AI LRC Generator

KRC to LRC Converter

Quickly convert KRC files to LRC format, supporting single/batch file uploads and text input

KRC to LRC Conversion

Upload single or multiple KRC files, or directly input KRC content, convert to LRC format with one click

Select a single KRC file

Click to select or drag and drop KRC files here

Output format
One timestamp per lyric line — best compatibility
Instructions

Three Conversion Methods

  1. Single File Upload

    Click to select or drag a single KRC file, content will display in the text box

  2. Batch File Upload

    Click to select or drag multiple KRC files, automatically batch process

File Upload Methods

  • Click to Upload：Click 'Select File' button to choose files from file browser
  • Drag to Upload：Directly drag KRC files to the upload area
  • Multi-file Support：Batch upload mode supports selecting or dragging multiple files simultaneously
  • Real-time Feedback：Upload area will highlight during drag

Why this tool

  • Decrypts KRC locally in your browser — no software to install
  • Exports word-level timing (ELRC) to recreate karaoke highlighting
  • Files are processed entirely on your device and never uploaded
  • Completely free, with no limits on conversions or file counts

KRC Format Description

.krc

KRC is KuGou Music's proprietary encrypted lyrics format: an encrypted binary containing word-level timing that ordinary players and editors cannot read directly

(Decrypted KRC internal structure)
[1000,2000]<0,150,0>This <150,200,0>is
[3500,1500]<0,120,0>word-level <120,180,0>lyrics

* KRC files are encrypted binaries. This tool decrypts them locally in your browser — nothing is uploaded

LRC Format Description

.lrc

LRC is the most universal lyrics format with line-level timestamps, supported by nearly every music player and subtitle tool

[00:01.00]This is
[00:03.50]word-level lyrics

About KRC to LRC Conversion Tool

KRC to LRC Converter is a free online tool that decrypts KuGou Music's encrypted KRC lyric files locally in your browser and converts them to the universal LRC format. Single and batch conversion are supported, and you can export word-level Enhanced LRC (ELRC). Files never leave your device.

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sample.lrc
[00:00.42]I heard the whole city as one song
[00:03.60]The street you walked down is still lit
[00:07.15]The wind scattered the words I never finished
[00:11.00]We are all waiting for the next season

Core Features

  • Local Decryption

    Decrypt KuGou KRC files right in your browser — no desktop software to download or install

  • Word-Level Export

    Export the word-level timing inside KRC as Enhanced LRC (ELRC), recreating karaoke-style word highlighting

  • Batch Processing

    Upload and convert multiple KRC files at once to save time

  • Real-Time Preview

    Preview conversion results instantly to check quality before downloading

  • Privacy First

    All decryption and conversion happens on your device. Files are never uploaded to any server

  • Easy Downloads

    Single-file download or batch ZIP export to fit your workflow

Application Scenarios

Export KuGou Lyrics

Convert KRC lyrics downloaded from KuGou Music into universal LRC for use on other platforms

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Player Compatibility

Make KuGou lyrics display correctly in Foobar2000, AIMP, MusicBee and other players

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Karaoke Production

Export word-level ELRC for karaoke software and word-by-word lyric highlighting

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Video Subtitles

Converted LRC can be further converted to SRT and other subtitle formats for lyric videos and MVs

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Migration & Backup

Turn encrypted KRC lyrics into an open format for long-term archiving, safe from platform lock-in

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Re-Editing

Once converted to LRC, edit timing and text in any text editor or online LRC editor

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Format Comparison Analysis

KRC Format

KRC (KuGou ResC) is KuGou Music's proprietary lyrics format: an encrypted binary with word-level timing

  • Contains word-level timing for great karaoke effects
  • Compressed files stay small
  • Huge lyrics coverage on the KuGou platform
  • Millisecond timing precision
  • Includes song metadata

LRC Format

LRC (Lyrics) is the most popular open lyrics format, supported by almost every music player and subtitle tool

  • Extremely universal — works in almost every player
  • Plain text, directly editable
  • Simple format, easy to read and maintain
  • Small file size
  • Can include song metadata (title, artist, album)

KRC Format

KRC (KuGou ResC) is KuGou Music's proprietary lyrics format: an encrypted binary with word-level timing

  • Encrypted — other software cannot read it directly
  • Only supported by KuGou products
  • Cannot be edited in a text editor
  • Poor for archiving and cross-platform sharing

LRC Format

LRC (Lyrics) is the most popular open lyrics format, supported by almost every music player and subtitle tool

  • Standard LRC only supports line-level timing
  • No rich text styling
  • Word highlighting requires the ELRC extension
  • Limited layout capabilities

Technical Specifications

KRC Format Technical Specifications
  • Structure: krc1 header + XOR encryption + zlib compression
  • Character encoding: UTF-8 (after decryption)
  • File extension: .krc
  • Word-level timing inside (millisecond precision)
  • Metadata tags supported (ti:, ar:, al:, etc.)
LRC Format Technical Specifications
  • Time format: [minutes:seconds.centiseconds]
  • Character encoding: UTF-8
  • File extension: .lrc
  • Line-level and word-level (ELRC) modes
  • Metadata tags supported (ti:, ar:, al:, etc.)

Frequently Asked Questions

Free to start · No install

About KRC to LRC Conversion Tool

KRC to LRC Converter is a free online tool that decrypts KuGou Music's encrypted KRC lyric files locally in your browser and converts them to the universal LRC format. Single and batch conversion are supported, and you can export word-level Enhanced LRC (ELRC). Files never leave your device.

Open the toolView pricing
  • Free credits on signup
  • Bilingual lyrics output
  • MP3 / WAV / FLAC supported