subtitle.im vs OpenImmersive Translator

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

subtitle.im compared with OpenImmersive Translator
Detail	subtitle.im	OpenImmersive Translator
What it does	YouTube captions, on when needed, off when they get in the way.	Free, open-source browser extension for side-by-side translation on any webpage in 199 languages
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: $0, no sign-up needed, 10 successfully handled videos in total with no monthly reset. Pro subscription: $17.99 / year, billed annually. Pro Lifetime: $29.99 / once, pay once for ongoing maintenance and all major and minor updates.	Free: Fast tier up to 5,000 characters per request with no account, 100 welcome credits on signup, 3 PDF document pages per day free preview. Plus: $8/month billed yearly (50% off $16/month), 1,600 credits/month, 10 format-preserving document pages every 10 days, up to 30,000 characters per request.
Key features	Automatic caption control - follow YouTube, auto-open, or auto-close Local OCR detects burned-in subtitles Handle duplicate captions with separate settings Manage different languages in captions Channel-specific caption rules (Pro) Video-specific rules (Pro) Remember confirmed caption closures (Pro) Restore captions if hidden by mistake Privacy-first local processing	Side-by-side translation on web pages Supports 199 languages Works on Chrome, Firefox and Edge Free translation engines with no account required Translation-only viewing mode Hover translation for individual paragraphs Selection and popup translation Input box translation Document translation with layout preservation Optional AI tiers with credit system
What makes it different	All processing happens locally in your browser with no video frames uploaded Automatically detect burned-in subtitles and handle them separately from YouTube captions Set caption preferences at global, channel, or video level Free to try with 10 videos before upgrading No email or account required for free use	Open-source code licensed under AGPL-3.0 that anyone can inspect Data stays in browser with free engines; no server intermediary Independent project with no connection to Immersive Translate Free core translation engine needs no sign-up or account Optional local masking hides sensitive data before transmission
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)	31 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	15	2
Citation Flow (Majestic)	24	12
Referring domains (Majestic)	36	1

5 details filled in for both companies.

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