SubCaptions: AI Auto Subtitles

Turn speech into polished captions in seconds. Generate privately on device, customize every word, translate, and export in 4K, MP4, MOV, SRT, or TXT.

Turn speech into clear, professional captions in seconds with SubCaptions.

CREATE CAPTIONS FAST

Choose a video and let on-device speech recognition generate timed captions automatically. Your video stays on your device while captions are created.

MAKE EVERY WORD YOURS

Review and edit caption text. Customize your videos with professional templates, fonts, colors, highlights, strokes, backgrounds, animations, sizing, and positioning.

REACH MORE VIEWERS

Translate captions into supported languages and switch between the original and translated versions whenever you need them.

EXPORT YOUR WAY

• Export videos up to 4K • Choose MP4 or MOV • Select 30 FPS or 60 FPS • Download SRT and TXT subtitle files • Save and share your finished videos

SubCaptions is built for creators, educators, marketers, podcasters, and anyone who wants videos that are easy to understand—even with the sound off.

No account is required to get started. Some advanced export and subtitle download features require SubCaptions Pro.

Privacy Policy: https://enes-sakut.github.io/SubCaptions/privacy/

Terms of Use: https://enes-sakut.github.io/SubCaptions/terms/