Merge VCF Files Online

Combine unlimited vCard files in seconds, remove duplicates with smart or relaxed matching, and export polished contact lists without uploading a single byte.

  • Zero-upload privacy — Contacts never leave your browser and the tool can be saved offline for air-gapped reviews.
  • Live data QA — Duplicate clusters and coverage metrics surface quality issues before you export or sync.
  • Share-ready exports — CSV, VCF, clipboard copy, and permalink snapshots plug straight into CRM and compliance workflows.

Upload & configure

Drop your VCF files or browse to load them instantly. Processing happens locally for private, offline-friendly merges.

Drop VCF files or click to browse Supports .vcf, vCard 2.1/3.0/4.0 · Nothing is uploaded to a server
Smart deduplication
Output preferences
Upload your first VCF file to activate the merger.
Total contacts 0
Unique after merge 0
Duplicates removed 0
Source files 0
Email coverage 0%
Phone coverage 0%

Preview & export

Top contacts

Name Email Phone From
Merged contacts will appear here after processing.

Duplicate clusters

No duplicate clusters detected yet.

About This VCF Merger

We benchmarked the most popular “merge VCF files” tools across blogs, community threads, and marketplaces. The results showed slow upload workflows, feature paywalls, and confusing interfaces made for desktops only. This version is engineered to outrun them on every front. Everything runs in your browser, so contact data never leaves your device and the page works even when saved offline. You also get features competitors miss: relaxed name matching for near-duplicate leads, conflict strategies that favor the richest data, instant CSV conversion, real-time email and phone coverage gauges, sample datasets for onboarding teammates, and permalink snapshots for audit trails. The interface mirrors the balance of Kadence WordPress themes—crisp typography, gentle gradients, rounded surfaces, and micro-interactions that make bulk data work approachable on phones, tablets, and widescreen desktops alike.

How to Use the Merger

  1. Drop one or more .vcf files into the uploader or tap the browse area to choose them from local storage.
  2. Decide which deduplication rules to apply—exact name, email, phone, and optional relaxed matching for slight typos.
  3. Pick your export format, sorting order, and conflict priority so downstream CRMs import the fields you care about most.
  4. Hit “Merge contacts” to combine the cards instantly, then skim the preview table and duplicate clusters for QA.
  5. Download the polished VCF, export a campaign-ready CSV, copy the file to your clipboard, or share a permalink snapshot.

Pro Tips for Cleaner Contact Lists

  • Enable relaxed matching when consolidating sales reps’ address books—spelling variations collapse into a single, enriched profile.
  • Use the “Richest field content” priority for conference imports; it keeps the most descriptive job titles and notes on top.
  • Export CSV right after merging, then undo dedupe toggles to compare before-and-after counts for compliance reporting.
  • Hand teammates the sample VCF so they can practice the workflow without touching live customer data.
  • Watch the coverage percentages to confirm critical emails and phones are present before triggering campaigns or syncs.

Frequently Asked Questions

Is my contact data uploaded or stored on your servers?

No. Every calculation happens locally in your browser using vanilla JavaScript. You can even save this page offline and the merger still works.

Which vCard versions do you support?

The parser handles vCard 2.1, 3.0, and 4.0 files. You can export in 3.0 or 4.0 format depending on what your CRM expects.

What makes this merger faster than other VCF tools?

The lightweight parser avoids uploads, dedupes contacts with adjustable rules, outputs CSV and VCF simultaneously, and stores shareable states in the URL—no server round-trips or gated features.

 

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