123eggs.
AI

Video & subtitles

AI Auto Captions for Shorts & Reels

Transcribe short videos, edit word timing, and export a captioned MP4 or SRT file.

Choose video → Generate captions → Edit text and timing → Download

1 credit · up to 90 seconds · —
Caption style
Caption position

Failed jobs show their credit refund status.

Whisper large-v3 · word timestamps

The original video stays in your browser. Only a lightweight extracted audio track is sent to Replicate's Whisper model for transcription, and the uploaded file is deleted immediately afterward.

Live preview

Upload a video to preview caption style and timing here.

TOOL GUIDE

When to use it

Content reviewed · 2026-10-12

Transcribe short videos, edit word timing, and export a captioned MP4 or SRT file.

How to use it

Choose a video up to 90 seconds, select its spoken language and generate captions for 1 credit. Review the wording and timing, then export MP4 or SRT. Audio is sent for AI transcription.

Before you rely on the result

Music, overlapping voices and names can cause errors. Review the whole video before publishing. Keep this tab open during MP4 export.

Data handling

The main task runs in the browser, while a named model or AI service may be contacted for part of the feature.