3 Verified Solutions - How to Sync Subtitles with Movie Seamlessly

When watching a movie or an episode, whether it is a native language or not, I am always used to viewing subtitles. So the problem arises, that is, the downloaded subtitle file and movie may not be synchronized oftentimes, which is indeed a very frustrating issue. And it's troublesome to re-download another subtitle file for sifting and verifying in sequence. To save time, I have organized 3 methods to sync subtitles, which will solve this awkward situation in a few minutes without any cost. Keep reading!

Related Reading: Fix Audio Video Sync | Fix HandBrake Audio Delay | Add Subtitle to MP4 | Add Subtitles to DVD Movie

Subtitle Edit is a free subtitle editor that is easy and flexible to use. With the help of this compact program, you can adjust the start time of any subtitle file and keep it in sync with your movie. Download the latest version below and get started.

https://nikse.dk/

Step 1. Launch Subtitle Edit, go to File > Open to load your subtitle file or just drag it into the Last view part. It will analyze and list the subtitle details.

Step 2. Go to Synchronization on the menu bar, it provides several options to synchronize subtitles. Adjust all times allows you to adjust subtitle timing earlier or later to correct the sync. Visual sync is what I recommend, you're allowed to synchronize a subtitle with a video file. Just match the first/last lines with the video start/end scene, then press Sync button. I always use the 2 options for subtitle time shift. You can explore more features based on your need.

Step 3. Go back to main interface, press File > Save as to export your fixed subtitle file.

A lot of free media players offer a built-in feature for subtitle sync，and we have introduced how to sync subtitles in VLC by adjusting milliseconds forward or delay. Compared with that, I'll recommend PotPlayer this time that offers more options to edit and resync subtitles. Download the freeware below.

https://potplayer.daum.net/

Step 1. Open PotPlayer, go to PotPlayer > Open File(s) to play your movie.

Step 2. If the movie file and its subtitle file in the same directory with the same filename prefix, PotPlayer will load the subtitle automatically. If not, right-click on the scene > Subtitles > Add/Select Subtitles to add the subtitles manually.

Step 3. After done, right-click on the scene > Subtitles > Browse/Edit/Sync Subtitles to open a Subtitle Browser, here you can fix subtitles delay problem with several options.

In addition, some online websites also provide free service to help you synchronize subtitles. They have roughly the same operations. I'll take the Subtitle Sync Shifter as an example below.

Step 1. Visit https://subtitletools.com/subtitle-sync-shifter, press Choose Files to upload your srt, ass, ssa, smi, webvtt subtitle files.

Step 2. Input positive or negative value in milliseconds (1 second = 1000 milliseconds), e.g. 2000 or -2000.

Step 3. Hit the Shift button to resync subtitles. When the processing is complete, download the fixed subtitle file to your local drive.