ONLYOFFICE Docs, powerful document editing for your app users

Maximum compatibility with MS Office formats

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One suite, multiple features

Text document editing

Multiple styling and formatting tools, objects, table of contents, bookmarks, document comparison, mail merge, etc.
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Spreadsheet editing

400+ functions and formulas, table templates, named ranges, charts, equations, pivot tables, conditional formatting, macros, and more.
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Digital form building

Different fillable fields: text areas, images, combo boxes, drop-down lists, check boxes, email, and phone number. Extended field properties. Export to PDF.
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Presentation editing

Wide selection of formatting tools, objects, style options, transitions, and animations. Presenter mode.
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PDF editing and filling

Edit, highlight, underline and cross out text, leave comments and freehand drawings. Insert objects, rotate, add and delete pages. Convert from/to PDF. Build PDF forms and fill them in.
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E-book creation

Multiple styling and formatting tools. Use table of contents, figures, footnotes, and hyperlinks. Integration with Mendeley and Zotero. Export to EPUB and FB2.
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Document building

Generate docx, xlsx, pptx, and pdf files without having to run the editors. Lightweight tool and easy integration with your service. All programming languages supported.
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Document conversion

One API converts all Office documents : texts, sheets, slides, forms, PDFs, and eBooks. More than 50 formats supported.
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Seamless collaboration

Real-time and paragraph-locking co-editing, review, version history, comments, and chat. Jitsi and Rainbow integration.

Document viewing

50+ document formats supported for viewing. Switch from common view mode to live viewer to allow users to see the changes made by other collaborators in real time when opening a document in the view only mode.
See it in action Discover Docs 8.1

What are you developing?

ONLYOFFICE Docs is built to seamlessly fit your web app

No matter what language your app is written in

ONLYOFFICE provides ready-to-use samples of online editors integration and components for popular frontend frameworks
Explore docs
Explore docs

No matter what deployment model you use

You can integrate ONLYOFFICE Docs Developer into your SaaS or on-premise solution.
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For multiple uses

Including: document and content management systems, CRM and eLearning platforms, mail and project management software, and more.
Explore ready integrations

This integration of ONLYOFFICE Docs into the NetExplorer platform makes collaboration safer and easier. We enable our users to co-edit documents online while ensuring ultimate security and data sovereignty.

Bertrand Servary

General Manager at NetExplorer

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The technology behind it

ONLYOFFICE Docs is built in JavaScript using HTML5’s Canvas element and Node.js for server-side scripting.

Cross-browser compatibility

True WYSIWYG + 100% view, print, and pagination fidelity in all browsers.

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Flawless user experience on different devices

ONLYOFFICE Docs allows users to easily edit and collaborate on the go with any smartphone or tablet by switching to the mobile web version. Desktop editors for offline editing and native mobile apps for iOS and Android are available upon request.

Detailed integration via API and WOPI support

Easy integration via Web Application Open Platform Interface (WOPI) protocol or standard API. Every little detail you need to integrate ONLYOFFICE Docs into your app.

Compare integration via WOPI and API

Macros and plugins

Add missing functionalities or ask our developers to do so.

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White label

Provide an on-brand experience to your users: add your app logo, customize the editor interface, and choose to show or hide additional buttons.

Scalability and clustering

ONLYOFFICE Docs can be scaled for any number of users, even if you have thousands.

Client-side performance

Document processing in ONLYOFFICE Docs is performed on the client side. No user data is stored on the ONLYOFFICE server.

External access to document editing

ONLYOFFICE Automation API with the Connector class makes it possible to interact with office documents from the outside. You are able to get changes made in files using your own custom interface elements.

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Support for every step

Our team of experts is here to help you at every step. Have a pre-sale question? Contact us at or schedule a time to have our team call you. For any technical problem, message us at

Getting started is easy


Host on your own server (Docker, Linux, Windows)

Amazon Machine Image

One-click install, auto-update

Alibaba Image

Easy to install, auto-update

We chose ONLYOFFICE Docs because of their high compatibility with MS Office formats. We are happy to announce, as the integration is complete, work at PowerFolder is now more comfortable.

Christian Sprajc

CEO of PowerFolder

Learn more about ONLYOFFICE Docs Developer

White paper

ONLYOFFICE Docs load test report
Open report


How to embed fillable forms into a web page
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How mobile integration works
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