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OpenImmersive Translator vs Content SEO Check

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

OpenImmersive Translator compared with Content SEO Check
DetailOpenImmersive Translator logo OpenImmersive TranslatorContent SEO Check logo Content SEO Check
What it doesFree, open-source browser extension for side-by-side translation on any webpage in 199 languages See your page's SEO structure in one click
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: 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. Not given
Key features
  • 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
  • Analyze headings (H1–H6) with structure warnings
  • Internal link checker with anchor text and destination URLs
  • External link audit with rel attributes
  • In-content link analysis with word count
  • Clean Markdown export with filtered content
What makes it different
  • 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
  • No account or login required
  • Completely free to download and use
  • Analyzes locally without sending data externally
  • Five focused tools in one lightweight extension
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)Not checked yet no change since last check45 no change since last check
Trust Flow (Majestic)217
Citation Flow (Majestic)1231
Referring domains (Majestic)1161

4 details filled in for both companies.

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