Convert 265 to WEBM

About 265

This is a raw video stream encoded with the H.265/HEVC codec, using the '.265' file extension. It is functionally identical to a '.hevc' file. It contains the highly compressed video data without any audio or container information. It is used in professional workflows before the final video file is assembled.

About WEBM

WebM is a video format sponsored by Google, designed specifically for the web. It is royalty-free and open-source, created to provide a high-quality, efficient alternative to patented formats like MP4 (H.264). It typically uses VP8 or VP9 video codecs and Vorbis or Opus audio codecs. WebM is optimized for streaming and is used heavily by YouTube.

265 vs WEBM

Feature265WEBM
Streaming Supportfalsetrue
Subtitle Supportfalsetrue
DRM Supportfalsefalse
Quality Rating55
Patent Statusheavily patentedroyalty-free
Year Introduced20132010
Developed ByITU-T/ISO/IECGoogle

Frequently Asked Questions

Why do some files use .265 instead of .hevc?

It is simply an alternative file extension for the same type of raw H.265 video stream. There is no technical difference.

Is a .265 file smaller than a .264 file?

Yes, for the same source video at the same visual quality, the .265 file will be significantly smaller (often about half the size) than the .264 file, thanks to the superior compression efficiency of the H.265/HEVC codec.

Is WebM better than MP4?

For web use, WebM can provide better compression (smaller file sizes at the same quality) than MP4 (using H.264). However, MP4 still has broader hardware support. For maximum compatibility across all devices, especially Apple devices, MP4 is often the safer choice, but WebM is an excellent, open alternative.

What is the main advantage of WebM?

Its main advantage is that it is a completely royalty-free and open-source format. This means developers and companies can implement it in their products without paying licensing fees, which is a major issue with codecs like H.264 and H.265.

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