There are tools available, including from Meta (Facebook/Instagram) and YouTube, that allow creators to check for copyright issues in videos such as reels before publishing them.
Here, copyright check! This tool before publish your reels' videos!

Detect copyright violations while publishing videos - Sprinklr Help Center
Source: sprinklr.com
Key Evidence
Meta has added a Copyright Check option within the Reels composer tools to scan for possible violations before publishing.
socialmediatoday.comsocialmediatoday.comMeta Adds Copyright Check Into the Reels Composer on Facebook
YouTube's Copyright Match Tool identifies potential matches of other videos on YouTube to help creators manage copyright issues.
support.google.comsupport.google.comUse the Copyright Match Tool
Platforms like Instagram provide capabilities to detect copyright violations while publishing videos such as Reels or Stories.
sprinklr.comsprinklr.comDetect copyright violations while publishing videos
What the Evidence Shows
The input statement "Here, copyright check! This tool before publish your reels' videos!" suggests the existence of a tool that checks for copyright issues before publishing reels videos. This is largely accurate based on current information as of 2025.
Meta (which owns Facebook and Instagram) has integrated a copyright check feature directly into the Reels composer tool. This feature scans the content of your reel for potential copyright violations before you publish it, helping creators avoid infringement.socialmediatoday.comsocialmediatoday.comMeta Adds Copyright Check Into the Reels Composer on Facebook
YouTube offers a Copyright Match Tool that helps creators identify if their videos match other copyrighted content on the platform, allowing review and action before or after upload.support.google.comsupport.google.comUse the Copyright Match Tool Additionally, YouTube has introduced the ability to check videos for copyright claims prior to uploading.
reddit.comreddit.comr/youtube on Reddit: YouTube has added the ability to check your videos for...
Other platforms and third-party tools also provide mechanisms to detect copyright violations during or before publishing videos, including Instagram Reels, Stories, and Carousel videos.sprinklr.comsprinklr.comDetect copyright violations while publishing videos
Facebook Business Help resources provide guidance on how to check for copyright claims before publishing videos on Facebook and Instagram.facebook.comfacebook.comHow to check for copyright claims before you publish a
facebook.comfacebook.comAbout Copyright Check Before Videos are Published on
While these tools do not guarantee 100% detection of all copyright issues, they significantly reduce the risk of infringement by providing pre-publish checks.
Therefore, the statement is mostly true: such tools exist and are increasingly integrated into social media platforms to help creators verify copyright status before publishing reels or similar video content.