CaptionOne

Designed for simple and practical subtitle work, CaptionOne lets you turn video audio into captions, review the results, make edits, and save your updated subtitle content in one smooth workflow.

Key features:

Generate subtitles from local videos

Edit subtitle text easily

Translate subtitles into supported languages

Save processed subtitle results to your device

Simple interface focused on speed and usability

Privacy-focused design:

Your videos are selected from your device storage

Audio is extracted only for subtitle creation features

Processed files are saved back to your device

No user account is required