AI video clipping and editing tool that turns long videos into short clips with captions, reframing, and one-click social publishing.
Vidkiller
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About Vidkiller
Vidkiller is a web-based service that automatically generates subtitles for videos and overlays them in various styles. Users upload a video file in MP4, MOV, or WebM format up to 100 MB and select from multiple caption styles such as karaoke, neon, glitch, or editorial. The tool uses speech recognition to detect spoken language and produce a transcript with word-level timestamps, ensuring accurate synchronization. After generation, users can review and edit the subtitles, adjusting text, timing, fonts, colors, and positioning before exporting. The output is a vertical video in 1080×1920 resolution, optimized for social media platforms like TikTok, Instagram Reels, and YouTube Shorts. No account creation or watermark is added to the final video.
Key features
- Auto-detects spoken language
- 15+ caption templates
- Word-level timestamp accuracy
- Customizable font, size, position, and colors
- Vertical video output for social media
- No watermark on exports
- Supports 60+ languages
- Real-time subtitle preview
Use cases
- Adding subtitles to social media videos
- Creating karaoke-style captions
- Generating stylized subtitles for short-form content
Pros
- No watermark on exported videos
- No account signup required
- Supports multiple caption styles and languages
- Allows subtitle editing before export
- Vertical video output optimized for social media
Cons
- Video duration limited to 61 seconds
- Maximum file size of 100 MB
- Requires upload of video file
- Limited to vertical 1080×1920 output format
Frequently asked questions about Vidkiller
What video file formats does Vidkiller support?
Vidkiller supports MP4, MOV, and WebM video formats for upload.
Is there a limit to the video duration I can process?
Free subtitle videos can be up to 61 seconds long, which is suitable for short-form content on platforms like TikTok, Instagram Reels, and YouTube Shorts.
Does Vidkiller add a watermark to the exported video?
No, Vidkiller does not add a watermark to the final exported video.
Do I need to create an account to use Vidkiller?
No account creation is required to upload a video and generate subtitles.
Can I edit the subtitles after they are generated?
Yes, users can review and edit the subtitles, including adjusting text, timing, fonts, colors, and positioning before exporting.
What languages does Vidkiller support for auto-detecting speech?
Vidkiller supports a wide range of languages, including English, Spanish, Hindi, French, German, Portuguese, Japanese, and many others.
