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Description
Check the source of highlighted text, images and posts: Google AI by default, your own key, or a local model. WhatsYourSource answers one question about anything you read online: is this true, and where can I find the source? HOW IT WORKS 1. Highlight a sentence, a quote or a statistic. A small "Check source" chip appears (or press Alt+Shift+S, or right-click). 2. The side panel opens and the AI you chose searches the web, reads the sources and writes a short assessment. 3. You get a verdict with its confidence, the likely original source (who said it first, where, when), each claim marked supported / disputed / misleading / unverified, and the actual links that were read. Only links the search engine returned are clickable; anything the model merely "remembers" is labelled as unverified. CHECK MORE THAN TEXT • Images: right-click → Check source of this image. Metadata (EXIF, Content Credentials, AI-generator hints) is read on your device first, then the image is checked for its earliest appearance. One-click reverse image search on Google Lens, TinEye, Bing and Yandex. Images you have checked before are recognised. • Posts: right-click anywhere in a social post → Check source of this post. The post's text, links and images are checked together. • Links and pages: right-click a link → Check source of linked page; check the page you are on; or paste any text or link into the panel. EVIDENCE THAT DOES NOT DEPEND ON THE AI • Already fact-checked? Published fact-checks from PolitiFact, Snopes, AFP, Full Fact and hundreds more appear above the verdict (free Google Fact Check Tools key). • When was it first seen? Wayback Machine dates for the page and the original source. • Who is the outlet? Reputation ratings from Wikipedia's perennial-sources list, shipped inside the extension. • The case on each side: the strongest evidence for and against, what the post leaves out, and what would change the verdict. YOU CHOOSE THE AI • Google AI (Gemini) with your own free key - Google Search grounding; answers and sources appear in the panel. Default. • Google AI Mode on the web - no key, no setup: your selection opens on google.com. • Your own frontier model - Claude, GPT or any OpenAI-compatible API key. • A local model on your device - Ollama or LM Studio, paired with a search tool (SearXNG, Brave, Tavily) so it can find sources. Nothing leaves your machine except the searches you allow. You can set a default and a fallback, ask a second provider for a second opinion, and switch any time. YOUR HISTORY, ON YOUR DEVICE Every check is saved locally with a copy of the page as it was when you checked it, with your highlight marked. Search your history, add notes, re-check when sources change, export a check as a self-contained HTML file. PRIVACY • Nothing is sent anywhere until you press Check. Then only the selection (or image, or page URL) goes to the one provider you configured, with your own key. Every result shows exactly what was sent, and to whom. • No accounts, no servers of our own, no analytics, no telemetry. • API keys are stored locally, never synced, and never read by the script that runs on web pages. • The chip can be turned off globally or per site. Open source (MIT): https://github.com/AES256Afro/WhatsYourSource