How to Fact Check News Online: 5 Methods That Actually Work

· Updated March 28, 2026 · Anuranjan Vikas · 3 min read
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You can fact-check most claims in under 60 seconds using free tools. The fastest method: paste the claim into an AI fact-checker like Kaval, which cross-references 145+ trusted sources including Reuters and AP News, and returns a sourced verdict with confidence score. For manual verification, cross-reference wire agencies and use reverse image search.

Here are five methods that actually work.

1. Check the Source

Before sharing or believing any claim, check where it came from.

  • Look at the domain. Sites like reuters.com and apnews.com are wire agencies with editorial standards. Sites with unusual domains (extra hyphens, misspelled names, .info endings) often signal unreliable sources.
  • Check the About page. Legitimate news outlets identify their editors, ownership, and contact information. Missing or vague About pages are a red flag.
  • Search the author. Does the journalist exist? Do they have a track record of credible reporting?

2. Cross-Reference With Wire Agencies

Wire agencies like Reuters, AP News, and AFP are the original sources for most breaking news. If a major event happened, these agencies will have reported on it.

Search the claim on at least two of these:

If none of them are covering a story that claims to be major breaking news, that’s a strong signal something is off.

Viral images are frequently taken out of context. An image from a 2019 protest might be recaptioned as a 2026 event.

To check an image:

  1. Right-click the image and select “Search image with Google” (or use Google Lens)
  2. Look at when and where the image first appeared online
  3. Compare captions across different uses of the same image

If the image predates the claimed event, it’s being used out of context.

4. Use Dedicated Fact-Checking Tools

Several free tools exist specifically for verification:

  • Kaval — AI-powered fact checker that cross-references claims against 145+ trusted sources and provides a verdict with confidence score. Also detects deepfakes and checks URL safety. Available on web and WhatsApp.
  • Google Fact Check Explorer — Searches fact-checks published by verified organizations worldwide.
  • Snopes — One of the longest-running fact-checking sites covering viral claims and urban legends.

The advantage of AI-powered tools like Kaval is speed: paste a claim and get a sourced verdict in seconds, instead of manually searching multiple sites.

5. Check for AI-Generated Content

With the rise of generative AI, synthetic images, videos, and articles are increasingly common. Look for:

  • Images: Unnatural skin texture, warped backgrounds, inconsistent lighting, extra fingers or distorted hands
  • Videos: Lip-sync issues, flickering around face edges, unnatural eye movement
  • Text: Overly formal tone, generic phrasing, factual claims without specific sources

AI-generated content detection tools like Kaval’s deepfake detector can analyze images and flag synthetic content with high accuracy.

Quick Checklist

Before sharing any news or claim, run through this:

  1. Is the source credible and identifiable?
  2. Are wire agencies (Reuters, AP, BBC) reporting the same thing?
  3. Is the image original and in the right context?
  4. Does a fact-checking tool confirm or deny the claim?
  5. Could the image or video be AI-generated?

If a claim fails two or more of these checks, don’t share it.

The Bottom Line

Fact-checking doesn’t have to be time-consuming. A 30-second check can prevent you from spreading misinformation to hundreds of people. Tools like Kaval make this even faster by automating the cross-referencing process.

The best defense against misinformation is a habit: verify before you share.