Convert ASS files

Convert ASS (ASS Subtitle) files into 3 formats, right in your browser. .ass · text/x-ssa

About this format

Advanced SubStation Alpha, from the anime fansub world. Font, colour, position, motion, even karaoke — the most expressive subtitle format, and correspondingly complex.

What it can hold

Lines and timings
Font, colour, size, outline
Position, rotation, motion
Karaoke effects

What it cannot

Simplicity
Web support

When you convert it

ASS → SRT	All styling gone; lines and timings only. Enough in most cases.
ASS → VTT	Some position survives; other styling is lost.

When it will not open

Looks different — the font named in the file is not installed
Some players cannot render the effects

In one line Sending ass subtitles to someone? Convert to srt. No font worries.

Convert this format into · 3

ASS→LRC ASS→SRT ASS→VTT

Convert into this format · 7

LRC→ASS SCC→ASS SMI→ASS SRT→ASS SUB→ASS SUP→ASS VTT→ASS

Frequently asked questions

How do I convert a ASS file?

Drop the file into the window, pick the target format, and download the result. No account required.

Do I need to install anything?

No. It runs in your browser. A Windows installer is available separately if you prefer one.

What if the format I want isn't listed?

Every engine's capabilities are merged into a single graph, so unlisted pairs are chained automatically through intermediate formats along the least-lossy route.