Fact-check screenshot and image-caption claims on Chrome before resharing them.
Start with one visible claim from a screenshot, image caption, alt text, chart image, meme, copied OCR text, or quoted image post, then run a FactSentinel first-step source check before you cite, publish, forward, or repost it.
Start with the exact text carried by the image.
Screenshots and captions often strip away account history, timestamps, source links, article context, chart axes, and original wording. A practical Chrome workflow starts by selecting the caption or transcribing one visible claim, then checking whether the source trail supports that wording.
1. Preserve image context
Keep the caption, alt text, visible screenshot text, account or publisher name, date, linked source, chart labels, surrounding post text, and where the image appeared before paraphrasing it.
2. Run FactSentinel
Review source trails, caption context, screenshot provenance clues, date/account context, caveats, confidence, reasoning, and model agreement while the page remains open in Chrome.
3. Share cautiously
Open the source trail and decide whether to cite with context, ask for the original source, compare the caption with the evidence, hold for manual review, or avoid resharing.
Image-carried claims worth slowing down for.
Start where context can change the next action. A screenshot may be real but old, cropped, captioned inaccurately, detached from the original source, or paired with a claim the image does not support.
Screenshot text
- Quote cards, chat screenshots, cropped headlines, and post screenshots.
- Numbers, dates, names, or official-sounding claims copied from an image.
- Screenshots where the original URL, timestamp, or account context is missing.
Captions and alt text
- Image captions that make claims about a person, location, product, event, or study.
- Alt text, generated descriptions, and copied OCR text that may drift from the source.
- Captioned memes where the joke depends on a factual claim.
Charts and visual summaries
- Chart screenshots where axes, date ranges, geography, or denominators matter.
- Infographics that cite unnamed reports or hide methodology.
- Visual summaries that need original-source context before sharing.
What the check should surface before you trust the image.
The goal is not to authenticate the image. The goal is to slow the trust decision long enough to inspect source trails, caption context, screenshot provenance clues, date/account context, caveats, and cautious share language.
Source trails and context
- Source links tied to the exact caption, screenshot text, chart label, or copied OCR claim.
- Date/account context preserved for the image-carried claim.
- Caveats when source support is stale, missing, cropped, or mismatched.
Provenance clues
- Whether the claim points back to an article, report, transcript, product page, or official source.
- Whether the caption changes the meaning of the visible image text.
- Where manual reverse-image, account, or media-forensics review still matters.
Cautious share language
- Share only with source, date, caption, and screenshot context.
- Ask for the original post, report, chart, or image source.
- Avoid resharing when the image has no reachable source trail.
Related source-aware workflows.
Use the quote-attribution page for quote cards and paraphrases, social and video pages for viral visual posts, press-release and technology pages for announcement screenshots, product and economics pages for shopping and chart images, research-study and political pages for evidence-heavy captions, newsroom, researcher, and classroom pages for review workflows, news and source pages for citation trails, hallucination page for generated captions, and the fake-sources case study for a concrete first-success walkthrough.
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- Chrome fact checker for educators and classrooms
- How to fact-check news articles on Chrome
- Verify AI-generated sources on Chrome
- Check AI hallucinations on Chrome
- First-success fake AI sources case study
- How to fact-check on Chrome
- Fact-check social media posts
- AI source checker
Install, then check one image-carried claim.
Open the download page, install the Chrome extension, and run a first-step check on one screenshot line, image caption, alt-text claim, chart label, meme sentence, or copied OCR claim before citing or resharing it.