Guides
Add captions to MP4 (free & fast)
Want to add captions to an MP4 video? Here's the fastest way to do it — no editing skills required.
Step 1: Prepare subtitles
Use an .srt file or create captions manually inside Flixlar.
Step 2: Upload your MP4
Open Flixlar and select your MP4 video.
Step 3: Add captions
Import your subtitles or create captions directly.
Step 4: Export your MP4
- Simple → clean subtitles
- Modern → more engaging style