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KONI-Forms

Document-grounded browser agent

An in-browser agent that selectively retrieves information from attached documents and completes real-world web forms.

Web Agents · Document AI · Browser Agents 2026 KISTI

Overview

KONI-Forms is a Chrome extension (MV3) that fills a web form from a document you attach to it. You open the form, attach a DOCX or PDF, and tell the agent what to do; it reads the document inside the browser and completes the fields, leaving login and final submission to you.

Problem

Filling a web form from a document is mostly transfer work: find the value, type it into the right field, repeat. A general browser agent does this badly for two reasons — it cannot see the document, and when a value is missing it invents a plausible one. The second failure is the dangerous one, because a fabricated field looks exactly like a correct one.

System

The extension adds a document layer to the browser agent: attached files are parsed in-extension and retrieved selectively, so the agent works from the source rather than from memory of it. Planner and Navigator roles are configured separately, and the agent acts in the user’s own tab rather than a remote browser.

Key mechanism

A value the document does not settle becomes a question to the user, not a guess. This user-intervention loop is what separates a transfer tool from a plausible-text generator.