Contacts Toolkit

Professional Contact Management

Organize cluttered contact lists by automatically detecting and resolving common issues. Intelligent cleaning, formatting, and deduplication for your address book.

One-time purchase

Download on the Mac App Store

macOS 15.0+ 16 Languages · 17 Localization Variants

See It in Action

A clean, intuitive interface designed to make contact management effortless.

Contacts Toolkit duplicate contact merging interface showing merged contact preview on macOS

Contacts Toolkit conflict resolution view for reviewing duplicate contacts before merging

Contacts Toolkit phone number formatting with current and proposed format comparison

Contacts Toolkit issue type filter dropdown for duplicate contacts, emails, and phone numbers

Contacts Toolkit detecting and merging nameless duplicate contacts on macOS

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New Feature

Contact Group Management

Keep your contact groups as organized as the people inside them. Contacts Toolkit can detect duplicate groups across accounts, clean up empty groups, and bulk-merge duplicates in one tap.

Duplicate group detection across accounts
Empty group cleanup with selective or bulk deletion
One-tap bulk merge for all duplicate groups, organized per account

Powerful Features

Everything you need to keep your contacts and groups clean, organized, and up to date.

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Duplicate Detection

Three-tier detection by name, email, and phone
Smart merging with preview before changes
Intelligent matching algorithms for accuracy

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International Support

Latin, CJK, Arabic, and Cyrillic name scripts
Phone-number formatting for 40 countries
16 languages through 17 localization variants, including Serbian in Latin and Cyrillic
Address formatting for 32 countries with postal code validation

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Smart Organization

Duplicate field resolution for phones, emails, URLs, and relationships
Smart issue queue: Quick Wins, Needs Attention, Review Required
Account management for iCloud, Google, and Exchange

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Safety & Control

Preview all changes before applying
Automatic local vCard snapshots before supported bulk operations
Contacts access is optional: scan Mac Contacts, import a vCard, select contacts, or use sample data
One-time purchase with no subscription

Technical Specifications

Built for macOS with privacy and performance in mind.

Platform

macOS 15.0+

Phone Formats

40 Countries

Address Formats

32 Countries

Languages

16 / 17 Variants

Privacy

No Automatic Uploads

Family Sharing

Up to 6 Members

Age Rating: 4+ · English, German, Spanish, French, Italian, Japanese, Korean, Chinese, and more

Ready to Clean Up Your Contacts?

Get Contacts Toolkit today and bring order to your address book. One-time purchase, no subscription.

Download on the Mac App Store

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