Convert ASS / SSA to SRT
Drop in a ASS / SSA file and get clean, valid SRT back in milliseconds. Runs entirely in your browser — your file never uploads.
Input
ASS / SSA file
Subtitle file
Output
SRT file
Spec-compliant
- Runs 100% in your browser — nothing uploads
- No file size limits
See it in action
ASS / SSA in, SRT out
What you put in → what you get back
ASS / SSA input
What you provide
[Script Info] ScriptType: v4.00+ [V4+ Styles] Format: Name, Fontname, Fontsize, … Style: Default,Arial,24,&H00FFFFFF,… [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:12.34,0:00:15.78,Default,,0,0,0,,Hello, it's me Dialogue: 0,0:00:15.78,0:00:19.20,Default,,0,0,0,,I was wondering if after all
SRT output
What you receive
1 00:00:12,340 --> 00:00:15,780 Hello, it's me 2 00:00:15,780 --> 00:00:19,200 I was wondering if after all 3 00:00:19,200 --> 00:00:22,840 these years you'd like to meet
Step-by-step guide
How to use this tool
- 01
Paste or drop ASS / SSA
Any valid ASS / SSA file works — paste the text or drag the file in.
- 02
Hit Convert
We parse the ASS / SSA structure and emit valid SRT.
- 03
Verify the output
Compare side-by-side. Use the Switch Direction button to round-trip and sanity-check.
- 04
Download SRT
Filename auto-suffixed with .srt so it's ready to drop into your editor.
Key features
Why use this tool
100% in your browser
We never see your file. Conversion runs as JavaScript in the page you're reading.
Round-trip safe
Convert ASS / SSA → SRT → ASS / SSA and you should get the same content back, line-for-line.
Spec-compliant output
SRT files validate against the SRT reference parsers.
Bidirectional
Reverse direction (SRT → ASS / SSA) is one click away — no need to bookmark a different page.
Common use cases
Who this tool is for
From ASS / SSA
Aegisub, MPC-HC, MPV with libass, OBS Studio.
To SRT
YouTube, VLC, MPV, Premiere Pro, Final Cut Pro.
Localization workflows
Translate once in your preferred format, ship to every platform.
Format mismatch fixes
Got a file in the wrong format? Convert in seconds, no editor required.
Questions answered
Frequently asked questions
Need to go the other way?
SRT → ASS / SSA works the same way — we even have a button to switch direction.