Clean, compare, and organize your lead lists in Google Sheets™ before skip tracing. Save time, save money, and work smarter with full automation.
Listing updated:January 8, 2026
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Overview
How it works:
* Import your old and new lists directly into GoSiftly inside Google Sheets™
* Automatically filter out duplicates between lists
* Run The Import Detective to catch deeper duplicates across all past imports not just list-to-list comparisons
* Instantly flag portfolio owners (the same owner with multiple properties), including newly detected multi-property owners across imports
* Export cleaned data or portfolio reports with a single click

Users access GoSiftly directly from the Extensions menu in Google Sheets™.
A guided workspace setup is provided after installation to ensure a consistent, repeatable starting experience.

Why users love it:
* Saves hours of manual list-cleaning time
* Prevents paying to skip trace or market to the same lead twice
* Keeps marketing budgets focused on truly new leads
* Runs entirely inside your Google Workspace™ environment for secure, private data handling
* Simple setup, clean interface, and fast performance

All processing occurs entirely within Google Sheets™ and Google Drive™.
GoSiftly does not send user data to external servers.

GoSiftly removes the guesswork from lead management so you can focus on closing deals, not cleaning spreadsheets.

GoSiftly is a Google Workspace™ add-on. Google Workspace™, Google Sheets™, and Google Drive™ are trademarks of Google LLC.
Additional information
PricingFree of charge with paid features
Developer
Privacy policy
Terms of service
GoSiftly — Smart Lead List Cleaner will ask for the permissions shown below. Learn more
GoSiftly — Smart Lead List Cleaner will need access to your Google account
This will allow GoSiftly — Smart Lead List Cleaner to :
See, edit, create, and delete only the specific Google Drive files you use with this app
View and manage spreadsheets that this application has been installed in
Connect to an external service
Display and run third-party web content in prompts and sidebars inside Google applications
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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