Convert ASS to LRC Online Free

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Convert ASS subtitle files to LRC synced lyrics format for use in music players and karaoke applications. ChangeThisFile processes the conversion server-side and auto-deletes your file.

By ChangeThisFile Team · Last updated: March 2026

Quick Answer

ChangeThisFile converts ASS to LRC on a secure server. Upload your ASS subtitle file and it is converted to LRC synced lyrics format with bracketed timestamps. Files are auto-deleted after conversion. Free with no signup required.

First daily conversion free No signup required Encrypted transfer · Async jobs kept up to 24h Queued when needed Updated May 2026

ASS vs LRC: Format Comparison

Key differences between the two formats

Feature	ASS	LRC
Primary use	Anime and video subtitles	Synced lyrics for music players
Styling	Full font and color control	No styling — plain text only
Timestamp format	H:MM:SS.cc centiseconds	[MM:SS.xx] bracketed
Karaoke support	Advanced syllable timing	Basic line-level timing
Player support	VLC, MPC, mpv and others	Winamp, foobar2000, iTunes
File size	Small plain text	Very compact — minimal overhead
Best for	Styled video subtitles	Music lyrics and audio sync

When to Convert

Common scenarios where this conversion is useful

Repurposing anime song lyrics for music players

Anime opening and ending songs often have ASS subtitle files with lyrics. Converting to LRC lets you load those lyrics into music players like foobar2000 or Dopamine.

Extracting dialogue for karaoke apps

If you have ASS files with timed text content, converting to LRC lets karaoke software display the lines in sync with audio playback.

Building lyric databases from existing subtitle archives

Large subtitle archives in ASS format can be batch-converted to LRC to populate music lyric databases and apps that rely on the lightweight LRC format.

Who Uses This Conversion

Tailored guidance for different workflows

Video Editors & Subtitlers

Convert ASS caption files to LRC for the subtitle track your editor or delivery spec requires
Move ASS subtitles into LRC to hand off to an editor working in a different tool

After converting to LRC, confirm the cue timings still line up with the video

Check that line breaks and special characters survived the ASS to LRC conversion

Content Creators & YouTubers

Convert ASS captions to LRC to upload alongside your video on YouTube, Vimeo, or social platforms
Turn a ASS caption file into LRC to make your video clearer and more accessible

Keep individual LRC cues short (about one to two lines) so captions stay readable on screen

Preview the LRC captions on the actual video to catch any timing drift before publishing

Accessibility & Localization Teams

Convert ASS subtitles to LRC to meet the caption format an accessibility or compliance spec requires
Prepare ASS captions as LRC to hand to translators or a localization workflow

Speaker labels and on-screen positioning only carry over if LRC supports them, so spot-check the result

Validate the LRC file in a caption checker to catch overlapping cues or malformed timestamps

How to Convert ASS to LRC

1

Upload your ASS file

Drag and drop your ASS subtitle file onto the converter, or click browse to select it. The file is transferred over an encrypted connection.
2

Server-side conversion

The server parses each ASS cue, converts the timestamps to LRC's [MM:SS.xx] format, and strips ASS styling tags to produce plain text LRC output.
3

Download the LRC

Save your converted LRC file. The server copy is automatically deleted after processing.

Automate this conversion

Convert ASS to LRC via API

Integrate this conversion into your pipeline with 3 lines of code. Free tier: 25 conversions/month.

curl -X POST https://changethisfile.com/v1/convert \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "file=@input.ass" \
  -F "target=lrc" \
  -o output.lrc --fail

const form = new FormData();
form.append('file', fileInput.files[0]);
form.append('target', 'lrc');

const res = await fetch('https://changethisfile.com/v1/convert', {
  method: 'POST',
  headers: { 'Authorization': 'Bearer YOUR_API_KEY' },
  body: form
});
const blob = await res.blob(); // your converted LRC file

Replace YOUR_API_KEY with your free key — no credit card needed.

Get a free API key

Frequently Asked Questions

What is LRC format?

LRC is a simple text format for syncing song lyrics to audio. Each line starts with a bracketed timestamp like [01:23.45] followed by the lyric text. It is widely supported by music players and karaoke apps.

Will ASS styling be preserved in the LRC output?

No. LRC does not support styling. ASS styling tags (\N, \b, \i, \c and others) are stripped, and only the plain text content and timing are carried over to LRC.

What happens to ASS positioning tags?

ASS positioning tags like \pos and \move are stripped during conversion. LRC has no concept of screen positioning — all lines appear as sequential text.

Is LRC a good format for video subtitles?

LRC is designed for audio/lyrics players, not video players. For video subtitle use cases, you are better off converting ASS to SRT or VTT. LRC lacks the timing precision and feature set needed for video subtitles.

Which music players support LRC files?

foobar2000, Winamp, Dopamine, MusicBee, Quod Libet, and most Android music player apps support LRC. Apple Music and Spotify use proprietary formats but many third-party iOS players support LRC.

Are my files deleted after conversion?

Yes. Files are uploaded over HTTPS and automatically deleted from the server after the LRC is ready for download.

What timestamp precision does LRC support?

LRC timestamps use [MM:SS.xx] format where xx is centiseconds (1/100th of a second). ASS timestamps use centiseconds as well, so timing precision is maintained during conversion.

Is there a file size limit?

Subtitle files are plain text and typically very small. The 50 MB server limit is not a practical constraint for ASS files.

Can I convert LRC back to ASS?

Yes. ChangeThisFile supports LRC to ASS conversion for round-tripping between formats.

Does the converter handle ASS files with multiple style tracks?

Yes. All dialogue lines are extracted regardless of which style track they belong to. The style information is stripped, and lines are ordered chronologically in the output LRC file.

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