700mb.mkv

: This is a fast hex editor rather than a traditional text editor. It is "amazingly fast" for viewing the raw binary data of large files like MKVs and uses very little memory.

: These classic Unix-based editors are extremely efficient and can be tuned to handle large files rapidly, though they have a steeper learning curve. 700MB.mkv

: If you are on a Unix-like system (or using WSL/Cygwin on Windows), running strings yourfile.mkv will extract all sequences of printable characters, which is effective for finding metadata or embedded subtitles without loading the whole file as a "text" document. : This is a fast hex editor rather

Standard text editors like (which struggles beyond 512MB) or Notepad++ (which may hang near 2GB) are often unsuitable for a 700MB file. Instead, use these high-performance options: : If you are on a Unix-like system

: A Windows-based tool capable of opening and editing files in the terabyte range, featuring a binary mode that is useful for media containers like MKV. Strategies for "Solid Text" Processing

To work with a as though it were "solid text"—likely for the purpose of analyzing its raw data, searching for headers, or processing it with text-based tools—you need specialized software that can handle large binary files without crashing. Recommended Tools for Handling Large Files