L lulz.render

Burn animated captions
into video, in minutes

Word-by-word captions with jump, pop and slide animations. Edit the transcript, drag the caption box, pick a font — then export a finished MP4.

How it works

1

Drop a background video

Upload any MP4 or WebM as the background for your captioned video.

2

Style the captions

Edit transcribed words inline, switch animation and font, set size, line count and drag the caption box anywhere on the frame.

3

Export video

Render the preview into a finished H.264 MP4 ready to download or share.

Features

Word animations

Jump-in, grow-pop, slide-up, letter reveal — same set as the server pipeline.

Highlight pill

Rounded background that glides between words as they're spoken.

Editable transcript

Fix transcription mistakes inline; timings are preserved per word.

Live preview

See caption timing, animation, and layout update as you edit.