There are maybe thousands of anime movies out there. Due to its animation style, it’s hard to distinguish each anime name correctly.
Instead of asking to the anime forum, you can take advantage of this useful online tool to identify nearly any anime title for free. Thanks to the Color Layout Descriptor technology that makes this feature possible.
Here you will get anime title based on screenshot or GIF you hook as the input. Youtube screenshot would also work well in this case.
How to find anime name from screenshot
1. Make sure you already have a good quality screenshot, then visit WAIT: What Anime Is This? web page.
2. Click on the Browse a file to select your screenshot. You can also use image URL instead.

3. After the screenshot uploaded, click the Search button to proceed to the analyzing stage.
Please note you may see various result due to the similarity of color and scene even though it wasn’t what you wanted.

4. Now, you can see the results at the left sidebar. The most accurate title should be located on the top list.

Other than that, this tool will show you additional information about the anime, such as its’ rating, genre, studio, and poster.

Please keep in mind that WAIT is not providing an online watch about the regarding anime. They simply just shows the title and description, not more than that.
According to its creator, the tool should easily identify anime which released above 2000. Most old Japanese anime isn’t available in their database (but the popular ones maybe available) thus you cannot rely on it for searching old animes.