Your Flexible Subtitle Tool

Create custom subtitles, or download and modify (font, color, size) subtitle files and synchronize them with your videos easily.


For Windows 7 64-bit or later (32-bit users? Click here)


For macOS 10.10 or later (10.7-10.9? Click here)

Easily Synch Subtitles to Any Video

Align your subtitles with a video's audio track so each caption appears on the perfect frame.

Make Completely Custom Subtitles

Make subtitles that are easy to read and look great. You can customize the font, size, color, positioning, and transparancy in UniConverter.

Download and Synch SRT Subtitles

Find subtitles for your favourite movies, download them, and sync them inside UniConverter.

Create Subtitles in Unique Styles

Edit your subtitle tracks to create stylish subtitles viewers can read easily. With UniConverter you can adjust:

  • Transparancy

  • Subtitle outlines

  • Positioning

  • Font, color, and size

Edit Subtitles For Social Videos

Create custom video subtitles for YouTube, Vimeo, Facebook, Twitter, or other platforms. Just extract the subtitle file and adjust settings like:

  • Font, Color, and Size

  • Positioning

  • Transparancy

  • Timing

Get More Subtitle Editing Options

Toggle Subtitles On and Off
Personalize your playback experience.
Supports All Standard Formats
MP4, MOV, AVI, FLV, VOB, and more.
Add Multiple Subtitles
Add any subtitles to any video.

New intuitive interface design

convert video

Convert video

download video

Download video

compress video

Compress video

edit video

Edit video



record video

Record video

DVD burner

DVD burner