Launch app
A QRdy AI product · Free for members

Turn video & audio into perfect subtitles
in seconds.

Free auto-subtitle generator, transcripts, and loop video backgrounds — built for creators, designers, and students. No credit card. Runs in your browser.

Generate subtitles freeOr make a video backgroundFree, forever →
✓ No credit card✓ Runs in your browser✓ 30+ languages✓ SRT · VTT · JSON · TXT
caption-studio · interview_final.mp4 → transcript
interview_final.mp4 · 00:09
TRANSCRIBING00:00.00 / 00:09.00EN · 99.2%
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.
Caption Studio — Free subtitle generator

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

Auto-generate captions, full transcripts, and export in multiple formats — fast, accurate, and multilingual. Free for every QRdy member.

01

Multilingual

Auto-detects language and transcribes in 30+ 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.

06

Private & safe

Files auto-delete after 24h. Converted in your browser before upload.

Made for
TikTok creatorsYouTubersCanva designersVideo editorsStudents & teachersPodcastersMarketing teams
Generate subtitles freeNo credit card · No watermark · Runs in your browser
AI Video Background — Loop videos from a prompt

Type what you want.
Get a stunning loop video in seconds.

Generate seamless, loopable gradient video backgrounds from a single prompt — for landing pages, Canva designs, social media, and pitch decks.

Your prompt
floating pink hearts in a dreamy sky
Generate video ↗~1 credit · ready in ~8s
Try a prompt:
♥♥♥♥♥♥
floating pink hearts in a dreamy sky
aurora ribbons over a dark ocean
molten amber orbs drifting slowly
soft lavender bokeh with slow drift
Landing pages
Heroes that move without distracting.
Canva designs
Drop into templates as motion layers.
Reels & Stories
Scroll-stopping vertical backgrounds.
Pitch decks
Subtle animation behind your ideas.
Try AI Video BackgroundFrom $4.99 for 5 videos · pay as you go, no subscription
How it works

Three steps. No learning curve.

1

Pick your tool

CaptionStudio for subtitles, AI Video BG for loop visuals — all in one account.

→
2

Drop a file or type a prompt

No templates, no plugins. Works right in your browser.

→
3

Export & ship

Download instantly in the formats you actually need — SRT, MP4, JSON, and more.

QRdy Student Pack

Free access to every QRdy AI tool — for students.

Verify with your .edu email and get CaptionStudio, AI Video Background, PromptGenie, and Iconize AI free while you study. No credit card, no trial timer.

  • ✓ Unlimited subtitles for lectures, interviews, and class videos
  • ✓ Loop video backgrounds for school projects & presentations
  • ✓ AI-generated icons and prompt tools for assignments
  • ✓ Works on any device — no install needed
Claim Student Pack →Free with a valid student email
QRDY · STUDENT PASS2026
Your name here
valid @ any .edu · .ac · .edu.vn
Includes
4 AI tools
Price
Free
✦
The full QRdy suite

More creator tools, one account.

P
Prompts

PromptGenie

Turn messy ideas into optimized prompts for AI — in any style.

Explore →
I
Icons

Iconize AI

Create stunning icons in solid, gradient, or gold styles in seconds.

Explore →
Q
QR

Qrdy Dynamic QR

Free dynamic QR codes with editable shortlinks & analytics.

Explore →

Loved by creators & students.

Real people, real workflows.

“I subtitled 20 lecture recordings in an afternoon. No other free tool comes close.”
M
Minh T.
Graduate student · Hanoi
“The loop backgrounds made my Canva templates pop. Instant Etsy-ready assets.”
S
Sandra T.
Brand designer
“No templates, no sign-ups, no watermark. I just keep coming back.”
L
Lena M.
Frontend dev
“Perfect for Reels — SRT out, and we drop the video background right behind it.”
D
David K.
Social media manager