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ASS to LRC Converter

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ASS
[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, world!
Dialogue: 0,0:00:04.50,0:00:08.00,Default,,0,0,0,,This is a subtitle file.
Dialogue: 0,0:00:08.50,0:00:12.00,Default,,0,0,0,,Converted locally!
LRC
[00:01.00]Hello, world!
[00:04.50]This is a subtitle file.
[00:08.50]Converted locally!

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Free Online ASS to LRC Converter

Our ASS to LRC converter transforms Advanced SubStation Alpha subtitle files into LRC (lyrics) format, where each line is preceded by a [mm:ss.xx] timestamp tag. All dialogue text and timing are preserved, while ASS override tags, style assignments, and vector drawing commands are stripped. LRC is the de facto format for timed lyrics in music players such asfoobar2000, AIMP, and many karaoke apps, so this conversion is ideal when you want to reuse subtitle text as song lyrics.

Input Format

ASS

ASS (Advanced SubStation Alpha) is a powerful subtitle format with structured headers, style definitions, and dialogue events. It supports override tags for fonts, colors, positioning, effects, karaoke timing, and vector drawing. ASS is widely used in anime fansubbing and professional subtitle production.

Output Format

LRC

LRC is a lyrics format where each line of text is preceded by a timestamp tag in the form [mm:ss.xx] (or [mm:ss.xxx]). It carries no styling or positioning - only the line text and its start time. LRC is the standard timed-lyrics format supported by most music players and karaoke applications.

Features

Strips all ASS styling headers including [Script Info], [V4+ Styles], and [Events] sections
Removes ASS override tags like {\i1}, {\b1}, {\c}, {\k} completely from dialogue text
Extracts clean dialogue text from ASS Dialogue lines, preserving original content
Converts ASS centisecond timestamps (0:01:30.50) to LRC [mm:ss.xx] format
Handles ASS karaoke timing tags by extracting line-level start times for LRC
Produces lightweight LRC files ideal for music players and karaoke software
Client-side processing - no uploads, complete privacy
Free with no sign-up, no watermarks, no file size limits

Why Convert?

ASS files from anime fansubs and Aegisub projects contain complex styling that music players cannot parse, while LRC provides clean timestamped lyrics.
Karaoke timing data in ASS files (especially k-tagged karaoke effects) can be simplified to LRC line-level timing for use in standard music players.
ASS subtitle files are often 5-10x larger than LRC due to styling headers, override tags, and metadata that audio lyrics do not need.
Music players like foobar2000, Poweramp, and Musicolet display LRC synced lyrics but have no support for ASS styled subtitles.
ASS override tags (font, color, positioning, karaoke effects) are meaningless for audio playback and must be stripped for clean lyric display.
Converting ASS karaoke timing to LRC creates a lightweight lyrics file that loads instantly alongside audio without the overhead of subtitle styling.
Language learners who have ASS subtitles for anime can convert them to LRC for audio-only study with synced lyrics in mobile apps.

Format Differences

ASS uses structured sections ([Script Info], [V4+ Styles], [Events]) with complex headers. LRC is a flat list of timestamped lines with no structure.
ASS timestamps use H:MM:SS.cc format (0:01:30.50). LRC uses [mm:ss.xx] format (typically omitting hours).
ASS dialogue lines include override tags in curly braces ({\i1}, {\c&HFF0000&}, {\k20}). LRC uses plain text only, with no inline markup.
ASS files define styles in a [V4+ Styles] section with fonts, colors, borders, and shadows. LRC has no styling system at all.
ASS supports karaoke effects via {\k} timing tags per syllable. LRC supports only line-level timing, not syllable-level.
ASS files are typically 5-15 KB per minute due to styling overhead. LRC files are 0.5-2 KB per minute, roughly 80% smaller.

Common Use Cases

Anime Opening/Ending Lyrics

Extract lyrics from ASS subtitle files of anime openings and endings, converting karaoke-timed subtitles to LRC for music player display.

Karaoke Project Simplification

Convert complex ASS karaoke files with syllable timing to simplified LRC line-timed lyrics for standard karaoke software.

Styled Subtitle Cleanup

Strip all styling, fonts, and override tags from ASS files to get clean plain-text lyrics with timing for audio use.

Fansub to Music Library

Convert ASS subtitles from fansub anime releases to LRC format for your music library, displaying synced lyrics during audio playback.

File Size Reduction

Reduce ASS file sizes by 80-90% by converting to LRC, removing all styling overhead while preserving text content and basic timing.

Related Formats

Frequently Asked Questions

Yes. ASS subtitle files for anime openings and endings contain timed dialogue that can be converted to LRC lyrics. The converter strips all ASS styling, override tags, and karaoke effects, extracting only the plain text and start times for use in music players.

ASS override tags in curly braces ({\i1}, {\b1}, {\c&HFF0000&}, {\pos(100,200)}) control italic, bold, color, and positioning. All override tags are completely stripped during conversion, leaving clean plain text for the LRC output.

The converter reads the Start timestamp and Text field from each Dialogue line in the [Events] section. All other fields (Layer, Style, Name, MarginL, MarginR, MarginV, Effect, End) are ignored since LRC only needs start time and text.

ASS karaoke effects use {\k} or {\kf} tags for syllable-level timing. The converter extracts only line-level start times for LRC, discarding per-syllable karaoke data. The result is standard line-timed LRC lyrics suitable for music players.

ASS uses H:MM:SS.cc format (0:01:30.50) for Dialogue line start times. The converter extracts the start time and converts it to LRC [mm:ss.xx] format ([01:30.50]), dropping the hour component for typical song lengths.

Yes, completely free with no sign-up, no watermarks, and no file size limits. All processing happens locally in your browser.

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