OpenSubs vs Blacdisk

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 Blacdisk
Detail	OpenSubs	Blacdisk
What it does	Free AI subtitle generator that runs entirely in your browser	AI video editor that studies your editing style to automate content creation
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Freemium
Pricing	Free: 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).	First 1 million tokens saved free, then $0.10 per million tokens saved. No card required.
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	Analyze and copy editing style from social media accounts Search web for trending content in your niche Auto-generate videos matching your style Copy and recreate videos with unique variations Run on autopilot or manual control Download and export finished videos
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	Studies your specific editing style rather than generic templates Generates new trending content automatically in your niche Maintains brand consistency while creating variations Pay only for value generated through token savings
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	34 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	10	2
Citation Flow (Majestic)	30	15
Referring domains (Majestic)	96	5

4 details filled in for both companies.

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