| SRT | ASS | |
|---|---|---|
| Compression | Lossless | Lossless |
| Metadata | - | - |
| Open / royalty-free | ✓ | - |
| Defined by | - | - |
| Since | - | - |
| Best for | subtitles for any video player | styled or karaoke subtitles |
SRT
The simplest subtitle format. Every player reads it.
ASS
Styled subtitles with positioning and effects. Big in anime fansubs.
Questions
SRT or ASS: which is smaller?
It depends on the content; see our measured benchmarks on the conversion pages.
Can I convert SRT to ASS?
Yes, in your browser, nothing uploaded.
And ASS to SRT?
Yes, as well.