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OpenSubs vs KuvStudio

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

OpenSubs compared with KuvStudio
DetailOpenSubs logo OpenSubsKuvStudio logo KuvStudio
What it doesFree AI subtitle generator that runs entirely in your browser AI product photo generator for ecommerce that turns one product image into listing-ready visuals for every selling channel
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelNot given Freemium
PricingFree: transcription, translation on-device, all 12 subtitle styles, word-by-word highlighting, trimming, burning into video, and all export formats. Credits: $5 for 1,000 credits for cloud translation (approximately 1 credit per 30 subtitle lines). Pro: $14.50/month (8,000 AI credits, 1,000 exports), Max: $39.50/month (25,000 AI credits, 3,000 exports), Ultra: $149.50/month (150,000 AI credits, 10,000 exports), Enterprise: Custom pricing. Annual plans save 50%. Black Friday: up to 50% off annual plans plus 20% extra with code BLACKFRIDAY.
Key features
  • Speech recognition in the browser using Whisper
  • Translation to 20 languages including Chinese, Japanese, Korean, Spanish, Portuguese, French, German, Italian, Russian, Arabic, Hindi, Indonesian, Thai, Vietnamese, Turkish, Polish, Dutch and Ukrainia
  • Burn subtitles into MP4 without watermark
  • Export to SRT, VTT, ASS and TXT formats
  • Live subtitles over video playing in browser tabs via extension
  • Support for multiple video formats including MP4, MOV, WebM and MKV
  • No server processing—all work runs locally on user's machine
  • AI Product Image Generator - turn one product image into listing-ready ecommerce photos
  • Background Remover - remove product backgrounds before creating full image sets
  • White Background - create clean marketplace-ready product images
  • Product Video - generate short product videos from approved product images
  • Ghost mannequin photos - 3D hollow invisible apparel cutouts with collar continuity
  • Batch editing at catalog scale from web app or API
  • Channel presets for Shopify, Amazon, Etsy and social platforms
  • Product background generator - create studio and lifestyle scenes around your product
  • Team project library and reusable assets
  • Catalog automation for repeatable production
What makes it different
  • 100% browser-based with no uploads—the video never leaves your machine
  • Completely open source under AGPL-3.0-or-later so you can verify the code
  • Free forever for transcription, styling and burning—pay only for optional cloud translation
  • No watermark, no file-size limit, no queue, and no account needed to try
  • One source photo becomes marketplace-ready visuals for all channels without rebuilding the creative process
  • 100% royalty-free commercial rights for Amazon, Shopify, Etsy, TikTok Shop and paid ads
  • Production cost reduction - approximately $0.14-$0.18 per 4K photo, cutting photography cost by 95%
  • SOC 2 ready and GDPR-minded infrastructure for enterprise teams
  • 1-Click cancellation anytime with zero hassle or support tickets
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)34 −1 (down) since last check15 −1 (down) since last check
Trust Flow (Majestic)107
Citation Flow (Majestic)3020
Referring domains (Majestic)9628

4 details filled in for both companies.

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