Online HTML editor is a browser-based HTML editing tool powered by CKEditor 5, offering Word to HTML conversion and real-time collaboration. It provides control over source code, custom elements and styles, and can work with complete HTML documents including meta tags and comments.
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An online HTML escape tool that converts special characters in entered text into their proper HTML codes, so text or HTML code can be pasted onto a website. The produced HTML is designed to look and behave like the original text in a text editor.
HTML-CSS-JS.com offers a free online HTML, CSS and JavaScript editor with instant preview. The site provides a collection of online tools related to HTML, CSS and JS, which are described as the client-side parts of websites.
An online interactive HTML cheat sheet page containing code examples, web developer tools and markup generators. It includes panels for color, character and tag references, structures and attributes, plus generators for iframe, table, link, image and list markup, and a live-preview HTML editor. The pages are described as a quick guide for those already familiar with the languages.
Tooplate offers a collection of free HTML and CSS website templates for startups, SaaS products and small businesses. The templates are described as mobile-friendly, responsive and built with modern CSS frameworks including Bootstrap. Templates can be customized in any HTML code editor.
Dillinger is a free online markdown editor with live preview that requires no signup. It supports cloud sync with GitHub, Dropbox, Google Drive, OneDrive, and Bitbucket, and allows one-click export to Markdown, styled HTML, or PDF. The editor works offline, includes a distraction-free zen mode, and is built on the Monaco editing engine.
GradientArt is a CSS gradient editor with a visual canvas, a full path editor, alignment and spread tools, and clipping masks. It supports layers in folders and exports customizable HTML, CSS and SVG. Saving a project requires signing in; editing is not autosaving.
MarkdownTools is a suite of free, browser-based tools for working with Markdown, with no signup required. It covers converting, formatting, previewing and editing, including a live editor with HTML export, Markdown to PDF, table generators and converters, a YAML frontmatter editor, a table of contents generator, a callout generator and a Mermaid diagram preview.
RAPT is a two-player HTML5 platformer where enemies block each level's exit. It uses a split-screen mechanic and includes a level editor that saves levels to a server account, with a public page listing custom levels. It works best in Google Chrome. The game and editor were made in 2010-2011.
Tabletop RPG Map editor II is a map editor by Deepnight Games for Windows, also available as a browser HTML5 version. Maps use generic shapes rather than specific objects. It supports maps generated by One Page Dungeon, diagonal and cavern walls, and raycasted lighting. The project is in an Alpha phase, and the desktop version is recommended for file management. It is offered as pay what you want, including free.
An online tool for editing save files from games built with RPG Maker, Ren'Py, Unity, Unreal Engine 4/5, Godot, and HTML. Users upload a save file, the format is detected automatically, and values such as gold, items, stats, variables, and text can be changed before downloading the updated file.
AnyTextEditor is a free online text editor that provides extensive functionality for editing and manipulating text. Users can work with various fonts, encodings, and code formats. The tool includes utilities such as find and replace, case conversion, URL decoding and encoding, HTML and CSS editing, word and character counting, grammar checking, text comparison, and text-to-speech. It also offers generators for passwords, QR codes, barcodes, random data, and more, as well as converters for documents like PDF, Word, and Excel.
Asciistrator is an ASCII vector graphics engine and editor. It provides layers with position, size, transform, color and style properties, plus border styles such as single, double, rounded, heavy and dashed. It offers export options including Avalonia XAML, React Component, Vue Component and HTML Characters.
Bonk is a multiplayer physics game for up to eight players at once, in which players push opponents off the edge of the level and the last one standing wins. It offers last-man-standing and team-based matches, an in-game level editor, and community-created custom maps. The current HTML5 version replaced the earlier Flash game, and accounts, maps and skins were transferred.
Browserpad is a plain text notepad that runs in a web browser. It is built entirely with HTML, CSS, and JavaScript. The editor provides features such as character and word counting, line display, 80‑column mode, spell‑checking, printing, and open/save capabilities. Its source code is available on GitHub.
ConvertCSV.com is a collection of online tools for converting CSV and Excel data to and from formats such as JSON, XML, SQL, YAML, KML, GeoJSON, HTML, Markdown and PDF. It also provides a CSV viewer and editor, a CSV validator, SQL querying and data extraction tools. The tools run on the client side, so data never leaves the computer.
ghostwriter is a free and open-source Markdown editor for Windows, Linux and macOS. It offers a distraction-free writing mode, light and dark themes, live HTML preview, and a sidebar outline for navigation. Focus Mode highlights the current text, and a Hemingway Mode disables backspace and delete keys. It can auto-detect Pandoc, MultiMarkdown or cmark processors for live preview and export.
HexEd.it is a free hex editor that runs in a web browser using HTML5 and JavaScript technology. It is intended for Windows, MacOS, Linux and other modern operating systems, and lets users analyse hexadecimal binary dumps and files and read, manipulate, write, import and export byte as well as bit data.
Layoutit Voxels is a CSS voxel editor powered by CSS grid and 3D transforms. It allows users to build models with HTML cuboids, choosing from shape options including cube, slab, wedge and spike, with palettes and textures. The page displays rows, columns, depth and a count of voxels, facets and size.
Liveweave is a browser-based workspace for HTML, CSS, and JavaScript with a live preview and an AI coding assistant. It also offers a Python playground, an SVG graphics editor, and a color explorer. The site hosts a showcase of user-created experiments, such as templates and a 3D bowling game.
Markdown Monster is a Markdown editor for Windows with syntax highlighting and a collapsible, synced live preview. It supports pasting images, embedding links and tables, spell-checking, and exporting Markdown to PDF or HTML. A .NET addin model allows extensions, and its weblog publishing feature supports WordPress, MetaWeblog, Jekyll and Medium.
Markdown Editor Online is a browser-based tool for writing Markdown with a real-time preview pane. It supports LaTeX math, Mermaid diagrams, GitHub-flavored Markdown, tables and code highlighting, and allows exporting to PDF, Word or HTML without login. Drafts autosave in the browser, and existing .md files can be uploaded for editing.
Markor is a lightweight Android text editor for notes and to-do lists, supporting Markdown and todo.txt. It works completely offline, offers syntax highlighting, converts and shares documents as HTML and PDF, and includes an auto-save with undo and redo options. Notes are stored as plaintext files in a notebook folder, and the app has no ads or unnecessary permissions.
Prettier is an opinionated code formatter that supports many languages, including JavaScript, TypeScript, CSS, HTML, JSON, GraphQL, Markdown and YAML. It reprints code from scratch, taking line length into account, to enforce a consistent style across a codebase. Prettier integrates with most editors.