Guides
Learn how to add subtitles, captions, and export videos with Flixlar.
Featured guide
History of video subtitles
From SRT and ASS to streaming captions and AI workflows — explore the evolution of subtitle technology and internet video culture.
How to add subtitles to a video
Add subtitles to any video in minutes — free & fast.
Add captions to MP4
Quick way to add captions to MP4 files.
Burn subtitles into video
Export videos with subtitles permanently embedded.
How to edit SRT files
Edit subtitle text, fix timing issues and export updated SRT files.
What is an SRT file?
Learn what SRT files contain, how they work and where they are used.
Flixlar Effect Editor (beta 1)
Learn how to use the new Effect Editor to create visual effects for your videos.
Facebook subtitle filename format
Fix SRT upload issues by using the correct language code in the filename.