Every address book app can export a .vcf file — on iPhone: Contacts app → select all → Share → Save to Files. Drop that file below to load your book into the catalog. Nothing leaves this tab; the file is read and processed entirely in your browser.
0Contacts
0Duplicate groups
0Incomplete
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Drop a .vcf file here, or click to choose one
Loading a new file merges into what's already open — nothing is overwritten until you export.
Your catalog is kept in this browser's local storage so it survives a refresh. Nothing is uploaded anywhere. "Clear catalog" wipes it for good.
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Nothing filed twice
Load your address book from the Backup tab first.
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Every card is filled in
Load your address book from the Backup tab first.
These entries have no name and no organization, or no phone and no email — nothing to identify or reach them by.