File with H264 extension contains video data encoded using H.264 compression standard. Usually it is just a MP4 file. This format is frequently used by various specialized devices – digital cameras, high-resolution DVD recorders, etc. H.
File with WEBM contains multimedia data as a Matroska container. The format was developed with support from Google in 2010 as a free, open format for internet-related purposes.
After converting the file to the new format, you will be able to use other programs to support it. Keep in mind, however, that the H264 file after converting to WEBM may differ slightly from the original. The most important information should be kept, but if you want the file after conversion from H264 to WEBM to be the same, you have to do this carefully and choose the proper application from the list below.
There is no guarantee, of course, that the conversion will come up to all your expectations, but it will certainly help you. If, after all, the effect of converting H264 to WEBM does not meet your expectations, you can simply try to find on the Internet a different version of your file in H264 format, properly converted to a WEBM file by someone else. If this fails, use the information provided in the further part of the website.
If after converting the file H264 the desired result was not achieved, you can try to change the format of H264 file to other than WEBM. On our website you will find more information on the following conversion options
Unfortunately, if after performing the two previously described steps (trying to find your H264 file converted by someone else, and the attempt to convert it to WEBM on your own) you still have a problem with your file, then there are only a few solutions left. You can once again try to find and install an application that can open the H264 file in its original format (without conversion to WEBM file). Such a solution will be difficult to implement, but it certainly will give the best result.