Converters SRT ⇄ ASS Converter

SRT ⇄ ASS Converter

Convert SubRip (.srt) subtitles to Advanced SubStation Alpha (.ass), or ASS back to SRT, for files up to 200MB.

Upload .srt

SRT input

Output

[Script Info]
ScriptType: v4.00+
WrapStyle: 0
ScaledBorderAndShadow: yes
YCbCr Matrix: TV.601

[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,0,2,10,10,10,1

[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:01.00,0:00:04.00,Default,,0,0,0,,Hello there
Dialogue: 0,0:00:05.00,0:00:07.50,Default,,0,0,0,,How are you?

Or convert a file directly — supports files up to 200MB

Drag & drop a file here, or click to browse

Processed in the background, so the page stays responsive even for huge files

How to use this tool

Pick a direction, paste or upload your file — the result updates instantly as you type. SRT → ASS wraps your cues in a minimal, valid [Script Info] / [V4+ Styles] / [Events] structure with a default style so the file opens correctly in players like VLC or Aegisub. ASS → SRT extracts just the dialogue timing and text, stripping style overrides. Runs entirely client-side.

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