JustPostIt — vertical reels in the browser

1 · Video

Talking-head clip (9:16 reel will crop to fill)

2 · Captions

Decodes the talking-head's audio into editable SRT below.

Caption text / SRT (SRT keeps timestamps; plain text spreads evenly) Topic / names hint (optional — helps proofread)

Fixes mis-transcribed words in the box above, in place — review it after.

3 · Subtitle language

Subtitle language (blank = keep spoken; your voice is always kept)

Pick a language, then translate — the result goes in its own box below; the original captions stay untouched.

4 · Style

Caption style

Est. cost — load a video or add captions.

Advanced settings

Language & voice

Spoken language (what's said in the video — a hint for transcribe/translate, never changed) 🔊 Dub the voice (replace your recorded voice with your cloned voice speaking the rendered captions)

Off by default — your own recorded voice is kept. On: each caption is spoken by your cloned voice in the subtitle language and replaces the audio. Last-resort option; review the result.

Output

Resolution FPS

Watermark (optional) Music-mode length (s, when no video)

Other caption sources

Transcript file .srt · .vtt · .json · .txt Audio file to transcribe (instead of the video)