Factagora

Fact Check on YouTube

Real-time fact-checking for everything you watch, read, and hear.
Verdicts with sources, in seconds.

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Instant Verify Mode

Highlight any claim.
Get an instant verdict.

Just drag to select any text on any website, and DeepVerify checks it against trusted sources on the spot, showing you a confidence level and flagging anything that doesn't hold up.

Auto-Detect Mode

Don't miss a single claim on the page.

DeepVerify automatically scans any webpage, pulls out factual claims, and highlights the ones worth a closer look, giving you a full picture of what needs verifying before you dive in.

Live Audio Mode

Fact-check conversations as they happen.

Capture your microphone or the audio playing in the current tab, and DeepVerify transcribes it in real time. Claims are picked out and checked the moment they're said, so you get a verdict while the conversation is still going. It's ideal for livestreams, webinars, and calls where there's no time to pause and look things up.

YouTube Exclusive

Features Only Available on YouTube

DeepVerify's YouTube integration unlocks verification features you won't find anywhere else.

Timestamp-Based Navigation

Every claim carries the exact moment it was said, like 0:15 or 2:34. Click on any claim and the video jumps straight to that point, synced live with playback, so you never have to scrub through a long video hunting for context.

Automatic Transcript-Based Claim Extraction

DeepVerify pulls the video's full captions, including auto-generated subtitles, and lets AI sort through the entire transcript to isolate the claims worth checking. Nothing gets missed, no matter how long the video runs, and this only works because YouTube provides a complete transcript to draw from.

Real-Time Verification Progress

Watch each claim move through the process live, from detected to verifying to a final verdict of Verified, False, or Uncertain. You're not just getting an answer, you're watching the fact-check happen, something only possible with YouTube's automatic verification.

Misinformation Pause Alert

When the video reaches a false claim, playback pauses on its own and a warning appears on screen, mascot included, before you can keep watching without noticing. It catches misinformation before it has a chance to influence you, and it's a safeguard that only exists on YouTube videos.

For Everyone

DeepVerify for Everyone

No matter who you are, DeepVerify helps you verify information with confidence.

Researchers & Students

Researchers & Students

"Every source gets checked before it goes into my work."

Verify claims and citations in minutes, not hours — before they end up in papers, theses, and reports.

Investors & Finance Professionals

Investors & Finance Professionals

"One wrong number can cost millions."

Check financial claims against primary sources before the money moves.

Journalists & News Readers

Journalists & News Readers

"I verify before I publish — or share."

Catch misinformation at the source, before it spreads across feeds and timelines.

Creators & Streamers

Creators & Streamers

"My audience fact-checks me in real time. I check first."

Back every on-air claim with cited sources — even mid-stream with Live Audio Mode.

Pricing

Choose the plan that fits your verification needs

Free

$0/mo
  • 3 docs/day, 20/month
  • 5 auto-verified claims per doc
  • Free re-checks for the same doc, same day
  • No Live STT
  • History stored locally only
Get Started
Most Popular

Pro

$30/mo
  • 10 docs/day, 150/month
  • 20 auto-verified claims per doc
  • 300 min/month of Live STT
  • Server-synced history + Then/Now
  • All sources (YouTube, web, selection, Live)
Upgrade

Max

$220/mo
  • 60 docs/day, 1,000/month
  • Unlimited claims per doc
  • 1,200 min/month of Live STT
  • Priority processing + history export
  • Verdict audit reports (coming soon)
Upgrade

FAQ

Frequently Asked Questions

Have a question? We've got answers. If you don't find what you're looking for, feel free to contact us.

View Documentation

DeepVerify is a Chrome extension that automatically detects factual claims in YouTube videos, articles, and any webpage, then cross-references them against trusted sources using AI. Each claim is classified as Verified, False, or Uncertain with a confidence score and cited sources, so you can decide what to trust without leaving the page.

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