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source-lm vs AutoDub

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

source-lm compared with AutoDub
Detailsource-lm logo source-lmAutoDub logo AutoDub
What it doesChrome extension to bulk-add sources to NotebookLM from JSON exports, YouTube, and web pages AI browser extension that translates and dubs YouTube videos into your language with bilingual subtitles
StageNot given Not given
FoundedNot given Not given
Based inES Not given
Pricing modelPaid Free
PricingFree plan: 5 bulk actions per month, single sources always free. Pro licence: $29 one time, unlimited bulk runs. Free with no daily limits or usage restrictions
Key features
  • Split JSON exports into Markdown files with 400,000-word budget
  • Filter sources, detect duplicates, and batch delete
  • Incremental uploads skip already-added content
  • No account or login required
  • Source-available code published unminified
  • No data written to disk or stored on servers
  • Supports Telegram Desktop and Telegram for macOS exports
  • Automatic language detection for source videos
  • 42 languages supported for dubbing
  • Natural, lifelike AI neural voices
  • Bilingual subtitles display
  • Minimal impact on video playback speed
  • Works on Chrome, Edge, Brave and Firefox browsers
  • No account or sign-in required
  • Background processing with fast translation
  • Results cached per video for efficiency
What makes it different
  • No backend or recurring costs: pay once, keep the licence forever
  • Runs entirely in your browser with no account or login needed
  • Smart splitting keeps records whole and avoids duplicates on re-runs
  • Source-available and unminified so you can audit the code yourself
  • Extends NotebookLM's interface with bulk operations and source management tools
  • One-click installation from official browser stores
  • No daily limits or usage restrictions in free version
  • Google's latest AI models for translation quality
  • 4.3 rating on Chrome Web Store with nearly 20,000 users
  • Support team responds within 24 hours
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)15 −1 (down) since last check21 no change since last check
Trust Flow (Majestic)186
Citation Flow (Majestic)1529
Referring domains (Majestic)2468

5 details filled in for both companies.

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