Google Unveils AI File Upload Feature for Enhanced Search Experience
December 16, 2025
For now, the upload tool is desktop-only for U.S. users and supports images and documents, which are analyzed by Google’s Gemini-based AI to generate insights, explanations, or actionable guidance.
In practical terms, uploads enable targeted explanations and steps across daily activities such as home repairs, schooling, cooking, shopping, travel, and health.
Google has introduced a new plus button on the Search homepage that lets users upload files directly into AI Mode, routing queries to an AI-powered conversation rather than traditional search results.
The feature ties into AI Mode and AI Overviews, emphasizing task-oriented uses of Google Search and a shift toward multimodal, AI-assisted interactions.
Industry observers say the capability democratizes file-based queries by removing the need for API keys or technical setup, potentially altering how users seek information and how publishers receive traffic.
Privacy and processing notes indicate much analysis is described as on-device or locally processed where feasible to protect user data and speed.
Early reception characterizes the feature as highly capable and potentially transformative, suggesting a long-term shift in how people use search.
SEO and content dynamics may shift from keyword-based discovery to input-based discovery, encouraging better visuals and structured content and affecting publishers of visual material.
Plans are to extend the rollout to all AI Mode-enabled areas in the near term, expanding beyond the current desktop exposure.
A tested example with a security grant document illustrates practical utility for current AI Mode users and newcomers wary of AI.
Users can upload various file types—images, PDFs, documents—and receive explanations, summaries, or actionable guidance, with examples ranging from error messages to contracts and recipes.
The rollout is desktop-first and visible across devices in Incognito mode, with mobile support not yet available at the time of reporting.
Summary based on 8 sources
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Sources

PCMag • Dec 16, 2025
Google Quietly Adds Another AI Trick to Its Search Bar
9to5Google • Dec 15, 2025
The Google Search homepage adds a ‘plus’ menu
Lifehack • Dec 16, 2025
Google Search Just Added an AI Upload Button, and Searching Will Never Be the Same
Android Central • Dec 16, 2025
Google's new 'Plus Button' simplifies AI-powered searches: What you need to know