AI video tools are adding labels to the files they make. Some of these labels are hidden in the video file itself, as metadata that platforms and viewers can read. The best-known is C2PA, also called Content Credentials: a signed record that says which tool made the video and whether AI was used. Others are woven into the picture itself.

This guide explains which kind your video has, what you can remove, what you can't, and how to check a file before you post it.

Two kinds of AI label: in the file, or in the picture

Metadata labels sit in the file next to the video, like a label on a box. C2PA Content Credentials are the main one. There's also XMP data and the tool name some apps write into the file. They can be read by anyone with the right software, and they can be removed without touching a single frame.

Watermarks are part of the picture. There are two types:

  • Visible watermarks, like a logo in the corner. They're painted into every frame.
  • Invisible watermarks, like Google's SynthID. They're hidden changes in the pixels that a detector can find. You can't see them, and metadata tools can't touch them, because they aren't metadata.

Removing metadata removes the first kind only. Anyone who tells you a metadata tool removes SynthID or a visible logo is mistaken: those live in the frames.

Which AI video tools add metadata labels

It varies by tool, and tools change their behaviour over time:

  • OpenAI Sora adds C2PA Content Credentials to its videos, and also a visible watermark.
  • Adobe Firefly adds Content Credentials to what it generates, including video.
  • Google Veo marks its videos with SynthID, an invisible watermark in the pixels.
  • Other tools (Runway, Kling, Pika, Luma and others) differ by version and by plan. Some add C2PA, some add only an ordinary tool name, some add nothing.

Rather than trusting a list, check your own file. Drop it on our video metadata page. Without an account, it reads the file in your browser, without uploading it, and tells you if it found AI content labels (C2PA), hidden XMP data or software details.

Why it matters for social media

Several platforms read Content Credentials when you upload. TikTok, for example, has said it reads C2PA to add its "AI-generated" label automatically, and Meta's platforms use industry metadata standards for their AI labels. So a video carrying C2PA can get labelled even if you edited it heavily or only used AI for a small part.

For images, we tested this directly on Instagram. Nine real posts: every image carrying AI metadata was labelled, and every image without it was not, including two AI images that arrived from their generator with no metadata at all. Instagram labelled based on the metadata, not the pixels. We haven't run the same test on video yet, so we won't claim the same result there. But the mechanism, platforms reading C2PA, is the same one.

How to remove AI metadata from a video

With our video metadata remover

  1. Open the video metadata remover and drop your MP4, MOV, M4V, 3GP, MKV or WebM file.
  2. With a free account, click Clean. The file is cleaned on our server in Germany.
  3. Download the clean copy.

What happens to the file:

  • C2PA Content Credentials and XMP data are removed, along with the tool name, author, comments, dates, location and device details.
  • Only the video and sound are kept. Subtitles, cover art and extra data tracks are dropped.
  • Nothing is re-encoded. The frames and sound are copied across untouched, and we check each one against the original. Once the upload is done, even a large video is cleaned in seconds.
  • The clean file is read again to make sure no C2PA or other identifying data is left.

Your original is deleted as soon as it's cleaned. The clean copy is deleted after its one download, or after 15 minutes.

With ffmpeg (for people comfortable with the command line)

ffmpeg -i in.mp4 -map 0:v -map 0:a? -map_metadata -1 -map_metadata:s -1 -map_chapters -1 -c copy out.mp4

This copies only the video and audio, without re-encoding, and drops the file-level and per-stream metadata. The -map_metadata:s -1 part matters: without it, tags on the individual streams survive. And -map 0 (copy everything) is a common mistake, because it brings along the extra data tracks.

What about re-encoding or screen recording?

Re-encoding a video in an editor, or screen-recording it, usually drops the C2PA record, because most editors don't copy it over. But it costs you quality, adds your editor's own metadata, and does nothing about SynthID or visible watermarks either. Removing the metadata directly keeps the original quality.

A word on honesty

Removing metadata is legal and often sensible. Metadata can also carry your location, your device and your account details. But platforms have their own rules on disclosing AI content, and some require you to tick an "AI-generated" box when you post, whatever the file says. Removing a label from the file doesn't change what those rules ask of you. Check the platform's policy, especially for ads, news or anything that could mislead.

Frequently asked questions

Can you remove C2PA from a video?

Yes. C2PA Content Credentials are stored in the video file as metadata, separate from the frames. A tool that rewrites the file without them removes them completely, with no change to the picture or sound.

Does removing metadata remove SynthID?

No. SynthID is an invisible watermark inside the pixels of every frame, not metadata. No metadata tool can remove it. The same is true of visible watermarks and logos.

Will removing metadata stop the AI label on TikTok or Instagram?

It removes the metadata these platforms read, which is one of the main triggers for automatic labels. Platforms may also use other signals, and they may ask you to disclose AI content yourself. We have tested this on Instagram for images, where the label followed the metadata. We haven't yet tested video.

Does it lower the video quality?

No. The video and audio are copied across without re-encoding, and every frame is checked against the original.

How do I check if my video has C2PA?

Drop it on our video metadata page. Without an account, it reads the file in your browser and lists AI content labels (C2PA), XMP and other details it finds. Adobe's Content Credentials verify site can also show a C2PA record.

Which video formats work?

MP4, MOV, M4V, 3GP, MKV and WebM. AVI is not supported; convert it to MP4 first.