LrcSong
LrcSong is a web-based AI platform focused on synchronized lyrics, karaoke creation, and subtitle format conversion. It bundles several lyric and karaoke utilities into a single browser-accessible service, including vocal stripping, automatic lyric synchronization, and take scoring, so users can go from an audio track to a sing-along or subtitled output without installing desktop software. The service supports a range of common timed-text and subtitle formats, notably LRC, SRT, VTT, ASS, and TTML, and provides conversion paths such as SRT to LRC. This makes it useful for creators who need to move lyric or subtitle data between karaoke players, video editors, and streaming platforms that expect different caption standards. LrcSong targets audio inputs including MP3 and FLAC according to its published metadata, positioning itself around music files rather than general video. Access appears to follow a freemium credit model: the homepage advertises three free credits with no credit card required, after which additional usage is presumably paid, though the exact pricing tiers are not disclosed on the landing page. Because the product is delivered as a hosted SaaS application with no public GitHub repository, its internal models, licensing terms, and release cadence are not publicly documented. Users should treat capability claims such as vocal separation quality and lyric alignment accuracy as vendor-stated until verified against their own audio material.
- Category
- AI Subtitle Generator
- Pricing
- Unknown
Problem solved
Producing synchronized lyrics, karaoke tracks, and correctly timed subtitles is normally a manual, multi-tool workflow: separate vocals, transcribe or time-code lyrics, then convert between incompatible subtitle formats. LrcSong consolidates vocal stripping, lyric synchronization, and LRC/SRT/VTT/ASS/TTML conversion into one browser-based service, reducing the number of separate tools and manual timing steps needed to turn an audio file into a karaoke-ready or subtitled result.
Use cases
- Generate a timed .lrc file from an MP3 so lyrics display in sync in a music player
- Create karaoke-style videos by stripping vocals and adding synchronized on-screen lyrics
- Convert SRT subtitles into LRC format for karaoke or lyric player compatibility
- Convert between subtitle formats such as SRT, VTT, ASS, and TTML for different platforms
- Produce synchronized lyrics for FLAC or MP3 tracks for release or archival
- Score and practice a vocal take against an instrumental backing track
- Prepare timed lyric captions for social video or streaming uploads
Audience
- Content Creators
- Hobbyists
- Developers
- Business Users
Pros
- Combines vocal separation, lyric syncing, and subtitle conversion in one web tool
- Supports multiple industry formats including LRC, SRT, VTT, ASS, and TTML
- Free initial credits with no credit card required lowers trial friction
- Browser-based, so no local installation is needed
- Handles common audio formats such as MP3 and FLAC
Cons
- Pricing beyond the free credits is not clearly published
- No public repository or documentation of the underlying models or accuracy
- Lyric alignment and vocal separation quality are vendor-claimed and unverified publicly
- Requires uploading audio to a hosted service, which may raise privacy concerns
- Limited transparency on processing limits, output length, or API availability
Official website: https://lrcsong.com/
Canonical LambdaBase page: https://www.lambdabase.com/tools/lrcsong