Caption Studio

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Caption Studio

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Caption Studio

Accurate Hinglish captions for your reels. Sign in to start — your videos stay private to your account.

By signing in you agree to the Terms and Privacy Policy. Your uploads are processed to make captions and deleted automatically after 24 hours.

You

A video uses its own length, once — when it is first transcribed. Editing, re-syncing and exporting it use nothing.

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What's new

Transcript (just below): select words and press Delete to cut them out of the video
Timeline under the video: waveform, captions and cuts — drag a caption's edge to retime it
Zoom on keywords (More → Video) · music with auto-ducking and sound effects (More → Sound)

Caption script 0 / 0 reviewed

——

Find & replaceType a word to search

Find Replace with

Caption checkChecking captions…

Caption 11 of 1 issue

Select words to cut them from the video

Click a word to jump there · drag or Shift-click to select · Delete cuts the words out of the video (with the pause around them), and again puts them back · dashed boxes are pauses: click to cut or keep · ⌘Z undoes.

Captions

Timings are re-spread across the same stretch of video, weighted by word length. Word count can change.

Click a time to jump there · split cuts at the word you're in · Enter adds a word · Backspace on an empty word deletes it

Upload your video Drop it anywhere in this box, or Pick a reel from your phone Choose file MP4 or MOV · up to 3 min

Upload a reelPick the language — Hinglish is already chosen. Paste the script if you have it.
Check the wordsEach one is timed to your voice. Click any word to fix it.
Pick a look, export56 styles, then MP4 up to 4K. Your edits save as you go.

First time? A short clip, under a minute, shows you the whole thing fastest.

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Selected

Word

—

Layers

Auto-track subjectFind the speaker's face through the video, then move any caption that would cover it

Person maskPlace captions behind the speaker

Frame

Fit

Left – right

Up – down

Zoom on keywords

Strength

Pushes in on highlighted words (Style → Emphasis, or ★ on a caption) — at most once every 2.5 s, so it keeps its punch.

Remove pauses

Longer than

Breathing

Cuts the silence between sentences and keeps a little room around every word, so the jump still sounds natural.

Filler words

Cuts

Voice

Clean takes out hiss, hum and room noise and sets the volume Instagram and YouTube expect. Studio also warms the voice, softens sharp “s” sounds and evens out loud and quiet words. Switch back to Original any time to compare.

Music

Track + Add

Volume

Under voice

Use music you have the rights to — YouTube Audio Library and Pixabay tracks are free to use. Tracks stay on this computer for every video, loop if the video is longer, and fade in and out.

Sound effects

On keywords

On cuts

Volume

Caption styleChanges update the preview immediately

Apply to

Layout

Show

Rows

Position

Fine Y

Per line

Center / a touch above is the Instagram-safe zone — the top progress bar and the bottom caption + buttons stay clear.

Style

Font

Size

Text Accent

Outline

Caps

Emphasis

Keywords

Emoji

Auto highlights one word per caption — numbers, money, power words — and adds an emoji to every other caption. To choose yourself, click a word in Captions, then ★ (or ⌘B) or ☺ on its card.

Brand kits

A kit keeps one brand — yours or a client's — together: logo, handle, colours, font and caption look. Apply it to any video in one click.

Transitions will be Applied on Line

Direction

Speed

Line = the whole caption block animates in. Word = every word animates in on its own, staggered. Speed changes every animation at once — lower is slower and smoother, higher is snappier.

More

0:00.00 / 0:00.00

Export video

Format

Resolution

Frame rate

Quality

High

Burn in captionsCaptions become part of the video

Also download subtitlesA separate file for YouTube, LinkedIn or your editor

WatermarkYour handle in a corner of the video

Plans

Minutes are counted once, by the video's length, when it is first transcribed. Every plan has the whole editor. Pricing page

Contact support

What happened?

Include details of this video

Message sent

Or reach us directly

Caption settings

No video chosenMP4 or MOV · up to 3 min

Language

Script

Roman = ke beech mein · Native = के बीच में · Hinglish is always Roman

Names & brand words optional

People, tools or brands the AI can't know, comma-separated — spelled exactly like this.

Spoken script optional

Video

Your video will appear here

Captions

Your captions will appear here

✨ Hooks, titles, caption & hashtags

Caption Studio writes these with Claude, using your own Anthropic API key — create one at console.anthropic.com → API keys. It's saved only on this computer, and each run costs a few cents.

Posting to

Language

How to use Caption Studio

Drop a reel — MP4 or MOV, up to 3 min. Caption settings opens with it.
Pick the language there. Hinglish writes Hindi speech in Roman letters. Add names and brand words so they come out spelled right.
Paste the spoken script if you have it: the captions come out word-perfect and in sync. No script? It transcribes on its own and you fix words after. Then Transcribe — the editor opens when it's done.
Fix words in the Words box. Changed a lot? Hit ↻ sync to lock them back onto the audio.
Captions: read and correct the script sentence by sentence. Use Timing only when a caption needs precise edges, then Style and Animation to finish the look.
Sound: clean up your voice, add music that dips while you talk, and sound effects on keywords and cuts.
Choose a template and a transition, then tune font, size and position in Text. Drag any caption on the video to move just that one — or all of them.
Turn on Safe zone above the video to keep captions clear of Instagram's buttons.
Export an MP4 (720p, 1080p or 4K, 30 or 60 fps), captions only as a transparent MOV for your editing app — or an SRT / VTT subtitle file.
✨ Write the post (top right) writes the hooks, titles, description and hashtags to post the video with, from your own captions.
On a phone or tablet: the video fills the screen and the current sentence sits under it. Use Captions, Timing, Style, Animation and More along the bottom. Pinch the timeline to zoom. ☰ has the complete menu.

Caption editing: ⌘/Ctrl F find & replace · ⌘/Ctrl G next match · Shift ⌘/Ctrl G previous match
Words box: Enter adds a word · Backspace on an empty word deletes it · ← → move between words

New to the editor?

Stuck, or something not working?

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Caption Studio

Captions + line ↻ sync paste all

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