How to verify a viral video before sharing it

An eight-step method for checking where a video came from, what happened outside the frame, and whether its caption tells the truth. The goal is not to make a fast verdict; it is to avoid spreading an unverified claim.

Maintained by DetectFake · Updated 19 September 2026

The 8 checks

1. 1

   Pause before sharing or reacting

   Save the link, caption, account name, and upload time before the post changes or disappears. Write down the exact claim the video is supposed to prove. A dramatic clip can be authentic while its caption, date, location, or explanation is false.

2. 2

   Find the earliest available upload

   Search the account, distinctive words in the caption, and key frames for older copies. Prefer the earliest source you can trace, but do not assume that the first post you find is the original recording. Reposts often remove context and sometimes add a new audio track.

3. 3

   Check who published it and what they can know

   Look beyond a profile name. Is the uploader an eyewitness, an organization that identifies its sources, or an anonymous reposter? Check whether the account has a history of accurately labeling old footage, satire, simulations, or edited clips.

4. 4

   Verify the claimed date and place

   Compare visible landmarks, road signs, weather, season, clothing, language, and time of day with independent reporting. Look for an older event with matching details. A real video can be reused years later to make a false claim about a new event.

5. 5

   Inspect several frames, not a single screenshot

   Pause at clear moments and compare details across the clip: faces, hands, jewellery, text, shadows, reflections, and background geometry. Compression can create strange artifacts, so treat a visual oddity as a lead to investigate rather than a conclusion.

6. 6

   Check the audio and edit boundaries

   Listen for sudden cuts, mismatched room tone, unnatural lip movement, or a voice that does not fit the room acoustics. Captions, dubbed narration, cropped intros, and rearranged clips can mislead even when every individual frame is genuine.

7. 7

   Look for independent confirmation

   Search reputable local reporting, official statements, and other videos from the same time and place. Compare details instead of relying on accounts that merely repeat the same claim. No result is also information: keep the claim unverified if the evidence cannot be checked.

8. 8

   Use automated detection as one screening signal

   Run a copy of the clip through an AI video detector and record the result alongside source and provenance evidence. A detector can be wrong, and social-media compression, filters, screen recordings, and short clips reduce what it can assess. A score cannot establish truth or replace a forensic examination.

Useful tools, used carefully

• Google image search can help find similar images and webpages; search several clear video frames, not just one.
• Content Credentials can help inspect verifiable provenance information when it is present in the original asset.
• DetectFake’s AI video detector can surface forensic signals in sampled frames. Treat its result as one input alongside source verification.

FAQs