captionclockby zyron
LOCAL TOOLS / SUBTITLES

Subtitle Sync.

Get your captions back in step. Shift every subtitle together, or correct timing drift with two matching moments. Preview the result before you export.

Subtitles & preview01 / IMPORT
Drop your subtitles here

SRT, WebVTT, ASS, SSA / up to 5 MB

Browse files
Add a video for preview (optional)
Drop your video here

Optional / preview stays on your device

Browse files

Align your timing02 / SYNC

Positive moves captions later. Negative moves them earlier. Times before zero are clipped or removed.

◇ Instant local timing updates. No re-encoding.

Choose a file to get started.

Private by design

Your files stay on your device. No uploads, accounts, or processing queues.

Built for your workflow

Bring your existing subtitles and prepare them for your next video edit.

Preview, then export

Check the result before downloading a file you can use in your editor.