Launch app
A QRdy AI product · Free for members

Turn video & audio into
subtitles in seconds.

Auto-generate captions, full transcripts, and export in multiple formats — fast, accurate, and multilingual.

Generate subtitles
free, forever →
FreeNo credit cardRuns in your browser
interview_final.mp4 · 00:09
00:00.00TRANSCRIBING00:09.00
SRT00:00:00,200 → 00:00:09,000EN · 99.2%
Turn your video into perfectly timed subtitles — automatically.
SRTVTTJSONTXT
VALUE

Everything you need, nothing you don’t.

One upload becomes subtitles, transcripts, and structured data — ready to ship.

01

Multilingual

Auto-detects language and transcribes in dozens of languages — no setup, no API keys.

02

Fast & simple

Drop a file. We handle chunking, alignment, and formatting in seconds.

03

More than subtitles

Full transcripts, structured JSON, and clean text — not just captions.

04

Translate to English

One click translates your subtitles to English for global reach.

05

Flexible export

SRT, VTT, JSON, TXT, CSV, ASS, LRC — ready for any editor or platform.

FEATURES

Built for real workflows.

Caption Studio handles the awkward parts of transcription so you can stay in flow.

  • Supports video & audio files (mp4, mov, mkv, webm, mp3, wav, m4a, aac, flac, ogg, opus)
  • Clean, readable subtitles — auto-formatted line breaks
  • Accurate word-level timestamps
  • Video → audio conversion happens right in your browser
  • Handles long files smoothly with chunked processing
  • Copy, edit, and download instantly — or translate in a click
LIVE PREVIEW

This is what you actually get.

Tab through the formats — everything below comes from one upload.

caption-studio · interview_final.mp4 → transcript
1
00:00:00,200 --> 00:00:03,400
Welcome to Caption Studio — the free way to transcribe anything.

2
00:00:03,500 --> 00:00:07,800
Drop in a video or audio file and we’ll handle the rest in seconds.

3
00:00:07,900 --> 00:00:12,300
Every transcript ships with word-level timestamps and language detection.

4
00:00:12,400 --> 00:00:16,000
Export as SRT, VTT, JSON, plain text or CSV — whichever your workflow needs.

5
00:00:16,100 --> 00:00:20,400
And if you need English, one click translates the whole thing for global reach.

6
00:00:20,500 --> 00:00:24,000
No sign-up hassle, no watermarks, nothing to install. Made by QRdy.

One file in.
Subtitles, text & data out.

That’s the whole product.
Positioning
Caption Studio is more than a subtitle tool. It turns your video and audio into usable text, captions, and structured data — ready to edit, share, or build on.
USE CASES

Put it to work.

Add subtitles to videos

Burn-in ready SRT files for YouTube, Reels, TikTok.

Turn voice into text

Voice memos, lectures, calls — instantly searchable.

Translate content

Reach international audiences with English translations.

Captions for social

Short-form caption blocks tuned for vertical video.

Interviews & podcasts

Full transcripts with speakers, timestamps, clean formatting.

Made for people who publish.

Content creators (TikTok, YouTube, Reels)Canva usersVideo editorsStudents & teachersMarketers & social media teams
FAQ

Frequently asked.

Yes. Free for every QRdy member — no credit card, no watermark. Just sign in once with your QRdy account.
Video: mp4, mov, mkv, webm. Audio: mp3, wav, m4a, aac, flac, ogg, opus. Max 200MB of audio per file. Larger videos are converted to audio in your browser before upload.
Caption Studio runs on a state-of-the-art speech-to-text model with word-level timestamps and auto language detection.
Files and results are stored for 24 hours so you can download them, then automatically deleted. No manual cleanup needed — so remember to export before they expire.
You can copy or re-export at any time within 24 hours while the job is still alive.