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source-lm vs Claude Monitor

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 Claude Monitor
Detailsource-lm logo source-lmClaude Monitor logo Claude Monitor
What it doesChrome extension to bulk-add sources to NotebookLM from JSON exports, YouTube, and web pages Free browser extension that tracks Claude usage limits live in your toolbar
StageNot given Startup
FoundedNot given 2026
Based inES Not given
Pricing modelPaid Open source
PricingFree plan: 5 bulk actions per month, single sources always free. Pro licence: $29 one time, unlimited bulk runs. Free. Optional paid add-on Claude Monitor Pro on waitlist. Windows app UsagePeek AI: $9.99 one-time purchase (Microsoft Store) with 7-day free trial.
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
  • Color-coded badge in toolbar showing usage percentage
  • Live countdown to every limit reset
  • Desktop notifications at 80% and 95% usage thresholds
  • Optional bar above Claude.ai chat box displaying limits
  • Tracks 5-hour session, weekly, and per-model usage limits
  • Displays extra-usage credits and Claude Code routine runs
  • Four layout options: Classic, Mixed, Grid, List
  • Six color themes for customization
  • Auto-refresh at customizable intervals
  • Detects Pro, Max, and Team plan types automatically
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 on Claude Free plan where usage page shows nothing since August 2026
  • Minimal permissions and read-only design prevents exploitation
  • Shows exact reset times instead of cutting off mid-conversation
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 check13 no change since last check
Trust Flow (Majestic)184
Citation Flow (Majestic)1516
Referring domains (Majestic)2419

5 details filled in for both companies.

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