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Karaoke Captions vs OpenCaptions

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Karaoke Captions compared with OpenCaptions
DetailKaraoke Captions logo Karaoke CaptionsOpenCaptions logo OpenCaptions
What it doesFree word-by-word caption generator that runs in your browser with no uploads or watermarks Free, open-source video captions you control
StageNot given Startup
FoundedNot given 2026
Based inBD Not given
Pricing modelFreemium Freemium
PricingFree: unlimited videos, Classic and Lyrics styles, MP4/SRT/VTT export with no watermark. Pro: $19/year (limited-time launch price), $3.99/month, or $59 lifetime. Pro unlocks 100+ caption styles, auto emoji, smart highlights and filler-word cleanup. Free app (1080p at 30 fps), Pro one-time purchase 14.99 €, self-hosting free
Key features
  • Word-by-word caption timing: each word gets its own start and end time, grouped into short captions
  • 100+ caption styles including Classic, Lyrics, Glide, Neon, Sing-Along, and more
  • On-device transcription using OpenAI's Whisper model with no server uploads
  • Export as MP4, SRT and VTT subtitle files
  • Pro: Auto emoji feature that matches captions to 350+ keywords
  • Pro: Smart highlights to emphasize key words in each caption
  • Pro: Filler-word cleanup to hide "um", "uh" and "hmm"
  • Import custom SRT subtitles and apply caption styles
  • Lyric video mode with words timed to vocal instead of speech
  • Transcription with Whisper, Parakeet, or Apple Speech
  • Word-by-word animated captions
  • Caption styling and correction
  • Export as MP4, WebM, ProRes, SRT, VTT or JSON
  • iPhone app with on-device transcription
  • Self-hosted Docker deployment
  • HTTP API for scripts and pipelines
  • Integration with Claude, Cursor and MCP clients
  • Support for 13 interface languages
  • GPU acceleration optional for faster transcription
What makes it different
  • Completely free with no watermarks for unlimited videos using Classic and Lyrics styles
  • No uploads: everything runs in your browser on your own device, keeping your video private
  • Works offline after initial load, with speech model cached locally on your device
  • Exports finished MP4 videos with burned-in captions, not just subtitle files
  • Low price for Pro: $19/year launch offer is far cheaper than competitors like Submagic and VEED
  • Open source with Rust engine shared across browser, app and server
  • No uploads: iPhone app transcribes on device, self-hosted keeps videos local
  • Free with one-time Pro purchase, no subscription required
  • Run on your own server with Docker, no dependency on external services
  • Agent integration for video captioning from Claude and other AI tools
Community votes00
DR (Domain Rating by Ahrefs)12 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)230
Referring domains (Majestic)90

5 details filled in for both companies.

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