AI Subtitle Generator
AI Subtitle Generator — SRT, VTT & TXT in Minutes
Generate broadcast-quality subtitles from any video with industry-leading accuracy. CreatorX AI transcribes 60+ languages, detects speakers, translates on demand, and exports clean SRT / VTT / TXT files ready for YouTube, Vimeo, Premiere Pro, DaVinci Resolve and every major editor.
Key features
SRT, VTT & TXT export
Standard-compliant files that work with YouTube Studio, Vimeo, Facebook, LinkedIn and every professional editor.
60+ languages
Auto-detect source language or force a specific one. Translate to any target language in one click.
Speaker detection
Automatically label Speaker 1, Speaker 2, etc. Rename speakers globally with a single edit.
Inline editing
Fix words, adjust timing, merge or split lines directly in the timeline. No download-edit-reupload loop.
Custom vocabulary
Teach the AI your brand names, product names and jargon so they're transcribed correctly every time.
Batch processing
Queue multiple videos and process them in parallel. Perfect for podcasts, courses and interview series.
Why subtitles matter for reach and accessibility
Subtitles are no longer optional. They increase watch time, expand reach to non-native speakers, satisfy accessibility requirements (WCAG 2.1, ADA, EU Accessibility Act), and unlock silent-autoplay traffic on every social platform. YouTube's own data shows videos with accurate subtitles get up to 12% more views and rank higher in search because the transcript is indexed.
The bottleneck has always been production. Human transcription costs $1–$3 per minute and takes 24–48 hours. Free auto-captions from YouTube are only ~70% accurate on real-world audio. CreatorX AI closes that gap — 95%+ accuracy, delivered in the time it takes to make coffee.
Built for professional workflows
Podcasters: Export a full transcript alongside your audio, then repurpose it into blog posts, LinkedIn carousels and Twitter threads.
Course creators: Add subtitles to lesson videos so students can search, skim and re-read. Boosts course completion rates by 20–40%.
Documentary and film: Broadcast-quality timing with reading-speed control (CPS) and two-line wrapping. SDH (subtitles for the deaf and hard-of-hearing) mode includes sound cues.
Corporate video: Compliance with accessibility law. Speaker labels for panels and interviews. Custom vocabulary for brand and product names.
SRT vs VTT vs TXT — which do you need?
SRT (SubRip): The universal format. Works everywhere. Use this if you're uploading to YouTube, importing into Premiere Pro / DaVinci Resolve / Final Cut, or handing off to a video editor.
VTT (WebVTT): The web-native format with styling support. Use this for HTML5 video players, Vimeo and any browser-based playback.
TXT: Plain transcript, no timestamps. Perfect for repurposing content into articles, show notes, LinkedIn posts or feeding into another AI tool.
CreatorX AI exports all three from the same session — no rework.
Frequently asked questions
What is an AI subtitle generator?
It transcribes speech in a video into time-coded subtitle files (SRT/VTT) using AI. CreatorX AI adds speaker detection, translation and inline editing so you can ship broadcast-quality subtitles in minutes.
What's the difference between subtitles and captions?
Subtitles assume the viewer can hear, so they only transcribe dialogue. Captions include sound cues (music, laughter) for deaf and hard-of-hearing viewers. CreatorX AI generates both — pick the mode when you export.
Can I upload SRT files to YouTube?
Yes. Our SRT export is a standard-compliant file that YouTube Studio, Vimeo, Facebook and every professional editor accepts. Just upload it under the Subtitles/CC tab of your video.
Does it detect multiple speakers?
Yes — with speaker detection enabled (powered by ElevenLabs), subtitles are labeled Speaker 1, Speaker 2, etc. You can rename each speaker with a single click.
Can I translate subtitles?
Yes. Generate the source language first, then translate to any of 60+ target languages with one click.
What's the file size limit?
500 MB per upload on all plans. That's roughly 60 minutes of 1080p video or 10+ hours of audio-only content.
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