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source-lm vs ChatSweep

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 ChatSweep
Detailsource-lm logo source-lmChatSweep logo ChatSweep
What it doesChrome extension to bulk-add sources to NotebookLM from JSON exports, YouTube, and web pages Chrome extension to select, delete and archive ChatGPT conversations in bulk
StageNot given Not given
FoundedNot given Not given
Based inES Not given
Pricing modelPaid Freemium
PricingFree plan: 5 bulk actions per month, single sources always free. Pro licence: $29 one time, unlimited bulk runs. Free: 1 bulk delete per day, up to 10 chats per run. Pro: $19.99/year, unlimited bulk delete, no limit on chats per run, bulk archive. Lifetime: $39.90 one-time payment, includes everything in Pro plus all future updates.
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
  • Select and review loaded chats before deletion
  • Current chat protection
  • Bulk delete and bulk archive
  • Safety checks and compatibility verification
  • 26 interface languages
  • Confirmation before deletion
  • Desktop Chrome support
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
  • Works only with loaded chats, not automatically fetching entire history
  • Protects the conversation you are currently viewing
  • Stops if page controls cannot be verified instead of guessing
  • Does not read message contents or upload chat titles
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)1815
Citation Flow (Majestic)1527
Referring domains (Majestic)2426

5 details filled in for both companies.

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