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Auto Subtitle Generator vs CorridorKey 2.0

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

Auto Subtitle Generator compared with CorridorKey 2.0
DetailAuto Subtitle Generator logo Auto Subtitle GeneratorCorridorKey 2.0 logo CorridorKey 2.0
What it doesAdd captions to videos without watermarks, with word-level timing and styling Neural green and blue screen keying that rebuilds hair, motion blur, defocus and glass into clean linear alpha
StageNot given MVP
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Paid
PricingFree: 3 video projects per month, 1080p output, up to 10 minutes, no watermark. Starter: $7/month or $60/year (annual saves 29%), 200 MP4 exports per month, 4K output, up to 120 minutes. Personal: $58.91 one time (beta pricing, regular $117.81 from November 21). Studio: $42.50 per seat (founder pricing, back to $85.00 on November 21) for 5 to 24 seats, 25+ negotiated. Prices include VAT and are auto-adjusted for region. One-time purchase with 14-day money-back guarantee.
Key features
  • AI transcription - automatic speech-to-text with word-level timing
  • Editable captions - correct transcript text before export
  • Live preview - style captions directly on footage in real time
  • Caption styling - typography, emphasis, size, color and position
  • Multiple export formats - MP4, SRT, VTT, or TXT
  • Watermark-free output on all plans
  • Animated captions - word-aware and phrase-level caption motion
  • No account required to start - upload and style as a guest
  • One-click keying for most shots
  • Time awareness to eliminate flicker and chattering
  • AlphaHint artistic control via mask images or video
  • Native 4K and higher resolution support
  • HDR support and floating point color depth
  • Works on any color background
  • Standalone app for bulk processing
  • Available for DaVinci Resolve, Nuke, After Effects, Premiere Pro and Blender
  • Predicts transparent foreground colors intelligently
What makes it different
  • No watermark on free plan - finished 1080p export ready to publish
  • No account needed to start - try the full workflow before signing in
  • Word-level caption timing - edit individual word placement and timing
  • Four subtitle export formats - flexibility for different platforms
  • Live caption editing against real footage - no waiting for re-renders
  • Solves the un-mixing problem that other keying tools cannot
  • One purchase covers every major VFX software without subscription
  • Production-tested and used internally at Corridor Digital for 400+ VFX shots
  • Time-aware analysis eliminates flicker and preserves fine details like hair
Community votes00
DR (Domain Rating by Ahrefs)11 +1 (up) since last check26 −1 (down) since last check
Trust Flow (Majestic)313
Citation Flow (Majestic)2511
Referring domains (Majestic)147

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