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source-lm vs PixLasso

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 PixLasso
Detailsource-lm logo source-lmPixLasso logo PixLasso
What it doesChrome extension to bulk-add sources to NotebookLM from JSON exports, YouTube, and web pages Bulk image downloader for Chrome and Edge that converts WebP and AVIF to JPG or PNG
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: unlimited downloads with 30 images per batch limit. Pro: $9.99 one-time (launch price until Dec 31, 2026), then $14.99
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
  • Download all images from a webpage as full-size originals
  • Batch download from multiple open tabs
  • Convert WebP and AVIF to JPG or PNG
  • Save images in single ZIP file
  • Deep scan to load lazy images before downloading
  • Custom filename patterns with domain, title, size and date (Pro)
  • Resize images with max size cap 800-2000 px (Pro)
  • Add square white padding for marketplace listings (Pro)
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
  • No ads, no tracking, no analytics, and no remote code execution
  • Works across multiple open tabs in one click
  • One-time purchase with no subscription required
  • Finds and downloads full-size originals instead of thumbnails
  • Automatic WebP/AVIF to real JPG/PNG conversion on your computer
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 check1 +1 (up) since last check
Trust Flow (Majestic)180
Citation Flow (Majestic)150
Referring domains (Majestic)240

5 details filled in for both companies.

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