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Create Video Subtitles
in Minutes, Not Hours.

Upload your video. Get accurate, perfectly timed captions. Edit in our professional studio. Export as SRT, VTT, or burned-in MP4.

Try it Free · No credit card required

Fluen Studio — Video Subtitle Creator
99.2% Accurate 50+ Languages
1,500,000+ Minutes Processed
99.2% Accuracy Rate
50+ Languages Supported
Powered by leading AI engines & our proprietary segmentation
OpenAI Deepgram AssemblyAI

Upload. Process. Done.

Upload
Process
Done
1 00:00:01,200 → 00:00:04,800
In this video, we'll walk you through
the complete setup process.
2 00:00:05,100 → 00:00:08,400
- First, let's look at the dashboard
and the main navigation.
3 00:00:08,900 → 00:00:12,200
You'll notice the upload button
right here in the top corner.
4 00:00:12,600 → 00:00:16,100
- That's exactly right.
Just drag and drop any video file.
Speaker Detection Smart Line Breaks Proper Punctuation
Try It With Your Own Video

“Can't I just use a free tool?

“Free tools transcribe fine.”

Free tools get you 80% there. The last 20% — punctuation, capitalization, natural line breaks, speaker changes — is what separates amateur subtitles from professional ones. Fluen handles all of it automatically.

“I can fix errors manually.”

You could. But on a 30-minute video, that means reviewing ~400 subtitle cues. With 99.2% accuracy and smart segmentation, Fluen cuts your manual review time by 90%.

“I don't need fancy features.”

You need exports that work. SRT files with proper timecoding for your editor, WebVTT for web players, or burned-in MP4 for social media — all from a single upload.

Built for Creators Who Ship Regularly

YouTube Creators

Boost views and watch time with accessible content. YouTube rewards captioned videos in search.

Agencies & Studios

Deliver subtitle files to clients in minutes. SRT, VTT, or burned-in — whatever the spec.

Course Creators

Make training content accessible and compliant at scale. Subtitles improve retention across audiences.

Corporate Teams

Caption town halls, onboarding videos, and internal comms. Reach every employee, everywhere.

Social Media Managers

Burned-in subtitles ready for every platform. Upload to LinkedIn, Instagram, and TikTok.

Three Steps. That's It.

1. Upload Your Video

Drop MP4, MOV, MKV, or AVI. We auto-detect the language and start processing immediately.

2. Review & Fine-tune

Captions appear in our built-in editor, synced to your video. Adjust timing and text if needed.

3. Export & Publish

Download SRT, WebVTT, burned-in MP4, or plain text. Your captions, your format.

Start Creating Subtitles

Try it Free · No credit card required

Everything You Need to Caption at Scale

Multi-Engine AI

Choose from OpenAI, Deepgram, or AssemblyAI. Each engine optimized for different content types.

Smart Segmentation

Proprietary algorithm creates natural line breaks and reading-friendly subtitle cues.

Speaker Detection

Automatically identify and label different speakers in multi-person content.

Custom Glossary

Add brand names, technical terms, and proper nouns for consistently accurate transcriptions.

Subtitle Styling

Customize fonts, colors, size, and positioning for burned-in subtitles that match your brand.

Batch Processing

Upload and process multiple files at once. Ideal for agencies and teams with high volume.

Burn Subtitles Directly Into Your Video

Export MP4 files with customizable fonts, colors, and positioning. Ready to upload to YouTube, LinkedIn, Instagram, and TikTok — no extra software needed.

Try Burned-in Export
“We subtitle all our training videos with Fluen now. The line breaks and timing are really good, we barely have to adjust anything before exporting the SRT files.”
Lukas M. Dortmund, Germany
“I've tried several subtitle tools over the years and this is the first one where I don't have to go back and fix half the punctuation. Very impressed with the accuracy.”
David R. Charlotte, NC
“I upload my YouTube videos and the captions are ready in like 2 minutes. The speaker detection is suprisingly good too.”
Rachel T. San Diego, CA

Your Videos Deserve Better Subtitles.

Upload your first file free. See the quality for yourself.

Create Subtitles Now
Create Subtitles Free