Html with text editor

Online HTML Editor

Turn off HTML filtering to allow pasting any HTML code into the editor. By default, the editor accepts only HTML that it can produce.

* Any uploaded image will be removed in 14 days.

Clean HTML output on the go

Here are the 2 different WYSIWYG HTML editors available on this website:

• CKEditor 4 with direct access to edit HTML markup

• CKEditor 5 with real-time collaboration and Markdown support.

With both editors, you can create clean HTML output with the easiest WYSIWYG editing possible. If you’ve already started writing rich-text content, all you have to do is paste it in onlinehtmleditor.dev, make your adjustments, extract HTML output from view-source mode and reuse it anywhere on the web!

Easy HTML editing

CKEditor 4’s HTML source code editing feature allows it to be used as an online HTML editor. It includes syntax highlighting to make it easier for you to follow code. It can be forced to accept any type of code including tags by simply turning off the HTML filtering. You can also switch to WYSIWYG mode anytime to check how your code output looks!

Clean your HTML code

For situations where you would like to clean and fix up invalid HTML, you can use CKEditor 4’s source code editing feature as well. After switching to source code mode, all you have to do is to paste in your HTML and CKEditor 4 will automatically fix it. You can again switch back and forth to WYSIWYG mode anytime to edit content more easily.

Convert Word document and Google Docs to HTML

CKEditor 4 and CKEditor 5 have excellent copy-paste with constant improvements. Whether you are copy-pasting from Google Docs, Word, Excel or LibreOffice, CKEditor will get you your exact content. This makes it better than any ordinary tool to turn your existing Word and Google Docs and LibreOffice documents to HTML. Simple as, paste your content, and click source code mode to see the HTML output.

Collaborative writing

If you’re looking for an alternative to Google Docs real-time collaboration, but you also need HTML output, CKEditor 5 is a go! You can use it to comment on selected parts of the content, text, images, tables or suggest edits with its track changes feature.

To collaborate with your colleagues or friends all you have to do is to share the link. Each time you load the page, a special document ID gets attached to the URL. Each document ID and its content stays active for an hour after the last user disconnects from it so you do not immediately lose your content. Also, there isn’t a limit for the number of collaborators!

Collaboration makes it easier to create your content quickly and efficiently. With CKEditor 5, where you write, comment, discuss and proofread the content are unified so you don’t lose time switching between applications to edit and discuss. If some of your collaborators prefer Markdown, CKEditor 5 has you covered there too!

Why CKEditor?

WYSIWYG editors in your software often misbehave. This is usually because they are out-of-date or simply are not reliable. Unfortunately, many developers opt for simple, lightweight, do-it-yourself-editors based on assumptions without doing proper research or testing for their individual use case. This leaves the end users frustrated.

However, both CKEditors are built with 16 years of experience in WYSIWYG rich-text editing by a team of 40+ developers. We consistently listen to user concerns, trends, new feature requests to help us build our editors. Architectures that can handle complex structures and the constant improvements makes the editors stronger than any other examples.

The best WYSIWYG Online HTML editor around

What sets CKEditor apart from other online HTML tools is its originality! There are many websites and articles that include lists of best online HTML editors. What these listicles won’t tell you is that although they have different names, many of the mentioned tools are simple implementations of CKEditor!

Now you’ve found the original online HTML editor! Whether you are looking for a quick online solution or to implement the editor in your own software, CKEditor will always provide you the latest and greatest WYSIWYG features. But if you are looking for some guidance on deciding which editor is the best for you, we can also help with that!

Online HTML editor features

This section presents a whole variety of features that CKEditor has to offer

Copy Formatting

The optional Copy Formatting plugin provides the ability to easily copy text formatting from one place in the document and apply it to another. To copy styles, place your cursor inside the text (or select a styled document fragment) and press the button or use the Ctrl+Shift+C keyboard shortcut.

Removing Text Formatting

The Remove Format plugin provides the ability to quickly remove any text formatting that is applied through inline HTML elements and CSS styles, like basic text styles (bold, italic, etc.), font family and size, text and background colors or styles applied through the Styles drop-down. Note that it does not change text formats applied at block level..

Autoformatting

The Autoformat feature in CKEditor 5 allows you to quickly apply formatting to the content you are writing. While it can be customized, by default it can be used as an Markdown alternative. For example you bold by typing **text** or __text__ , create bulleted lists with * or -, create headings with #, ## or ###.

Block-Level Text Formats

The Format plugin provides the ability to add block-level text formatting to your document. It introduces the Paragraph Format toolbar button that applies these text formats. The formats work on block level which means that you do not need to select any text in order to apply them and entire blocks will be affected by your choice.

Tables

This plugin adds the Table Properties dialog window with support for creating tables and setting basic table properties, such as: number of rows and columns, table width and height, cell padding and spacing, table headers setting, table border size, table alignment on the page and table caption and summary.

Pasting Content from Microsoft Excel

The Paste from Word plugin allows you to also paste content from Microsoft Excel and maintain original content structure and formatting.

Embedding Media Resources

The Media Embed plugin allow to embed resources (videos, images, tweets, etc.) hosted by other services (like e.g. YouTube, Vimeo, Twitter) in the editor.

Spellcheck on the go

The SpellCheckAsYouType (SCAYT) plugin provides inline spelling and grammar checking, much like the native browser spell checker, well-integrated with the CKEditor 4 context menu. It uses the WebSpellChecker web services.

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How Rich Text editor in HTML are made (Principles and Demo)

A rich text editor is a component that permits to edit text to make it rich. ie it allows the text to be styled via editing button.

Basic Example

This code is explained in the html_editor section. If you want to see the code, hover over the form and click on the Try this code button.

Ref: Example adapted from the Editing section of the spec

How it works

HTML Editor

Editable element

The most simple implementation are made via Javascript that manipulates directly the syntax tree of the HTML document called the DOM.

The content is made editable with the contentEditable attribute and the user edit that text.

In other words, the HTML DOM is edited. ie when the user bolds a word, a b html element is added.

The styling buttons are implemented with:

the execCommand This function will be replaced by Content Editable and Input Events but they are still not fully implemented

The basic_example is using the execCommand .

Canvas

If you need to create text that is constrained in a fix format such as a page A4, you may want to use a canvas instead. 1) . Google docs use it with their Kix editor 2)

Other Language Editor

If you want to create a editor for another language, there is two possible architectures that increase in complexity:

or a bidirectional editor, the hardest, where you need also to translate the HTML back to your language.

Translation

To translate you language to HTML , you can do it:

Virtual DOM

The HTML dom may be and is generally virtual. Editors may use:

Some implements also there own such as:

The advantage of a virtual DOM is that the page does not need to be entirely refreshed. The virtual dom is making the diff and its update transparent.

Keep in mind that the DOM implementation chosen will limit the expressiveness of your language.

It’s easy to add an inline feature such as bold but it’s:

Debounce

To smoothing the experience and to not render on every stroke, you should apply a debounce. It reduces overhead by not rendering for every keystroke. The rendering is triggered via a keystroke or a timer.

Sanitization / Security

To avoid Xss attack, your input should be sanitized to delete every scriptable/callable text also on the server please as the client code is never reliable.

Editors

but also the code_editor because if you are creating a markup language, you may also just want to go this route.

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