Professional AI transcription & multilingual subtitles
EU-hosted platform for AI-powered transcription, subtitling, and translation. Netflix-compliant formatting with speaker detection. Upload your content, get professional results in 99+ languages.
Professional features for perfect results
Advanced speech intelligence, professional editing tools, and industry-standard compliance. Everything you need for commercial-grade transcription and subtitling.
Speech Intelligence
Advanced diarization, word timestamps, confidence scores, language detection, profanity filtering, and custom dictionary support for professional accuracy.
Subtitle Editing
Inline editor with styling presets, line-break and CPS guidance, perfect sync with video playback for precise timing adjustments.
Netflix Compliance
Professional subtitle formatting that meets Netflix's industry-standard guidelines for commercial-grade content distribution.
Multi-Format Export
Export to SRT, VTT, TXT, DOCX formats, plus hard-subbed video renders in HD/4K resolution for immediate distribution.
File Input Support
Upload mp4, mov, mkv, avi video files or mp3, aac, flac audio files. Process any content format with consistent quality.
Real-Time Processing
No waiting queues. Instant processing with immediate results and real-time video editor for seamless workflow efficiency.
Why Choose SubStudio?
The professional transcription and subtitling platform built for European businesses and content creators who demand quality, compliance, and reliability.
EU-First Platform
All data stored in EU, Full GDPR compliance built-in, No transfers to US servers
Professional Subtitling
Speaker identification, Multi-language translation, Netflix-compliant formatting, Advanced editing + QA
Instant Processing
No waiting queues, Real-time video editor, Immediate results
Transparent Pricing
No hidden fees, Clear per-minute overage, Cancel anytime
Perfect For
Whether you're creating content, training teams, or educating audiences, SubStudio delivers professional results for every use case.
Content Creators
Add subtitles to YouTube videos & podcasts for better reach and accessibility.
Businesses
Create multilingual subtitled training & marketing content for global teams.
Media Companies
Professional subtitling for commercial content with Netflix-compliant formatting.
Educators
Create accurate, accessible educational videos for diverse learning needs.
Speak Every Language
From major world languages to regional dialects, SubStudio supports comprehensive transcription and translation capabilities for global reach.
Transcription Languages
Upload your audio or video content in any of these languages for automatic transcription with speaker detection.
Translation Languages
Translate your transcribed content into any of these target languages while preserving context and meaning.
From upload to subtitles in minutes
Our intelligent pipeline handles the complexity, you get the results
Upload Your Video
Drag and drop your video file. We support all major formats and automatically extract the audio for processing.
AI Processing
Our AI transcribes, identifies speakers, and analyzes the content for quality control and potential errors.
Review & Export
Use our interactive editor to review, translate, and export professional subtitles in multiple formats.
Frequently Asked Questions
Everything you need to know about SubStudio
How accurate is the AI transcription?
Our AI transcription achieves 95%+ accuracy on clear audio. The system automatically identifies potential errors and highlights them for your review, ensuring professional-quality results.
What video formats do you support?
We support all major video formats including MP4, MOV, AVI, MKV, and more. Our platform automatically extracts audio and processes your content regardless of the original format.
How does speaker identification work?
Our AI analyzes voice patterns, pitch, and speech characteristics to automatically separate different speakers. You can then assign names to each speaker and the system learns to recognize them throughout your content.
Can I translate subtitles to multiple languages?
Yes! SubStudio supports 25+ languages including Dutch, English, German, French, Spanish, and Italian. You can create multiple language versions from a single transcription.
What export formats are available?
We support SRT, VTT, TXT, and DOCX formats. Premium and Team plans include all formats, while the free plan includes SRT export.
Is my data secure and GDPR compliant?
Absolutely. All data is processed and stored within EU borders, ensuring full GDPR compliance. We never transfer your data to US servers and maintain strict security protocols.
How long does transcription take?
Most videos are transcribed within 5-10 minutes. Processing time depends on video length and audio quality. You'll receive an email notification when your transcription is ready.
Can I edit the transcriptions?
Yes! Our interactive editor allows you to review, edit, and perfect every word while watching the video. You can also adjust timing and speaker assignments.
Still have questions? We're here to help!
Ready to transform your video content?
Join thousands of creators using SubStudio for professional subtitles and translations
20 minutes free • No credit card required • GDPR compliant