Karaoke Editor

Edit lyrics and sync them with audio tracks to create custom karaoke files online.

Request Feature / Support

5,144+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

AI Web Tool Generator

Build Your Own Custom Web Calculator in Seconds

Type what tool or calculator you need below. Our AI will build it instantly for your site.

About This Tool

This online karaoke editor allows you to upload audio files (MP3, WAV, etc.), edit lyrics text, and synchronize each line with the audio timeline. You can adjust timing, preview the karaoke highlighting, and export in multiple formats including KAR, LRC, and synchronized MP3+lyrics. The tool provides a waveform visualizer for precise timing adjustments and works entirely in your browser with optional server processing for advanced conversions.

Save your calculation history with a free account

How to Use

Upload an audio file by clicking the upload area or dragging a file.
Play the audio and use the waveform to navigate.
Edit lyrics in the text area, with each line representing a karaoke line.
Click 'Sync Line' to set the start time for the currently selected line.
Adjust timing by dragging markers on the waveform.
Preview the synchronized karaoke highlighting.
Choose an export format and click 'Export Karaoke File' to generate and download.

Frequently Asked Questions

Find Quick Answers

What audio formats are supported?

The tool supports common formats like MP3, WAV, OGG, and M4A. For server-side processing, additional formats may be available if FFmpeg is installed.

Can I edit existing karaoke files?

Yes, you can upload existing KAR or LRC files along with audio to modify lyrics and timing. The tool will parse the existing sync data.

How do I sync lyrics precisely?

Play the audio and pause at the exact moment a line should start, then click 'Sync Line'. You can also drag timing markers on the waveform for fine adjustments.

What export formats are available?

You can export as KAR (Karaoke MIDI-like format), LRC (plain text with timestamps), or a synchronized MP3 with embedded lyrics (requires server processing).

Is there a limit on file size?

For client-side processing, files up to 50MB work well in most browsers. Larger files may require server processing, which has configurable limits.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

Related Tools

Other useful calculators and utilities you might like

Spotify to MP3 Converter

Convert Spotify tracks and playlists to MP3 format instantly with our free online converter.

Road Distance Calculator

Calculate the driving distance and travel time between two addresses with our free online road dista...

Age Calculator

Calculate your exact age in years, months, and days from any birth date to any target date.

Currency Converter

Convert currencies instantly with real-time exchange rates and historical data support.

Your Feedback Matters

Help Us to Improve