Duplicate Contact Clean &Merge

Duplicate contacts build up fast — from SIM card imports, Google account syncs, WhatsApp, and phone transfers. Duplicate Contact Cleaner scans your full contact list, identifies all duplicates, and lets you merge or delete them in seconds. Everything runs locally on your device. Your contacts are never uploaded, shared, or sent anywhere. Your data stays yours. 🛡️ Features • Automatic duplicate contact detection — finds duplicates by name, phone number, or email • One-tap merge — combine duplicate entries into a single clean contact • Smart merge — keeps all phone numbers, emails, and notes from merged duplicates • Bulk delete — remove multiple duplicate contacts at once • Contact backup — export a backup before making any changes • Scan results preview — review all duplicates before deleting or merging • Works offline — no internet connection needed • Supports all Android contact accounts — Google, phone, SIM, Samsung • Lightweight — launches fast, works smoothly on older devices • No account required — open the app and start cleaning immediately 📱 Common Situations Where This Helps • After transferring contacts from an old phone • After importing contacts from a SIM card • After syncing multiple Google accounts to one device • When WhatsApp or messaging apps create duplicate entries • When the same person appears under different name formats 🔒 Privacy & Data Safety Duplicate Contact Cleaner requires access to your contact list to perform duplicate scanning — this is necessary for the app to function. All processing happens entirely on your device. No contact data is collected, stored on servers, or shared with any third party. You can review the full Data Safety disclosure on this listing. 💾 Backup Before You Delete Always use the built-in backup feature before merging or deleting contacts. The app exports a VCF backup file to your storage so you can restore contacts at any time if needed. A clean contact list means faster searches, less confusion, and a more organized phone. Start cleaning in seconds. Download Duplicate Contact Cleaner — free to use.