Best Web-Based XML Editors of 2025

For decades CCMS and content authoring solutions have been lagging behind in the fast-paced world of cloud technology. We’re changing that. Paligo was founded by people with many years of experience in the field of technical documentation. We’re using that experience to build the modern web platform that we would have wanted to use ourselves. Our goal is to make structured authoring more accessible to a wider audience by simplifying and demystifying the process. This is achieved through our intuitive and user-friendly CCMS, which is both powerful and robust, enabling our customers to easily author, manage, translate, and publish multichannel content.

Komodo Edit serves as an excellent choice for those seeking a powerful and straightforward editor. On the other hand, Komodo IDE offers advanced features like debugging, unit testing, code refactoring, and code profiling for more complex development needs. As software vendors increasingly serve as the first line of defense against security threats, even a single compromised update can expose countless customers to potential cyberattacks. Avoid becoming another SolarWinds incident by opting for comprehensive solutions. Instead of juggling multiple discrete tools and bespoke coding, the ActiveState Platform offers a ready-made solution that helps safeguard the security and reliability of the open source components you utilize and manage. This proactive approach not only enhances security but also streamlines your development process, allowing you to focus on building innovative solutions.

Our products Xeditor & Xpublisher enable collaborative creation, full administration, and easy publishing of content across all channels. This allows for highly automated production of journals and technical documentation. Our online XML editor makes it easy to create, edit, and review structured content quickly. You can access all your XML documents from anywhere, anytime. And you can collaborate with other authors in real time, regardless of technical skill. Manage and structure your content and any additional digital assets efficiently with our online publishing system Xpublisher, for a highly automated, fast and accurate multichannel-publishing. Our products Xeditor & Xpublisher have been adopted by many leading companies. They now benefit from digitalization in multichannel publishing. We offer turnkey solutions for these problems with Xpublisher or Xeditor. This will allow you to create content quickly and publish it automatically.

To begin, upload your XML file to the online XML editor using one of the available methods from the menu; you can either paste the data directly into the Input Box, select a file from your local storage, or retrieve it from the internet via a URL. Once the XML data has been successfully uploaded, it will be presented in a structured hierarchical XML Grid, allowing for straightforward navigation through the tree structure. Users have the ability to add, modify, or remove any nodes or branches within this structure. If you wish to preserve your edited XML document, simply select the Save option from the menu, and the XML data will be formatted neatly for you. After loading your XML data into the Online Editor, it will undergo validation to ensure compliance with W3C XML 1.0 specifications, providing peace of mind regarding its correctness. This comprehensive process ensures that your XML files are both user-friendly and adherent to established standards.

Help+Manual is a fully featured documentation tool. It is as simple as a word processor but much more powerful. It gives you the power and flexibility of an XML editor. This tool also includes powerful features to generate and edit help and documentation files, including full support of multimedia and complex modular projects. It doesn't matter if you want to publish documentation for desktop, mobile, iOS, Android, Windows help, or PDF user manuals. Help+Manual makes it easy! Single source documentation is more than simply putting the same information in different formats. Conditional tags can be used to mark content and create different outputs for each publication channel. No post-processing is necessary. Help+Manual takes care of the complicated aspects of documentation generation. However, power users can access the code to modify topic and layout templates, and much more. Help+Manual offers the best of both worlds.

ExtendsClass offers a range of tools that can be accessed directly through your web browser, eliminating the need to install additional add-ons for enhanced functionality. These tools include syntax validators, code formatters, testing utilities, HTTP clients, a mock server, and even a SQLite browser. They are designed to be user-friendly and lightweight, making them ideal for situations where you prefer not to download software onto your computer. Among the various functionalities, users can convert data formats such as CSV, TSV, XML, and JSON, as well as compare different data types like Text, XML, and JSON. Additionally, the platform provides options for formatting XML and JSON data, alongside capabilities for encoding and decoding base64 data. With such a diverse toolset readily available, developers can streamline their workflow without the hassle of installation.

Online XML tools provide a set of practical utilities designed for handling Extensible Markup Language documents and data formats. These tools are user-friendly, completely free, and devoid of any annoying ads or popups. You can access these XML utilities directly in your browser, and they all operate in a consistent manner — simply upload your XML, and you will receive the results. One standout feature is the free online XML beautifier, which allows you to load your XML, and it will be automatically formatted for better readability. With no distractions like ads or popups, this XML prettifier offers a seamless experience. To use it, just load your XML and watch it transform into a more organized format. This resource was developed by a team of programmers at Browserling specifically for fellow developers. Additionally, the tools cater to a wide range of XML-related tasks, ensuring that users have everything they need at their fingertips.

Xeditor is an online professional XML editor that allows you to create XML documents using state-of-the art web standards. Xeditor allows authors to collaborate on structured content from anywhere at any time. This helps companies create efficient workflows. Xeditor's web-based architecture eliminates the need for costly local installations. Xeditor, an online professional XML authoring tool, provides users with the tools they need for creating and editing structured documents in XML format. XML allows content to be created media-independently, semantically marked up and automatically processed. XML is the data format for the future. Xeditor provides both a visual and technical writing experience. The intuitive user interface of Xeditor's visual XML editor includes WYSIWYG functionality. This is a great tool for authors of subject-specific content.

Altova XMLSpy stands out as the top-selling editor globally for JSON and XML, offering an array of tools for modeling, editing, transforming, and debugging these technologies. With its advanced graphical schema designer, code generation capabilities, file converters, and debugging tools, XMLSpy equips developers with everything they need to create complex applications, supporting formats such as XSD, XSLT, XQuery, XBRL, and SOAP. Developers often seek a JSON and XML editor that goes beyond mere bracket matching and basic validation, and XMLSpy delivers a robust feature set including graphical views, intuitive code generators, wizards, and intelligent editing functionalities that significantly enhance productivity. By simplifying the editing process for XML and associated technologies, XMLSpy features an easy-to-navigate interface enriched with diverse views and options. No matter your preference for a text-based or graphical XML viewer, XMLSpy is designed to provide smart assistance throughout the editing experience, ensuring a seamless workflow. Ultimately, XMLSpy transforms the way developers interact with JSON and XML, making it an indispensable tool in their toolkit.

Streamlined content creation has never been simpler. Our platform empowers subject matter experts to generate, modify, and assess crucial documents with ease. Quick, accurate, and highly effective, Fonto Editor is utilized by thousands of authors globally to produce structured content in various languages. Make a lasting impact; after all, a picture can convey a thousand words, and a video can depict a thousand images. One unified platform allows you to maximize your experience with Fonto Editor through additional complementary tools. Fonto Content Quality offers smart support as you write, enhancing the caliber of your content while saving significant time and reducing both commercial and legal risks. Meanwhile, Fonto Review facilitates seamless online collaboration and provides a valuable audit trail, ensuring everything remains current and dependable. Additionally, Fonto Document History delivers essential documentation of the changes made to your content over time, instilling confidence when accuracy is paramount. With these tools, you can elevate your content creation process to new heights.

At its foundation lies an interpreter dedicated to Emacs Lisp, a variant of the Lisp programming language enhanced for text editing tasks. It offers content-aware editing modes that feature syntax highlighting for a variety of file formats. The platform includes comprehensive built-in documentation, complete with a tutorial aimed at newcomers. Users benefit from extensive Unicode support accommodating nearly all human scripts. It is highly customizable, allowing modifications through Emacs Lisp code or via a graphical interface. Beyond mere text editing, it encompasses a diverse array of functionalities, such as a project planner, email and news reader, debugging interface, calendar, IRC client, and much more. The presence of a packaging system enables users to download and install various extensions seamlessly. Additionally, it provides built-in support for arbitrary-size integers and utilizes HarfBuzz for effective text shaping. There is also native functionality for JSON parsing, improved support for Cairo drawing, and the adoption of portable dumping in lieu of unexec. The system adheres to XDG conventions for initialization files and includes an additional early-init file for enhanced customization. Furthermore, it supports built-in tab bar and tab-line features, as well as the ability to resize and rotate images without relying on ImageMagick, making it a versatile tool for a wide range of tasks. Overall, it stands out as a powerful platform that caters to a multitude of user needs beyond simple text manipulation.

CodeBeautify is designed to enhance, compress, and transform your code or data to achieve the desired output. The visibility settings dictate how a program can be viewed on codebeautify.org and who is permitted to access it. By clicking the Save Online Button, anyone can access the code, which will then appear on the recent page. Each user has access to their own code through a unique link, although this personal code is not displayed on the user's recent page, ensuring privacy for individual projects. This functionality allows users to efficiently manage their code while maintaining control over its accessibility.

Empower subject-matter experts (SMEs) to create organized content directly in the user-friendly Microsoft Word platform, eliminating the need for knowledge of complex markup languages like DITA or XML. Address specific requirements, particularly in regulated sectors, with enhanced precision, uniformity, and efficiency through the use of modular content that allows for reuse. Reduce production times and expenses by automating tedious, error-prone manual tasks tailored to various content types. Ensure that updates are synchronized across key content elements, including legal language and disclaimers. Facilitate easy collaboration with SMEs and other stakeholders to develop, review, and manage content resources and their components. Prevent the unnecessary duplication of text, graphics, charts, and other content elements. Uphold consistent branding and messaging across numerous documents and channels while fostering a culture of collaboration that leads to improved content quality.