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ONLYOFFICE

Secure Online Office·onlyoffice.com

ONLYOFFICE is an office suite for creating, editing, and collaborating on text documents, spreadsheets, presentations, PDFs, and fillable PDF forms, highly compatible with MS Office formats. It can be used online through ONLYOFFICE DocSpace, embedded into other web platforms via 40+ integrations, built into a developer's own application, or run offline via free desktop and mobile apps. The suite includes real-time co-editing, document comparison, chat and video calls, AI-assisted content generation, and multiple layers of encryption and access control.

What it's for

View, edit, and collaborate on documents, spreadsheets, and presentationsBuild fillable PDF forms and fill them in onlineRead and edit PDFs, export/import to/from PDFConvert documents to Markdown and HTMLTurn textbooks into e-booksView and navigate diagramsCo-edit documents at character and paragraph levelCompare and review documents with tracked changesCommunicate via built-in chat, Telegram, or audio/video callsGenerate documents, sheets, slides, and PDF forms with AIIntegrate document editing into a third-party web platform or custom applicationEdit documents offline on desktop or work on the go via mobile apps

Features 24

40+ ready integrations with platforms like Box, Moodle, Nextcloud, Odoo, and WordPress
AES-256 encryption at rest and end-to-end encryption in Private Rooms
AI text, image, and code generation
AI translation, rewriting, and grammar/spelling checks
AI-powered generation of documents, sheets, slides, and PDF forms
Audio and video calls via Jitsi or Rainbow
Audit trail and login history tracking
Built-in chat and Telegram messaging
Character- and paragraph-level co-editing
Comments and mentions
Connection to custom or local AI models
Diagram viewing and navigation
Digital signatures and document watermarking
Document comparison and change tracking
Document conversion to Markdown and HTML
E-book creation from textbooks
Fillable PDF form creation and completion
Mobile apps for iOS and Android
Offline desktop editors for Windows, Linux, and macOS
Online editing of text documents, spreadsheets, and presentations
PDF viewing and editing with export/import
Room-based collaboration via DocSpace
Text extraction from scanned PDFs
Two-factor authentication and Single Sign-On (Shibboleth, OneLogin, AD FS)

At a glance

free tieropen sourceself-hostableAPI

TypeWeb app

DeploymentHybrid

PlatformsWeb, Windows, macOS, Linux, iOS, Android

Forbusinesses, developers, educators, students, non-profits

CompanyAscensio System SIA · 2009

Integrations

BoxMoodleNextcloudOdooWordPressTelegramJitsiRainbowGoogle DriveOneDriveDropboxAWS S3Google Cloud StorageRackspace Cloud StorageSelectel Cloud StorageClickatellSMSCTwilioGoogle AuthenticatorAuthyShibbolethOneLoginAD FSHackerOne

Complianceself-reported

GDPRHIPAA

Resources

Docs

Pricing

A free Startup plan of DocSpace Cloud is available with unlimited users and no credit card required; pricing for paid Business or Enterprise plans is not shown here.

StartupFree

Free tier of ONLYOFFICE DocSpace Cloud; no credit card required to sign up

Free plan of ONLYOFFICE DocSpace Cloud; allows inviting an unlimited number of users and guests