Professional Video Tool

Sync Audio & Video

Fix lip sync delay or out-of-time soundtracks by shifting the audio timing relative to video.

Or drag & drop video file here • Supports MP4, MOV, WEBM, AVI, MKV up to 500MB

Fix Out-of-Sync Audio

Shift audio forward or backward by milliseconds to fix lip sync.

Fine Millisecond Tuning

Adjust audio offset precisely (+/- seconds or milliseconds).

Live Sync Check

Verify spoken dialogue and mouth movements in preview.

Lossless Audio Delay

Applies itsoffset or adelay without video re-compression.

Privacy Guaranteed

Temporary media files deleted automatically after download.

Universal Video Export

Export in MP4, MOV, WEBM, or MKV containers.

Instant Export

Download your perfectly synchronized video immediately.

No Watermarks

100% free with no branding or quality loss.

Export Complete!

Your video has been rendered and is ready to preview and download.

Download Video

How to Use

  1. Upload or drag and drop your media file.
  2. Configure the tool settings and options in the studio panel.
  3. Preview changes in real time and click process.
  4. Download your processed output file directly to your device.

What Our System Provides

  • High-performance stream encoding powered by FFmpeg.
  • Complete privacy with automatic temporary file cleanup after processing.
  • Universal cross-platform format compatibility (MP4, MOV, WEBM, MKV).
  • Clean output files with zero added watermarks or promotional branding.