Pick the layout that fits your platform

Captions sit center-frame for square and 9:16, Lower 3rd reads like broadcast news for 16:9, and Box Video stacks subtitles above a framed video for vertical formats. Match the layout to where the video will be posted.

Two or three words per line scans best on mobile

Use Subtitle words displayed to keep lines short — three words at a time is the sweet spot for Reels and TikTok, where viewers skim. Long lines force the eye to jump and the message gets lost.

Match the first scene Layout to your video's purpose

Captions works for talking-head clips, Name & Title introduces you on camera (great for LinkedIn or expert content), and intro sets up a branded opener. The first scene is where viewers decide to keep watching — pick the framing that earns the next three seconds.

Auto-Fix needs your original script

Subtitles Auto-Fix compares the transcription against the script you wrote in your project. Skip Auto-Fix and go straight to manual editing if your take was unscripted.

Highlight Keywords picks emphasis automatically

Ticking Highlight Keywords lets the AI decide which words to emphasize, and the picks aren't always the ones you'd choose. Review the scenes in the editor before exporting and adjust the highlights manually where needed.

B-roll sources need to be enabled before processing

If you skip checking Free Stock, Content Bank, or Media Library on the B-roll step, no overlays get inserted automatically.

Can the AI Subtitle Generator translate while it transcribes?

Yes — click the translate icon next to the language flag and pick a destination language. BIGVU transcribes your speech and renders the subtitles in the new language in one pass.

Why do my subtitles look wrong on some words?

AI transcription may struggle with proper nouns, brand names, and quiet speech. Click on any scene and edit the subtitle text directly, or run Auto-Fix if you have a script for the AI to compare against.

All Steps (9)

AI Subtitle Generator — Web

Learn how to use the BIGVU AI Subtitle Generator on mobile and web. Instantly create accurate subtitles for your videos and customize their style for any platform.

AI Subtitle Generator — Web

All Steps (9)

AI Subtitle Generator — Web

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