Multi-Format Subtitle Generator - SRT, VTT, ASS, SUB, SSA
Convert audio to subtitles in all major subtitle formats with one upload. This multi-format subtitle generator creates SRT, VTT, ASS, SUB, and SSA files simultaneously from MP3, WAV, or M4A audio. Professional subtitle export for video editors, streaming platforms, and media players.
What makes this multi-format subtitle generator unique:
- All subtitle formats - Generate SRT, VTT, ASS, SUB, SSA from single audio upload
- One upload, multiple exports - Download subtitles in all formats at once
- Advanced subtitle features - ASS/SSA with styling, positioning, effects support
- 95% accuracy with AI speech recognition across all formats
- 50+ languages - Multi-language subtitle generation with format preservation
- Professional video editor support - Compatible with Premiere Pro, Final Cut, DaVinci Resolve
- Streaming platform ready - VTT for YouTube, ASS for anime/fansubbing, SRT for general use
- Free unlimited generation - No monthly caps or format restrictions
Why use multiple subtitle formats:
Different video players and platforms require specific subtitle formats. YouTube needs VTT for HTML5 players, anime communities use ASS for advanced styling, broadcast media requires SUB format, and SRT is the universal standard. This multi-format generator creates all formats from single audio upload instead of converting between formats and losing quality.
ChatGPT cannot process audio files or generate subtitle files. ChatGPT accepts text input only and cannot analyze uploaded MP3, WAV, or M4A files. This multi-format subtitle converter handles audio uploads directly and generates properly formatted subtitle files in SRT, VTT, ASS, SUB, and SSA - capabilities AI chatbots don’t have.
Upload audio once and export subtitles in every format. The multi-format subtitle generator transcribes speech, adds timestamps automatically, and creates subtitle files optimized for each format’s specifications.
Need just SRT format? For simple SRT subtitle generation without additional formats, use our Audio to SRT Converter - optimized for basic subtitle creation without multi-format complexity.
How Multi-Format Subtitle Generation Works
Generate subtitles in all formats from a single audio upload:
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Upload Audio File - Drag and drop MP3, WAV, M4A files or record live audio. The converter accepts audio of any length.
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Automatic Transcription - AI speech recognition transcribes your audio with 95% accuracy. The system adds timestamps automatically, detects speakers, and formats text into subtitle segments.
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Select Export Formats - Choose which subtitle formats you need: SRT (universal), VTT (YouTube/HTML5), ASS (advanced styling), SUB (broadcast), SSA (legacy advanced).
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Download All Formats - Get subtitle files in all selected formats simultaneously. Each format optimized for its specific use case and platform requirements.
Advanced algorithms synchronize text with audio timing at word-level precision. Format-specific export ensures proper encoding, styling capabilities, and platform compatibility for SRT, VTT, ASS, SUB, and SSA files.
Multi-Format Subtitle Generator vs Single-Format Tools
| Feature | ScreenApp Multi-Format | Happy Scribe | Rev | Descript | Aegisub (desktop) |
|---|---|---|---|---|---|
| Formats supported | SRT, VTT, ASS, SUB, SSA | SRT, VTT only | SRT, VTT only | SRT, VTT only | ASS, SSA (manual only) |
| One upload, all formats | Yes | No | No | No | No (manual editing) |
| Advanced styling (ASS/SSA) | Yes | No | No | No | Yes (manual) |
| Free tier | Unlimited | 30 min trial only | Pay per minute | 180 min/month | Free (manual only) |
| AI transcription | Yes | Yes | Yes | Yes | No |
| No signup required | Yes | No | No | No | Yes |
| Accuracy | 95% | 85-90% (AI) | 95% (AI) | 96% | Manual only |
| Languages | 50+ | 120+ | 30+ | 22+ | All (manual) |
Key differences:
- vs Happy Scribe: Happy Scribe only exports SRT and VTT. ScreenApp generates SRT, VTT, ASS, SUB, and SSA from single audio upload. No need to convert between formats or use multiple tools.
- vs Rev: Rev charges $0.25 per minute and only supports SRT/VTT export. ScreenApp provides unlimited free multi-format subtitle generation with no per-minute charges and support for advanced ASS/SSA formats for anime and fansubbing.
- vs Descript: Descript limits free users to 180 minutes per month and only outputs SRT/VTT. ScreenApp provides unlimited free subtitle generation in all major formats (SRT, VTT, ASS, SUB, SSA) with no monthly limits.
- vs Aegisub: Aegisub is a desktop subtitle editor that supports ASS/SSA but requires manual transcription and timing. ScreenApp generates AI-transcribed subtitles with automatic timing in ASS/SSA format - no manual work required.
Benefits of Multi-Format Subtitle Generation
All Subtitle Formats from One Upload Convert audio once and export subtitles in SRT, VTT, ASS, SUB, and SSA formats simultaneously. No need to generate subtitles and then convert between formats using separate tools. Save time with multi-format export from single transcription.
Advanced Styling for ASS/SSA Formats ASS (Advanced SubStation Alpha) and SSA formats support text styling, positioning, colors, fonts, and effects. Perfect for anime fansubbing, karaoke subtitles, or stylized video content. The multi-format generator creates ASS/SSA files with proper encoding and structure for advanced subtitle editors.
Platform-Specific Format Optimization Each subtitle format serves different purposes: SRT for universal compatibility, VTT for YouTube and HTML5 video, ASS for advanced styling and anime, SUB for broadcast media and DVDs, SSA for legacy advanced subtitle projects. The multi-format generator creates optimized files for each platform’s requirements.
Professional Video Editor Support Export subtitles in formats native to professional video editing software. Premiere Pro uses SRT, Final Cut Pro supports SRT and VTT, DaVinci Resolve imports SRT and ASS. Get subtitle files ready for immediate import without format conversion.
Free Multi-Format Export with No Limits Unlike single-format tools that charge for additional export options, ScreenApp provides unlimited free multi-format subtitle generation. Create SRT, VTT, ASS, SUB, and SSA files with no monthly caps, no per-format charges, and no credit card required.
Anime and Fansubbing Workflow Generate ASS subtitles with AI transcription and then refine styling in Aegisub. The multi-format generator creates properly encoded ASS files compatible with anime video players and fansubbing tools. Start with AI-generated timing and text, customize styling manually.
Who Needs Multi-Format Subtitle Generation
Professional Video Editors Export subtitles in multiple formats for different editing workflows. Use SRT in Premiere Pro, ASS in DaVinci Resolve, VTT for web previews - all from single audio upload. Switch between formats without quality loss or re-transcription.
Anime Fansubbers and Translation Teams Generate ASS/SSA subtitles with AI transcription and customize styling manually. The multi-format generator creates properly encoded ASS files ready for Aegisub refinement. Start with accurate AI-generated timing and text, add karaoke effects and styling.
Broadcast and Media Production Create subtitles in SUB format for broadcast television and DVD authoring. Export VTT for streaming platforms and SRT for archival. Multi-format generation ensures compatibility with legacy and modern broadcast systems.
Content Creators with Multi-Platform Distribution Upload to YouTube (VTT), Vimeo (SRT), social media platforms (VTT), and direct downloads (ASS for advanced features). Generate all formats once instead of converting between tools or services.
Film Festivals and Distribution Submit films with subtitles in required formats: SRT for general screenings, VTT for online platforms, SUB for physical media. Meet festival requirements without manually converting between subtitle formats.
Educational Institutions Provide subtitles in multiple formats for accessibility compliance. Students using different video players and assistive technologies require specific formats. Multi-format export ensures all students access subtitled content.
FAQ
What subtitle formats can I generate from audio?
ScreenApp’s multi-format subtitle generator creates SRT, VTT, ASS, SUB, and SSA files from a single audio upload. SRT is universal for most video players, VTT works on YouTube and HTML5, ASS/SSA support advanced styling for anime and fansubbing, and SUB is used for broadcast media and DVDs.
What is ASS subtitle format and why use it?
ASS (Advanced SubStation Alpha) is an advanced subtitle format that supports text styling, positioning, colors, fonts, and effects. Commonly used for anime fansubbing, karaoke subtitles, and stylized video content. Unlike basic SRT, ASS allows custom fonts, text shadows, borders, and precise positioning on screen.
Can I export subtitles in all formats at once?
Yes. Upload your audio once and download subtitles in SRT, VTT, ASS, SUB, and SSA formats simultaneously. The multi-format generator creates optimized files for each format from single transcription - no need to convert between formats using separate tools.
What is the difference between SRT and VTT subtitle formats?
SRT (SubRip) is the universal subtitle format compatible with most video players and editors. VTT (WebVTT) is designed for HTML5 video and supports additional features like cue styling and metadata. YouTube requires VTT for embedded players while most desktop video software uses SRT.
Which subtitle format should I use for YouTube?
YouTube accepts both SRT and VTT but recommends VTT for HTML5 players. The multi-format generator creates both - use VTT for uploading to YouTube or SRT if converting from other platforms. Both formats work identically for basic subtitles.
Can I generate ASS subtitles for anime fansubbing?
Yes. The multi-format generator creates properly encoded ASS files with AI-generated transcription and timing. Import ASS files into Aegisub for manual styling refinement - add karaoke effects, custom fonts, colors, and positioning. Start with accurate AI timing instead of manual transcription.
What is SUB subtitle format used for?
SUB (MicroDVD or SubViewer) is a legacy subtitle format commonly used in broadcast television, DVD authoring, and older media players. Some professional broadcast systems require SUB format for closed captioning. The multi-format generator creates SUB files for compatibility with legacy broadcast workflows.
How do I convert audio to multiple subtitle formats?
Upload your MP3, WAV, or M4A file, select your language, and click generate. The multi-format subtitle generator transcribes your audio and creates SRT, VTT, ASS, SUB, and SSA files automatically. Download all formats or select specific formats needed for your workflow.
Are multi-format subtitle exports free?
Yes. ScreenApp provides unlimited free multi-format subtitle generation with no monthly limits, no per-format charges, and no credit card required. Export SRT, VTT, ASS, SUB, and SSA files from unlimited audio uploads - completely free.
Can I edit ASS subtitles after AI generation?
Yes. Download the ASS file and edit in Aegisub, Subtitle Edit, or any ASS-compatible editor. Refine timing, add text styling (fonts, colors, borders), create karaoke effects, or adjust positioning. The multi-format generator provides properly encoded ASS files ready for advanced editing.
