AI video captions

AI video captions.
Word-by-word, 50+ languages.

Auto-transcribe and burn word-by-word captions in TikTok, Reel and Shorts styles — or export .srt and .vtt for YouTube and Premiere. Captions are the biggest watch-time lever on muted-autoplay platforms; Postcrest gets them right in 50+ languages.

Caption a video
Word-by-word
50+ languages
TikTok / Reel styles
.srt + .vtt
50+
Languages
20+
Caption styles
Word-by-word
Burned + animated
.srt / .vtt
Plus exports
Where captions matter most

Captions win the muted-autoplay feed.

Most short-form video plays muted. Captions are the difference between scroll-past and watch-completion.

TikTok captions
Pop, glow and karaoke caption styles — the bar to clear for For-You-page completion.
Reels captions
Word-by-word burned captions tuned for Instagram's autoplay feed.
YouTube Shorts captions
Caption styles that lift Shorts retention and search-ranking.
YouTube long-form CC
.srt + .vtt exports for the YouTube CC track — accessibility, retention and SEO.
Multi-language captions
Translate captions into 50+ languages — same video, every market.
Ad creative captions
Captions on every ad — Meta and TikTok specifically reward captioned creative.
Real captioned outputs

TikTok / Reel / Shorts caption styles.

Word-by-word burned captions in the styles that actually win on muted-autoplay feeds.

TikTok
Word-by-word pop
Reels
Glow caption style
Shorts
Karaoke style
Educational
Did-you-know style
Talking
Long-form captions
Hook short
Bold pop captions
Built for muted autoplay

Word-by-word, not full-sentence stamps.

Generic auto-captions stamp the full sentence on screen — but viewers read late and scroll past. Postcrest's word-by-word burn appears in sync with the speech, in the bold pop/glow/karaoke styles that actually drive retention on TikTok, Reels and Shorts.

  • Word-level animation
    Each word appears with the audio — not stamped late in sentence chunks.
  • 20+ caption styles
    TikTok pop, Reel glow, YouTube minimal, karaoke, neon bold — every preset built in.
  • Brand presets
    Set brand fonts, colours and animations once and apply to every video.
Try captions

Win the muted-autoplay feed.

Word-by-word captions, 50+ languages, .srt + .vtt exports — one subscription.

Caption a video
Included with Postcrest

Captioning built for watch-time, not accessibility checkboxes.

Free captioning tools transcribe correctly but look generic. Postcrest gets the style right too — the kind of word-by-word, bold-pop captions creators actually use.

Word-by-word burn-in
Captions appear word-by-word with the audio — not full-sentence stamps that read late.
20+ caption styles
TikTok pop, glow, karaoke, YouTube minimal, Instagram bold — every style preset built in.
50+ languages
Auto-transcribe and auto-translate — same video, captioned in every market.
Speaker diarisation
Multi-speaker transcripts assign each line to the right speaker — podcast and interview ready.
.srt + .vtt exports
Burned captions plus standard subtitle files — YouTube CC, Premiere, DaVinci ready.
Inline edits
Fix any word in the auto-transcript — caption text and burned-in style update instantly.
How it works

Add captions in three steps.

01
Upload your video
Any MP4, MOV or WebM up to 4K. Postcrest auto-detects the language.
02
Pick a caption style
TikTok pop, Reel glow, YouTube minimal — or use the brand preset.
03
Export
Get a burned-caption version plus a .srt/.vtt file for platform CC tracks.
How Postcrest compares

Why creators move from Captions.app and Submagic.

Standalone caption tools work — but only for captions. Postcrest is captions plus the full AI video workflow.

Submagic / Captions.app
Caption-only apps
Excellent caption styles, but capped at captioning. No video generation, no editor, no scheduling.
With Postcrest
Same caption-style quality plus AI video generation, editing, music, voiceover, scheduling — all in one workspace.
YouTube auto-captions
Free but generic
Free, but full-sentence stamps that read late and look basic. No style, no brand fit.
With Postcrest
Word-by-word burned captions in TikTok/Reel/Shorts styles, plus .srt/.vtt for the YouTube CC track.
Premiere Pro captions
Slow + manual
Powerful but manual styling, slow turnaround, requires the Premiere subscription.
With Postcrest
Auto-generated word-by-word burn-in with brand presets — minutes per video, not hours.
Loved by creators

What creators say about Postcrest.

"We dropped Submagic and Captions.app. Postcrest captions are the same quality plus the entire video stack."

P
Phenny
Creator

"Brand caption preset means every video looks like the same channel. Saved us hours of consistency work."

L
Lina
Marketing ops

"Multi-language captions for our podcast clips — Spanish, Portuguese, Mandarin — in one batch."

M
Mateo
Podcaster
FAQ

Frequently asked questions

More AI tools in Postcrest

Pair it with the rest of the studio.

Talking Head
Add captions to every talking-head video.
Explore
Transcription
Get the transcript without burning captions.
Explore
Video Editor
Trim, combine and caption in one place.
Explore
One subscription

Every AI tool. From $15.0/mo.

Image generator, image editor, upscaler, image-to-image, video generator, talking-head, lip-sync, captions, TTS, voice cloning and AI music — all in one workspace, no per-credit add-ons.

Get startedSee all plans
50% off your first 2 months — auto-applied at signup
Watermark-free, 4K output
Full commercial license
Every leading model included
Cancel anytime
50% off your first 2 months · auto-applied at signup

Win the muted-autoplay feed.

Word-by-word captions in 50+ languages — one subscription.

Caption a video
See plans