Document is an open-source, local-first browser editor for Word, Excel, PowerPoint and PDF files, with an experimental AI assistant, built for anyone who needs to open, edit and convert office documents without installing Microsoft Office or creating an account.

What it is

Document is a TypeScript document workspace that runs in the browser and handles four office formats: docx word-processing files, xlsx and csv spreadsheets, pptx presentations, and PDFs. Core document processing runs locally on the device, so opening, editing and converting a file does not require an upload. It is licensed under AGPL-3.0 and sits in this registry's AI & Machine Learning / AI Interaction & Interfaces category. It can be used at the hosted site edit.chaxus.com, installed as a PWA, self-hosted as a static site, or embedded in another application through an iframe API.

The problem it solves is the pair of dependencies that normally accompany office document work: a local Microsoft Office installation and an account-based, upload-first cloud service. Document removes both for the formats it supports, keeping processing client-side and no-server while still allowing export. Files can be written back to a chosen location where the browser supports this, or downloaded as an export, and recent work can be reopened from the same browser. Recovery copies stay in that browser for seven days after the last edit or open, can be deleted from the Saved documents page, and are explicitly not a backup.

Key capabilities

• Edit docx documents, xlsx and csv spreadsheets and pptx presentations in the browser, and annotate, fill and export PDFs.
• Also open doc, odt, rtf and txt documents, xls and ods spreadsheets, and ppt and odp presentations, and export supported documents to PDF.
• Use an optional AI assistant (Experimental Beta, off by default) that drafts and refines text, works with spreadsheet data, creates slides or answers questions about the current PDF page, with changes reviewed before applying and Undo available.
• Choose an on-device model or connect a separate AI service, and dictate prompts in browsers that support speech input.
• Drive document actions from browser agents through WebMCP, letting compatible agents open, convert and export files and read text from word-processing documents.
• Install as a PWA whose cached editor resources work offline, or embed the editor in another app through its iframe API.

Who uses it and how

• Individuals editing office files on a machine with no Office installation and no account.
• Users on unreliable networks who install the PWA and rely on cached editor resources, since uncached resources and remote files still need a network.
• Teams that self-host the static site or run the container so document handling stays on their own infrastructure.
• Application developers embedding the editor through the iframe API, including host apps that handle embedded exports themselves.
• Users of WebMCP-compatible browsers who let an AI agent open, convert and export files.

Getting started

The quickest route is the hosted editor at edit.chaxus.com, which offers new-document links for docx, xlsx and pptx. To run a private copy, use the published container image with docker run -d --name document -p 8080:80 ghcr.io/ranuts/document:latest, or self-host the static site following docs/reference.md.

How it compares

The registry facts name OnlyOffice as a related topic tag, which places Document among browser-based office editors targeting the same docx, xlsx and pptx formats. No list of paid products that this project replaces appears in the facts, so no licence, self-hosting or cost contrast is drawn here.

When to use it — and when not to

A self-hoster must run the container or static site, and must accept that offline use depends on cached editor assets, that in-browser recovery copies expire after seven days and are not a backup, and that embedded exports are handled by the host application. The AI assistant is an Experimental Beta that is off by default and can produce wrong answers or edits, so anyone needing guaranteed output should verify results or leave it disabled. Anyone who must edit legacy formats such as doc, xls and ppt rather than only open them should look elsewhere, since those are listed as open-only.

docker run -d --name document -p 8080:80 ghcr.io/ranuts/document:latest

git clone https://github.com/ranuts/document.git
cd document
pnpm install --frozen-lockfile
pnpm run dev