Write Into Video
Upload a video or image, speak or upload audio, and get captions synced to your voice — customise font, size and colour, then download the result.
Upload Video or Image
Drag & drop a video or image here
or click to browse
Supports MP4, MOV, WebM, AVI · JPG, PNG, GIF, WebP
Add Audio & Captions
Speak clearly — words are transcribed live and time-stamped as you talk. Note: works best in Chrome/Edge.
Enter captions below with start & end times (in seconds). They will be burned onto your video.
Customise Caption Style
Live Preview
Press play on the audio below to see captions sync in real time.
Upload media in Step 1 to see a preview here.
The server burns your captions into the video and returns an MP4 file.