SUB File — Open & Convert .sub Online
What Is a .sub File?
SUB (.sub) is a subtitle file format. MicroDVD Subtitle Created by Various, this format is essential for professionals.
How to Open .sub Files
Upload your .sub file to OpenAnyFile and instantly open and inspect it in your browser. No software installation required. Works on Windows, macOS, Linux, iPhone, and Android.
Everything About SUB Files
Popular SUB Conversions
Frequently Asked Questions
What is a .sub file?
A .sub file is a subtitle format called SUB. MicroDVD Subtitle
How do I open a .sub file without installing software?
Upload your .sub file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .sub files?
.sub files are typically created by Various.
Can I convert .sub to another format?
Yes. OpenAnyFile converts .sub to SSA, TTML, VTT, SRT, TXT.
Is it safe to open .sub files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .sub on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.