LRC to SSA Subtitle Converter

Quickly convert LyRiCs subtitles to SubStation Alpha locally in your browser. Timelines and subtitle content are never uploaded.

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What happens when converting LRC to SSA?

LyRiCs content is parsed into a unified millisecond timeline before being exported as SubStation Alpha. Valid timing and subtitle text are preserved.

SSA output uses a compatible SSA v4 default style while preserving subtitle text and timing.

LRC stores start times only. Lyrics sharing a timestamp share an end time, and offset metadata shifts the full timeline.

Format overview

About LRC and SSA subtitle formats

Learn what each file format is, how it is structured, where it is commonly used, and what to consider during conversion.

Source file format

LRC · LyRiCs

LRC, short for LyRiCs, is a synchronized lyrics format. A timestamp before each lyric line lets music players reveal lyrics as a song progresses.

File structure: A typical LRC line uses a [minutes:seconds.fraction] lyric-text structure. Files may also contain title, artist, album, and offset metadata, and one line can carry multiple timestamps.
Common uses: LRC is commonly used by music players, desktop lyrics displays, mobile music apps, karaoke lyrics, and tools for creating synchronized song lyrics.
Conversion notes: Standard LRC normally stores only the start time of each lyric line. When converting to a subtitle format, an end time must be inferred from the next valid lyric timestamp.

Target file format

SSA · SubStation Alpha

SSA, or SubStation Alpha, is a classic advanced subtitle format and the predecessor of ASS. It supports styling, positioning, and effects, with SubStation Alpha v4 being a common version.

File structure: SSA files use sections such as Script Info, V4 Styles, and Events. Subtitle events are normally stored in Dialogue lines, and classic v4 files commonly include a Marked field.
Common uses: SSA is often found in older subtitle-authoring software, legacy subtitle archives, early anime subtitle projects, and players that still support SubStation Alpha.
Conversion notes: SSA and ASS are related but not identical. Text and timing can be preserved when converting to simpler subtitle formats, while complex styles and effects normally cannot.