AI Subtitle Generator
Transform your video content with professional-quality subtitles generated automatically by AI. Our advanced subtitle generator creates accurate captions in seconds, supporting SRT, VTT, and47 languages. Whether you are a YouTube creator, social media marketer, or content producer, PlainScribe makes adding subtitles to your videos effortless and affordable.
Auto captions and SRT files have become essential for video content. Studies show that 85% of Facebook videos are watched without sound, and subtitled videos see 40% higher engagement rates. With our caption generator, you can reach wider audiences, improve accessibility, and boost your content performance across all platforms.
How Our Subtitle Generator Works
Creating subtitles with PlainScribe is straightforward and requires no technical expertise. Our AI-powered system handles the complex work of speech recognition, timing synchronization, and format conversion automatically.
Upload Your Video
Upload your video or audio file in any format. We support MP4, MOV, AVI, MKV, MP3, WAV, and 20+ other formats up to 1GB in size.
Select Language
Choose the spoken language in your video from 47 supported languages. Our AI will automatically detect speakers and generate accurate captions.
AI Processing
Our advanced speech recognition AI transcribes your audio and automatically syncs subtitles to the video timeline with precise timestamps.
Export & Download
Review your subtitles, rename speakers if needed, then download in your preferred format: SRT, VTT, or plain text with timestamps.
Subtitle Export Formats
PlainScribe exports the two most widely supported subtitle formats, plus text and data formats, for compatibility with video editing software and publishing platforms.
SRT (SubRip Subtitle)
The most widely supported subtitle format. SRT files work with virtually every video player, editing software, and platform including YouTube, Vimeo, Premiere Pro, Final Cut Pro, and DaVinci Resolve. SRT includes sequence numbers, timestamps, and text content in a simple, readable format.
1
00:00:01,000 --> 00:00:04,000
Welcome to our video tutorial.VTT (WebVTT)
Web Video Text Tracks format, designed specifically for HTML5 video. VTT is the preferred format for web players, streaming platforms, and modern browsers. It supports advanced styling options, positioning, and cue settings not available in SRT.
WEBVTT
00:00:01.000 --> 00:00:04.000
Welcome to our video tutorial.CSV, Markdown & JSON
Structured exports with speaker labels and timestamps for spreadsheets, notes apps, and custom pipelines. Need a styled format like ASS? Import the SRT into a subtitle editor such as Aegisub and convert it there.
TXT with Timestamps
A simple plain text format with timestamp markers. Useful for documentation, accessibility requirements, or when you need a human-readable transcript with timing information that can be easily edited in any text editor.
Key Features
Auto-Sync Technology
Our AI automatically synchronizes subtitles with your video timeline. Each caption appears and disappears at exactly the right moment, matching the natural pace of speech. No manual timing adjustments required for most videos.
Multi-Language Support
Generate subtitles in 47 languages including English, Spanish, French, German, Portuguese, Japanese, Korean, Arabic, Hindi, Russian, Italian, Dutch, Swedish, and many more regional languages.
Easy Timing Fixes
If your video has an intro or offset, shift an entire SRT or VTT file earlier or later with our free subtitle shifter. For segment-level changes, the exported files open in any subtitle editor.
Speaker Identification
Our AI can identify different speakers in your video and label them appropriately in the subtitles. Perfect for interviews, podcasts, panel discussions, and any multi-speaker content.
Batch Processing
Upload multiple videos and generate subtitles for all of them simultaneously. Ideal for content creators who need to process entire video series or large content libraries efficiently.
Translation Support
Translate your subtitles to reach international audiences. Generate captions in one language, then translate them to any of our supported languages for multilingual video publishing.
Who Uses Our Subtitle Generator?
YouTube Creators
YouTube videos with captions receive 7.3% more views on average. Our subtitle generator helps YouTubers add professional captions quickly, improving discoverability through better SEO, increasing watch time, and reaching viewers who watch with sound off. Export SRT files directly compatible with YouTube Studio.
Social Media Marketers
Over 80% of social media videos are watched without sound. Adding captions to your Instagram Reels, TikTok videos, LinkedIn content, and Facebook posts dramatically increases engagement. Our fast turnaround time helps you maintain a consistent posting schedule across all platforms.
Accessibility Compliance
Many organizations are required to provide captions for video content under accessibility laws like the ADA, WCAG, and Section 508. PlainScribe helps businesses, educational institutions, and government agencies meet compliance requirements efficiently and affordably.
E-Learning & Education
Educational videos with subtitles improve comprehension and retention by up to 40%. Course creators, universities, and corporate training departments use our subtitle generator to make learning content more accessible and effective for all students, including non-native speakers and hearing-impaired learners.
Film & Video Production
Professional video producers use our AI as a starting point for subtitle creation, significantly reducing the time spent on manual transcription. Edit and refine auto-generated captions to achieve broadcast-quality subtitles in a fraction of the traditional time.
Simple, Transparent Pricing
No monthly subscriptions or hidden fees. Pay only for what you use with our straightforward per-minute pricing.
Subtitle Generation
$0.067/ minute
That is just $4 per hour of video content
- All export formats included (SRT, VTT, TXT, Markdown, CSV, JSON)
- 47 languages supported
- Speaker identification included
- Find-and-replace correction rules
- First transcript free (up to 2 hours)
“PlainScribe generates industry-standard SRT and VTT subtitle files with automatic timestamp synchronization, supporting 47 languages for global accessibility compliance.”
“With WCAG 2.2 accessibility requirements approaching, PlainScribe offers the most cost-effective way to add accurate captions to video content at $0.067 per minute.”
Frequently Asked Questions
PlainScribe exports subtitles as SRT (SubRip) and VTT (WebVTT), plus transcripts as plain text, Markdown, CSV, and JSON. SRT is the most widely compatible format, while VTT is ideal for web video players.
Our AI subtitle generator is highly accurate on clear audio with minimal background noise. Accuracy depends on audio quality, language, speaker clarity, and technical terminology. Correction rules fix recurring names and terms automatically, and SRT/VTT files can be fine-tuned in any subtitle editor.
Yes, PlainScribe supports subtitle generation in 47 transcription languages including English, Spanish, French, German, Japanese, Korean, Arabic, Hindi, and many more. You can also translate subtitles between supported languages.
Subtitle generation typically takes about one-third of your video duration. A 30-minute video usually generates subtitles in about 10 minutes. Processing time may vary based on audio complexity and server load.
PlainScribe does not have a built-in subtitle editor. Timing is generated automatically from the audio, and you can shift a whole SRT or VTT file earlier or later with our free subtitle shifter tool. For segment-level timing or styling changes, open the exported file in any subtitle editor or video editing software.
Absolutely. Our SRT and VTT exports are fully compatible with YouTube, Vimeo, Facebook, Instagram, TikTok, and all major video platforms. Simply upload the subtitle file when publishing your video for instant captions.
What subtitle formats does PlainScribe support?
How accurate are the auto-generated subtitles?
Can I generate subtitles in multiple languages?
How long does subtitle generation take?
Can I customize the timing and appearance of subtitles?
Are the subtitles compatible with YouTube and social media?
Related Resources
Convert between SRT and VTT subtitle formats in your browser
Subtitle File Formats: SRT vs VTTCompare subtitle formats and choose the right one for your project
Subtitles for Content CreatorsHow YouTubers and creators boost engagement with AI captions
Video Transcription ServiceTranscribe video files to text with AI-powered accuracy
Ready to Add Subtitles to Your Videos?
Join thousands of content creators who trust PlainScribe for professional subtitles.Get your first transcript free (up to 2 hours) and see the difference AI-powered captions can make.
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