Gemini Files API — Browser Tester

Full client-side round trip with no proxy or server: upload a PDF, ask Gemini questions grounded on it, then delete it. Works opened as a local file (file://) or served over http://localhost.

This page's origin:

Gemini API key

Your key stays in this page and is sent only to Google's API. It is not stored or logged.

Step 1 · Upload a PDF

Server PDF path (when served on localhost)

…or pick any PDF from this computer (works from file:// too)

Current uploaded file:

none yet

Step 2 · Chat about the file

Model

Step 3 · Delete the file

Uploaded files also auto-delete after 48 hours; this removes it immediately.