of the selected paragraph, similar to Medium, or directly at the mouse pointer's location. Moreover, you have the ability to enable, disable, or reorder plugins during the initialization of Popline, ensuring a tailored editing experience. This versatility makes Popline a valuable tool for users seeking efficient text editing solutions.

Sir Trevor revolutionizes web content editing with an innovative and user-friendly interface that does not assume how the content will be displayed. The content is organized in a structured JSON format, incorporating minimal inline HTML, which allows for effortless creation and customization of block types. Its intuitive design enables users to create rich content easily, and it has been successfully implemented on a national news broadcasting website that caters to millions of viewers. The structure of Sir Trevor content is based on blocks, and while it comes pre-loaded with a variety of block types, users have the flexibility to add their own custom blocks as needed. Additionally, a comprehensive repository of blocks is available for users looking for more options, and creating custom blocks is a straightforward process. By default, Sir Trevor includes ECMAScript 6 shims, but users may need to implement their own shims for platforms lacking support for ECMAScript 5 APIs. Utilizing The Guardian's scribe for rich text editing, Sir Trevor is designed to be compatible with modern browsers, specifically supporting Chrome 51 and above, Safari 9 and above, and Firefox 47 and above, ensuring broad accessibility for users. Overall, Sir Trevor stands out as a powerful tool for anyone looking to craft dynamic web content efficiently.