DokuBrain for Chrome — Document AI Assistant

Scan invoices from Gmail, analyze contracts, and chat with any PDF — all in one AI-powered browser sidepanel. Powered by DokuBrain.

DokuBrain for Chrome brings AI-powered document intelligence directly into your browser. Extract data from invoices, analyze contracts, chat with PDFs, and save everything to your DokuBrain document corpus — without switching tabs. WHAT IT DOES • Gmail attachment detection — Open an email and the sidepanel automatically detects attachments. Extract invoice fields or send documents to DokuBrain in one click. • PDF analysis — Navigate to any PDF in Chrome and instantly extract structured data: vendor names, amounts, dates, line items, and more. The AI classifies the document type and returns editable fields with confidence scores. • Chat with documents — Ask natural-language questions about the current PDF or across your entire DokuBrain corpus. Get cited answers referencing specific documents and pages. • Page capture — Capture text from any webpage and extract structured data or save to your corpus. • File upload — Drag and drop files directly from the sidepanel. Supports common document formats up to 50 MB each. KEY FEATURES • Context-aware sidepanel that adapts to what you're viewing • AI-powered document classification and field extraction • Editable results with confidence scoring • Export extraction results as JSON • Organize documents into DokuBrain projects • Conversation history with search and project filtering • Credit balance tracking GETTING STARTED Install the extension and click the DokuBrain icon in your toolbar Sign in with your DokuBrain account, create a new account, or connect with an API key Navigate to a PDF, Gmail, or any webpage Use the sidepanel to extract data, chat, or save documents PRIVACY • Only accesses Gmail pages to detect email attachments — does not read email content • Documents are processed through DokuBrain's secure API • Authentication tokens are stored in encrypted session storage • No data is sold or shared with third parties Requires a DokuBrain account. Create one for free at https://dokubrain.com